Yosemite National Park, California
Regional Weather Alerts
| Alert: | Lake Wind Advisory |
| Area(s): | West Side Mountains north of 198 |
| Effective: | 2026-05-16 @ 5:02 pm -> 2026-05-17 @ 1:15 am |
| Onset: | 2026-05-16 @ 5:02 pm -> 2026-05-18 @ 10:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Hanford CA on 2026-05-16 @ 5:02 pm |
| Headline: | Lake Wind Advisory issued May 16 at 3:02PM PDT until May 18 at 8:00AM PDT by NWS Hanford CA |
| Description: |
* WHAT...Northwest winds 20 to 30 mph with gusts up to 40 mph. * WHERE...San Luis Reservoir. * WHEN...Until 8 AM PDT Monday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. |
| Alert: | Lake Wind Advisory |
| Area(s): | Kern River Valley |
| Effective: | 2026-05-16 @ 5:02 pm -> 2026-05-17 @ 1:15 am |
| Onset: | 2026-05-16 @ 5:02 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Hanford CA on 2026-05-16 @ 5:02 pm |
| Headline: | Lake Wind Advisory issued May 16 at 3:02PM PDT until May 17 at 11:00PM PDT by NWS Hanford CA |
| Description: |
* WHAT...West winds 15 to 25 mph with gusts up to 35 mph expected. * WHERE...Kern River Valley. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. |
| Alert: | Wind Advisory |
| Area(s): | Indian Wells Valley; Mojave Desert |
| Effective: | 2026-05-16 @ 5:02 pm -> 2026-05-17 @ 1:15 am |
| Onset: | 2026-05-16 @ 5:02 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Hanford CA on 2026-05-16 @ 5:02 pm |
| Headline: | Wind Advisory issued May 16 at 3:02PM PDT until May 17 at 11:00PM PDT by NWS Hanford CA |
| Description: |
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Indian Wells Valley and Mojave Desert. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
| Alert: | High Wind Warning |
| Area(s): | Mojave Desert Slopes |
| Effective: | 2026-05-16 @ 5:02 pm -> 2026-05-17 @ 1:15 am |
| Onset: | 2026-05-16 @ 5:02 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Hanford CA on 2026-05-16 @ 5:02 pm |
| Headline: | High Wind Warning issued May 16 at 3:02PM PDT until May 17 at 11:00PM PDT by NWS Hanford CA |
| Description: |
* WHAT...Northwest winds 35 to 45 mph with gusts up to 65 mph. * WHERE...Mojave Desert Slopes. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. |
| Alert: | Air Quality Alert |
| Area(s): | Coachella Valley; San Gorgonio Pass Near Banning |
| Effective: | 2026-05-16 @ 4:48 pm -> 2026-05-18 @ 10:00 am |
| Onset: | 2026-05-16 @ 4:48 pm |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS San Diego CA on 2026-05-16 @ 4:48 pm |
| Headline: | Air Quality Alert issued May 16 at 2:48PM PDT by NWS San Diego CA |
| Description: |
* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...The Coachella Valley and San Gorgonio Pass. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...Through 8 AM Monday. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. |
| Alert: | Beach Hazards Statement |
| Area(s): | San Diego County Coastal Areas; Orange County Coastal |
| Effective: | 2026-05-16 @ 3:27 pm -> 2026-05-17 @ 12:00 am |
| Onset: | 2026-05-16 @ 8:00 pm -> 2026-05-18 @ 11:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-05-16 @ 3:27 pm |
| Headline: | Beach Hazards Statement issued May 16 at 1:27PM PDT until May 18 at 9:00AM PDT by NWS San Diego CA |
| Description: |
* WHAT...Northwest swell from 290 degrees with a period of 9 to 10 seconds will generate surf of 4 to 6 ft, with local sets to 7 ft. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Hazardous swimming conditions and minor tidal overflow. * ADDITIONAL DETAILS...High tides of 6.5 to 7 ft combined with elevated may result in minor tidal overflow for beach parking lots and boardwalks. Highest surf will be on west/northwest facing beaches. |
| Alert: | Lake Wind Advisory |
| Area(s): | Lassen-Eastern Plumas-Eastern Sierra Counties |
| Effective: | 2026-05-16 @ 2:52 pm -> 2026-05-17 @ 6:00 pm |
| Onset: | 2026-05-16 @ 4:00 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Reno NV on 2026-05-16 @ 2:52 pm |
| Headline: | Lake Wind Advisory issued May 16 at 12:52PM PDT until May 17 at 11:00PM PDT by NWS Reno NV |
| Description: |
* WHAT...North winds 10 to 20 mph with gusts up to 35 mph for Stampede Reservoir, Lake Davis, Antelope Lake, and Eagle Lake. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve. |
| Alert: | Lake Wind Advisory |
| Area(s): | Greater Lake Tahoe Area; Greater Lake Tahoe Area |
| Effective: | 2026-05-16 @ 2:52 pm -> 2026-05-17 @ 6:00 pm |
| Onset: | 2026-05-17 @ 7:00 pm -> 2026-05-18 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Reno NV on 2026-05-16 @ 2:52 pm |
| Headline: | Lake Wind Advisory issued May 16 at 12:52PM PDT until May 18 at 5:00AM PDT by NWS Reno NV |
| Description: |
* WHAT...Northeast winds 15 to 25 mph with gusts up to 45 mph and waves up to 3 feet for Lake Tahoe, Donner Lake, and Prosser and Boca reservoirs. * WHERE...Greater Lake Tahoe Area. * WHEN...From 5 PM Sunday to 5 AM PDT Monday. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve. |
| Alert: | Lake Wind Advisory |
| Area(s): | Mono |
| Effective: | 2026-05-16 @ 2:52 pm -> 2026-05-17 @ 6:00 pm |
| Onset: | 2026-05-17 @ 1:00 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Reno NV on 2026-05-16 @ 2:52 pm |
| Headline: | Lake Wind Advisory issued May 16 at 12:52PM PDT until May 17 at 11:00PM PDT by NWS Reno NV |
| Description: |
* WHAT...North winds 20 to 30 mph with gusts up to 45 mph for Topaz Lake, Bridgeport Reservoir, Mono Lake, and Crowley Lake. * WHERE...Mono County. * WHEN...From 11 AM to 11 PM PDT Sunday. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve. |
| Alert: | Beach Hazards Statement |
| Area(s): | Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast |
| Effective: | 2026-05-16 @ 2:40 pm -> 2026-05-16 @ 11:30 pm |
| Onset: | 2026-05-16 @ 5:00 pm -> 2026-05-18 @ 11:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-05-16 @ 2:40 pm |
| Headline: | Beach Hazards Statement issued May 16 at 12:40PM PDT until May 18 at 9:00AM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...Dangerous rip currents and breaking waves due to elevated surf expected. * WHERE...Santa Barbara County Southwestern Coast and Santa Barbara County Southeastern Coast. * WHEN...From 3 PM PDT this afternoon through Monday morning. * IMPACTS...There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore. * ADDITIONAL DETAILS...Minor Beach erosion and isolated minor coastal flooding is possible. Most likely during the evening high tides (7pm to 11pm) on Saturday and Sunday. |
| Alert: | High Surf Advisory |
| Area(s): | San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches |
| Effective: | 2026-05-16 @ 2:40 pm -> 2026-05-16 @ 11:30 pm |
| Onset: | 2026-05-16 @ 2:40 pm -> 2026-05-18 @ 11:00 am |
| Severity: | Minor |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-05-16 @ 2:40 pm |
| Headline: | High Surf Advisory issued May 16 at 12:40PM PDT until May 18 at 9:00AM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...Large breaking waves of 10 to 16 feet with dangerous rip currents. Largest on northwest facing beaches. * WHERE...San Luis Obispo County Beaches and Santa Barbara County Central Coast Beaches. * WHEN...Until 9 AM PDT Monday. * IMPACTS...There is an increased risk for ocean drowning. Rip currents can pull swimmers and surfers out to sea. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore. * ADDITIONAL DETAILS...Minor Beach erosion and isolated minor coastal flooding is possible. Most likely during the evening high tides (7pm to 11pm) on Saturday and Sunday. |
| Alert: | Beach Hazards Statement |
| Area(s): | Malibu Coast; Los Angeles County Beaches |
| Effective: | 2026-05-16 @ 2:40 pm -> 2026-05-16 @ 11:30 pm |
| Onset: | 2026-05-16 @ 8:00 pm -> 2026-05-18 @ 11:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-05-16 @ 2:40 pm |
| Headline: | Beach Hazards Statement issued May 16 at 12:40PM PDT until May 18 at 9:00AM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...Dangerous rip currents and breaking waves due to elevated surf expected. * WHERE...Malibu Coast and Los Angeles County Beaches. * WHEN...From 6 PM PDT this evening through Monday morning. * IMPACTS...There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore. * ADDITIONAL DETAILS...Minor Beach erosion and isolated minor coastal flooding is possible. Most likely during the evening high tides (7pm to 11pm) on Saturday and Sunday. |
| Alert: | High Surf Advisory |
| Area(s): | Ventura County Beaches |
| Effective: | 2026-05-16 @ 2:40 pm -> 2026-05-16 @ 11:30 pm |
| Onset: | 2026-05-16 @ 5:00 pm -> 2026-05-18 @ 11:00 am |
| Severity: | Minor |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-05-16 @ 2:40 pm |
| Headline: | High Surf Advisory issued May 16 at 12:40PM PDT until May 18 at 9:00AM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...Large breaking waves of 5 to 8 feet with dangerous rip currents. * WHERE...Ventura County Beaches. * WHEN...From 3 PM this afternoon to 9 AM PDT Monday. * IMPACTS...There is an increased risk for ocean drowning. Rip currents can pull swimmers and surfers out to sea. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore. * ADDITIONAL DETAILS...Minor Beach erosion and isolated minor coastal flooding is possible. Most likely during the evening high tides (7pm to 11pm) on Saturday and Sunday. |
| Alert: | Coastal Flood Advisory |
| Area(s): | North Bay Interior Valleys |
| Effective: | 2026-05-16 @ 2:15 pm -> 2026-05-17 @ 12:30 am |
| Onset: | 2026-05-17 @ 12:00 am -> 2026-05-19 @ 5:00 am |
| Severity: | Minor |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 2026-05-16 @ 2:15 pm |
| Headline: | Coastal Flood Advisory issued May 16 at 12:15PM PDT until May 19 at 3:00AM PDT by NWS San Francisco CA |
| Description: |
* WHAT...Up to 1.0 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Pablo Bay. * WHEN...From 10 PM this evening to 3 AM PDT Tuesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 0.9 ft above normal (6.76 ft MLLW) at 11:31 PM Saturday 5/16 1.0 ft above normal (6.80 ft MLLW) at 12:17 AM Monday 5/18 0.8 ft above normal (6.66 ft MLLW) at 1:07 AM Tuesday 5/19 High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively. |
| Alert: | Beach Hazards Statement |
| Area(s): | San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast |
| Effective: | 2026-05-16 @ 2:15 pm -> 2026-05-17 @ 12:30 am |
| Onset: | 2026-05-16 @ 2:15 pm -> 2026-05-18 @ 11:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 2026-05-16 @ 2:15 pm |
| Headline: | Beach Hazards Statement issued May 16 at 12:15PM PDT until May 18 at 9:00AM PDT by NWS San Francisco CA |
| Description: |
* WHAT...Strong northerly winds will generate very rough conditions at area beaches along with strong rip and longshore currents. * WHERE...Greatest impacts will be along west facing beaches of the Pacific coastline. * WHEN...Through Monday morning. * IMPACTS...Dangerous wind and wave conditions will impact beaches and water activities such as swimming, surfing, boating, and tide pooling. Rough seas can sweep up the beach and over rocks and jetties, pulling people into a cold turbulent ocean. Rip currents will be stronger than normal and long shore currents can move people and items in the water quickly away from the point of entry. Local beach and cliff erosion is possible. Water temperatures will also cool rapidly due to strong upwelling conditions during this time. Large tidal swings can cutoff access to beach walkers. |
| Alert: | Wind Advisory |
| Area(s): | San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast |
| Effective: | 2026-05-16 @ 2:06 pm -> 2026-05-17 @ 12:00 am |
| Onset: | 2026-05-16 @ 2:06 pm -> 2026-05-17 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 2026-05-16 @ 2:06 pm |
| Headline: | Wind Advisory issued May 16 at 12:06PM PDT until May 17 at 5:00AM PDT by NWS San Francisco CA |
| Description: |
* WHAT...Northwest winds 15 to 30 mph with gusts up to 45 mph expected, with local gusts up to 55 mph. * WHERE...Southern Monterey Bay and the Big Sur Coast, San Francisco, Coastal North Bay Including Point Reyes National Seashore, and San Francisco Peninsula Coast. * WHEN...Until 5 AM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Blowing and drifting sand at the beaches and coastal roads. |
| Alert: | Red Flag Warning |
| Area(s): | West Side Hills; San Joaquin Valley |
| Effective: | 2026-05-16 @ 1:46 pm -> 2026-05-16 @ 10:00 pm |
| Onset: | 2026-05-16 @ 1:46 pm -> 2026-05-18 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Hanford CA on 2026-05-16 @ 1:46 pm |
| Headline: | Red Flag Warning issued May 16 at 11:46AM PDT until May 18 at 8:00PM PDT by NWS Hanford CA |
| Description: |
* AFFECTED AREA...Fire weather zone 579 West Side Hills on the Coastal Range. Fire weather zone 580 San Joaquin Valley. * WIND...GUSTING TO 35 MPH SATURDAY AND SUNDAY. * HUMIDITY...20% OR LESS SATURDAY AND SUNDAY THEN 15% OR LESS MONDAY * HIGHEST THREAT...FAST-MOVING GRASS FIRES * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| Alert: | Red Flag Warning |
| Area(s): | Indian Wells Valley; Kern County Desert |
| Effective: | 2026-05-16 @ 1:46 pm -> 2026-05-16 @ 10:00 pm |
| Onset: | 2026-05-16 @ 1:46 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Hanford CA on 2026-05-16 @ 1:46 pm |
| Headline: | Red Flag Warning issued May 16 at 11:46AM PDT until May 17 at 11:00PM PDT by NWS Hanford CA |
| Description: |
* AFFECTED AREA...Fire weather zone 298 Indian Wells Valley. Fire weather zone 299 Kern County Desert. * WIND...FOR THE MOJAVE DESERT WEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH EXPECTED. FOR THE MOJAVE SLOPES WEST WINDS 35 TO 45 WITH GUSTS UP TO 70 MPH. * HUMIDITY...10 TO 20 PERCENT MINIMUM RELATIVE HUMIDITY. * HIGHEST THREAT...FAST-MOVING GRASS FIRES. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| Alert: | Red Flag Warning |
| Area(s): | South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro |
| Effective: | 2026-05-16 @ 1:44 pm -> 2026-05-17 @ 6:00 pm |
| Onset: | 2026-05-16 @ 1:44 pm -> 2026-05-18 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Sacramento CA on 2026-05-16 @ 1:44 pm |
| Headline: | Red Flag Warning issued May 16 at 11:44AM PDT until May 18 at 8:00PM PDT by NWS Sacramento CA |
| Description: |
* Winds...North winds 20 to 30 mph. Gusts 35 to 45 mph, locally up to 50 mph around the Delta and the western Sacramento Valley. * Humidity...Daytime minimum humidities of 7 to 15%. Overnight maximum relative humidities of 20 to 55%. * Highest Threat...Along and west of the Interstate 5 corridor in the Sacramento Valley. Strongest winds are expected tonight through Sunday. * Impacts...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity. Outdoor burning is not recommended. |
| Alert: | Wind Advisory |
| Area(s): | Salton Sea; Imperial Valley |
| Effective: | 2026-05-16 @ 1:31 pm -> 2026-05-17 @ 1:00 am |
| Onset: | 2026-05-16 @ 6:00 pm -> 2026-05-17 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Phoenix AZ on 2026-05-16 @ 1:31 pm |
| Headline: | Wind Advisory issued May 16 at 11:31AM PDT until May 16 at 11:00PM PDT by NWS Phoenix AZ |
| Description: |
* WHAT...West winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Imperial Valley and Salton Sea. * WHEN...From 4 PM this afternoon to 11 PM PDT this evening. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. |
| Alert: | Wind Advisory |
| Area(s): | Imperial County West |
| Effective: | 2026-05-16 @ 1:31 pm -> 2026-05-17 @ 1:00 am |
| Onset: | 2026-05-16 @ 6:00 pm -> 2026-05-17 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Phoenix AZ on 2026-05-16 @ 1:31 pm |
| Headline: | Wind Advisory issued May 16 at 11:31AM PDT until May 16 at 11:00PM PDT by NWS Phoenix AZ |
| Description: |
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Western Imperial County. * WHEN...From 4 PM this afternoon to 11 PM PDT this evening. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. |
| Alert: | Wind Advisory |
| Area(s): | Imperial County Southwest |
| Effective: | 2026-05-16 @ 1:31 pm -> 2026-05-17 @ 7:00 am |
| Onset: | 2026-05-16 @ 4:00 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Phoenix AZ on 2026-05-16 @ 1:31 pm |
| Headline: | Wind Advisory issued May 16 at 11:31AM PDT until May 17 at 11:00PM PDT by NWS Phoenix AZ |
| Description: |
* WHAT...Southwest winds 30 to 40 mph with gusts up to 55 to 60 mph expected. * WHERE...Southwest corner of Imperial County. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. |
| Alert: | Wind Advisory |
| Area(s): | Western Mojave Desert |
| Effective: | 2026-05-16 @ 12:30 pm -> 2026-05-17 @ 6:00 am |
| Onset: | 2026-05-16 @ 1:00 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Las Vegas NV on 2026-05-16 @ 12:30 pm |
| Headline: | Wind Advisory issued May 16 at 10:30AM PDT until May 17 at 11:00PM PDT by NWS Las Vegas NV |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 55 mph expected. A few gusts over 60 mph are possible on Sunday afternoon and evening. * WHERE...Western Mojave Desert. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
| Alert: | Wind Advisory |
| Area(s): | Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin |
| Effective: | 2026-05-16 @ 12:30 pm -> 2026-05-17 @ 6:00 am |
| Onset: | 2026-05-17 @ 4:00 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Las Vegas NV on 2026-05-16 @ 12:30 pm |
| Headline: | Wind Advisory issued May 16 at 10:30AM PDT until May 17 at 11:00PM PDT by NWS Las Vegas NV |
| Description: |
* WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected... .shifting to the northwest Sunday evening. * WHERE...Cadiz Basin, Eastern Mojave Desert, and Morongo Basin. * WHEN...From 2 PM to 11 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
| Alert: | High Wind Warning |
| Area(s): | Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; San Bernardino County-Upper Colorado River Valley; Lake Mead - NV side; Lake Mohave - NV side |
| Effective: | 2026-05-16 @ 12:30 pm -> 2026-05-17 @ 6:00 am |
| Onset: | 2026-05-17 @ 7:00 pm -> 2026-05-18 @ 1:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Las Vegas NV on 2026-05-16 @ 12:30 pm |
| Headline: | High Wind Warning issued May 16 at 10:30AM PDT until May 18 at 11:00AM PDT by NWS Las Vegas NV |
| Description: |
* WHAT...Northwest winds 25 to 35 mph with gusts between 50 and 60 mph expected. * WHERE...In Arizona, Lake Havasu and Fort Mohave, Lake Mead - AZ side, and Lake Mohave - AZ side. In California, San Bernardino County-Upper Colorado River Valley. In Nevada, Lake Mead - NV side and Lake Mohave - NV side. * WHEN...From 5 PM PDT /5 PM MST/ Sunday to 11 AM PDT /11 AM MST/ Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high-profile vehicles. |
| Alert: | High Wind Warning |
| Area(s): | Eastern Sierra Slopes of Inyo County; White Mountains of Inyo County; Death Valley National Park; Owens Valley South; Owens Valley North; Esmeralda and Central Nye County |
| Effective: | 2026-05-16 @ 12:30 pm -> 2026-05-17 @ 6:00 am |
| Onset: | 2026-05-17 @ 1:00 pm -> 2026-05-18 @ 7:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Las Vegas NV on 2026-05-16 @ 12:30 pm |
| Headline: | High Wind Warning issued May 16 at 10:30AM PDT until May 18 at 5:00AM PDT by NWS Las Vegas NV |
| Description: |
* WHAT...Northwest winds 25 to 35 mph with gusts between 50 and 60 mph. A few gusts to 70 mph are possible. * WHERE...White and Inyo Mountains, Eastern Sierra Slopes, Death Valley National Park, Owens Valley South, Owens Valley North, and Esmeralda and Central Nye County. * WHEN...From 11 AM Sunday to 5 AM PDT Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high-profile vehicles. |
| Alert: | Wind Advisory |
| Area(s): | San Gorgonio Pass Near Banning |
| Effective: | 2026-05-16 @ 11:51 am -> 2026-05-17 @ 1:00 am |
| Onset: | 2026-05-16 @ 12:00 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-05-16 @ 11:51 am |
| Headline: | Wind Advisory issued May 16 at 9:51AM PDT until May 17 at 11:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts to 65 mph, and isolated gusts up to 70 mph expected. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
| Alert: | Wind Advisory |
| Area(s): | San Bernardino County Mountains; Apple and Lucerne Valleys |
| Effective: | 2026-05-16 @ 11:51 am -> 2026-05-17 @ 1:00 am |
| Onset: | 2026-05-16 @ 1:00 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-05-16 @ 11:51 am |
| Headline: | Wind Advisory issued May 16 at 9:51AM PDT until May 17 at 11:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...West winds 25 to 35 mph with gusts to 55 mph expected. * WHERE...Apple and Lucerne Valleys and San Bernardino County Mountains. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
| Alert: | Wind Advisory |
| Area(s): | Riverside County Mountains; San Diego County Mountains; San Diego County Deserts |
| Effective: | 2026-05-16 @ 11:51 am -> 2026-05-17 @ 1:00 am |
| Onset: | 2026-05-16 @ 4:00 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-05-16 @ 11:51 am |
| Headline: | Wind Advisory issued May 16 at 9:51AM PDT until May 17 at 11:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 60 mph, and isolated gusts up to 65 mph expected. * WHERE...Riverside County Mountains, San Diego County Deserts, and San Diego County Mountains. * WHEN...From 2 PM this afternoon to 11 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
| Alert: | Red Flag Warning |
| Area(s): | Western Antelope Valley Foothills; Antelope Valley |
| Effective: | 2026-05-16 @ 11:20 am -> 2026-05-17 @ 12:00 am |
| Onset: | 2026-05-16 @ 12:00 pm -> 2026-05-17 @ 12:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-05-16 @ 11:20 am |
| Headline: | Red Flag Warning issued May 16 at 9:20AM PDT until May 16 at 10:00PM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 10 PM PDT SATURDAY FOR STRONG WEST TO NORTHWEST WINDS AND LOW RELATIVE HUMIDITY FOR THE ANTELOPE VALLEY AND ADJACENT WESTERN FOOTHILLS... .The best overlap of strong winds and low humidities in the Antelope Valley and adjacent foothills will be today, leading to an increased risk of large and fast moving grass fires. * WINDS...West to northwest 25 to 35 mph with gusts to 50 mph, except damaging gusts up to 60 mph in the western portions of the Antelope Valley. * RELATIVE HUMIDITY...Falling to 10 to 20 percent by this afternoon. * IMPACTS...Any grass fires that develop will likely spread rapidly with extreme fire behavior, with the potential for long range spotting and large fire growth. * ADDITIONAL DETAILS...While the best overlap of strong winds and low humidities will likely occur during the Red Flag Warning period, there will be an extended elevated fire threat persisting through Sunday due to gusty winds and low to moderate humidities. |
| Alert: | Air Quality Alert |
| Area(s): | Imperial County Southwest; Imperial County West; Imperial Valley |
| Effective: | 2026-05-16 @ 9:47 am -> 2026-05-18 @ 2:00 am |
| Onset: | 2026-05-16 @ 9:47 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Phoenix AZ on 2026-05-16 @ 9:47 am |
| Headline: | Air Quality Alert issued May 16 at 7:47AM MST by NWS Phoenix AZ |
| Description: |
* WHAT...The Imperial County APCD has extended an air quality alert due to harmful levels of particle pollution from windblown dust. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...the Imperial Valley. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...from 12:00 PM to 12:00 AM on Saturday, May 16, 2026 and Sunday, May 17, 2026. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. |
| Alert: | Wind Advisory |
| Area(s): | South-Central Shasta County Including Redding Metro; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta |
| Effective: | 2026-05-16 @ 8:52 am -> 2026-05-17 @ 6:00 pm |
| Onset: | 2026-05-17 @ 1:00 am -> 2026-05-17 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Sacramento CA on 2026-05-16 @ 8:52 am |
| Headline: | Wind Advisory issued May 16 at 6:52AM PDT until May 17 at 8:00PM PDT by NWS Sacramento CA |
| Description: |
* WHAT...North winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of the Sacramento Valley and Delta. Strongest in the Sacramento Valley along and west of I-5. * WHEN...From 11 PM this evening to 8 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
| Alert: | Wind Advisory |
| Area(s): | San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley |
| Effective: | 2026-05-16 @ 2:17 am -> 2026-05-16 @ 9:00 pm |
| Onset: | 2026-05-16 @ 5:00 pm -> 2026-05-16 @ 11:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-05-16 @ 2:17 am |
| Headline: | Wind Advisory issued May 16 at 12:17AM PDT until May 16 at 9:00PM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...San Luis Obispo County Beaches, San Luis Obispo County Inland Central Coast, Santa Barbara County Central Coast Beaches, Santa Barbara County Inland Central Coast, and Santa Ynez Valley. * WHEN...From 3 PM this afternoon to 9 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
| Alert: | High Wind Warning |
| Area(s): | Western Antelope Valley Foothills; Antelope Valley |
| Effective: | 2026-05-16 @ 2:17 am -> 2026-05-16 @ 9:00 pm |
| Onset: | 2026-05-16 @ 2:17 am -> 2026-05-18 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-05-16 @ 2:17 am |
| Headline: | High Wind Warning issued May 16 at 12:17AM PDT until May 17 at 11:00PM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...West winds 25 to 40 mph with gusts up to 60 mph expected. * WHERE...Antelope Valley and Western Antelope Valley Foothills. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Wind speeds may drop well below warning levels at times during the daytime hours. |
| Alert: | Wind Advisory |
| Area(s): | Eastern Antelope Valley Foothills |
| Effective: | 2026-05-16 @ 2:17 am -> 2026-05-16 @ 9:00 pm |
| Onset: | 2026-05-17 @ 2:00 pm -> 2026-05-18 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-05-16 @ 2:17 am |
| Headline: | Wind Advisory issued May 16 at 12:17AM PDT until May 17 at 11:00PM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Eastern Antelope Valley Foothills. * WHEN...From noon to 11 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
| Alert: | High Wind Warning |
| Area(s): | Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor |
| Effective: | 2026-05-16 @ 2:17 am -> 2026-05-16 @ 9:00 pm |
| Onset: | 2026-05-16 @ 2:17 am -> 2026-05-17 @ 11:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-05-16 @ 2:17 am |
| Headline: | High Wind Warning issued May 16 at 12:17AM PDT until May 17 at 9:00AM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...Northwest winds 30 to 50 mph with gusts up to 60 mph expected. Strongest during the overnight hours. * WHERE...Interstate 5 Corridor, Northern Ventura County Mountains, and Southern Ventura County Mountains. * WHEN...Until 9 AM PDT Sunday. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Wind speeds may drop well below warning levels at times during the daytime hours. |
| Alert: | High Wind Warning |
| Area(s): | Santa Barbara County Southwestern Coast; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains |
| Effective: | 2026-05-16 @ 2:17 am -> 2026-05-16 @ 9:00 pm |
| Onset: | 2026-05-16 @ 5:00 pm -> 2026-05-17 @ 11:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-05-16 @ 2:17 am |
| Headline: | High Wind Warning issued May 16 at 12:17AM PDT until May 17 at 9:00AM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph expected. Strongest during the overnight hours. * WHERE...Santa Barbara County Interior Mountains, Santa Barbara County Southwestern Coast, Santa Ynez Mountains Eastern Range, and Santa Ynez Mountains Western Range. * WHEN...From 3 PM this afternoon to 9 AM PDT Sunday. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Wind speeds may drop well below warning levels at times during the daytime hours. |
| Alert: | Air Quality Alert |
| Area(s): | Imperial County Southwest; Imperial County West; Imperial Valley |
| Effective: | 2026-05-15 @ 10:23 pm -> 2026-05-17 @ 2:00 am |
| Onset: | 2026-05-15 @ 10:23 pm |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Phoenix AZ on 2026-05-15 @ 10:23 pm |
| Headline: | Air Quality Alert issued May 15 at 8:23PM MST by NWS Phoenix AZ |
| Description: |
* WHAT...The Imperial County APCD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...the Imperial Valley. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...Saturday, May 16, 2026 from 12:00 PM to 12:00 AM. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. |
| Alert: | Air Quality Alert |
| Area(s): | Imperial County Southwest; Imperial County West |
| Effective: | 2026-05-15 @ 11:35 am -> 2026-05-17 @ 2:00 am |
| Onset: | 2026-05-15 @ 11:35 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Phoenix AZ on 2026-05-15 @ 11:35 am |
| Headline: | Air Quality Alert issued May 15 at 9:35AM MST by NWS Phoenix AZ |
| Description: |
* WHAT...The Imperial County APCD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...the Imperial Valley. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...Saturday, May 16, 2026 from 12:00 PM to 12:00 AM. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. |
| Alert: | Air Quality Alert |
| Area(s): | Imperial Valley |
| Effective: | 2026-05-15 @ 11:35 am -> 2026-05-17 @ 2:00 am |
| Onset: | 2026-05-15 @ 11:35 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Phoenix AZ on 2026-05-15 @ 11:35 am |
| Headline: | Air Quality Alert issued May 15 at 9:35AM MST by NWS Phoenix AZ |
| Description: |
* WHAT...The Imperial County APCD has issued an air quality alert due to harmful levels of ozone pollution. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...the Imperial Valley. Levels of ozone pollution can vary by time and location depending on emissions and air pollution transport. * WHEN...Friday, May 15, 2026 from 7:00 AM to 8:00 PM. The highest ozone levels typically occur in the afternoon and early-evening hours. * IMPACTS... Ozone air pollution can cause serious health problems, including trouble breathing, asthma attacks, and lung damage. Everyone can be affected, but sensitive groups such as people with lung disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. |
| Alert: | Air Quality Alert |
| Area(s): | Imperial County Southwest; Imperial County West |
| Effective: | 2026-05-15 @ 11:24 am -> 2026-05-17 @ 2:00 am |
| Onset: | 2026-05-15 @ 11:24 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Phoenix AZ on 2026-05-15 @ 11:24 am |
| Headline: | Air Quality Alert issued May 15 at 9:24AM MST by NWS Phoenix AZ |
| Description: |
* WHAT...The Imperial County APCD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...the Imperial Valley. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...Saturday, May 16, 2026 from 12:00 PM to 12:00 AM. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. |
| Alert: | Air Quality Alert |
| Area(s): | Imperial Valley |
| Effective: | 2026-05-15 @ 11:24 am -> 2026-05-17 @ 2:00 am |
| Onset: | 2026-05-15 @ 11:24 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Phoenix AZ on 2026-05-15 @ 11:24 am |
| Headline: | Air Quality Alert issued May 15 at 9:24AM MST by NWS Phoenix AZ |
| Description: |
* WHAT...The Imperial County APCD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...the Imperial Valley. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...Saturday, May 16, 2026 from 12:00 PM to 12:00 AM. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. |