Boise, Idaho
Regional Weather Alerts
| Alert: | Fire Weather Watch |
| Area(s): | Northern and Central Idaho Panhandle; East Washington Central Cascades; East Portion of North Cascades National Park / Lake Chelan National Recreation Area; East Washington North Cascades; Okanogan Highlands & Kettle Mountains; Selkirk Mountains of Northeast Washington; Foothills of Northeast Washington; Colville Reservation; Okanogan Valley; Methow Valley; Central Washington Cascade Foothills; Waterville Plateau; Western Columbia Basin; Eastern Columbia Basin / Palouse / Spokane Area; Lower Palouse / Snake River |
| Effective: | 2026-07-30 @ 12:45 am -> 2026-07-30 @ 2:00 pm |
| Onset: | 2026-08-01 @ 1:00 pm -> 2026-08-02 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Spokane WA on 2026-07-30 @ 12:45 am |
| Headline: | Fire Weather Watch issued July 29 at 10:45PM PDT until August 1 at 11:00PM PDT by NWS Spokane WA |
| Description: |
...FIRE WEATHER WATCH FOR STRONG WINDS AND LOW HUMIDITY SATURDAY ACROSS THE INLAND NORTHWEST... * Affected Area: Northern and Central Idaho Panhandle (Zone 101), East Washington Central Cascades (Zone 696), East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697), East Washington North Cascades (Zone 698), Okanogan Highlands and Kettle Mountains (Zone 699), Selkirk Mountains of Northeast Washington (Zone 700), Foothills of Northeast Washington (Zone 701), Colville Reservation (Zone 702), Okanogan Valley (Zone 703), Methow Valley (Zone 704), Foothills of Central Washington Cascades (Zone 705), Waterville Plateau (Zone 706), Western Columbia Basin (Zone 707), Eastern Columbia Basin -Palouse -Spokane Area (Zone 708) and Lower Palouse -Snake River (Zone 709). * Winds: West/Southwest winds 15 to 30 mph with gusts of 35 to 50 mph. Highest wind speeds over the Waterville Plateau, Columbia Basin, West Plains, Blue Mountains, and Lewiston-Clarkston Valley. * Relative Humidities: 17 to 30 percent across Central and Eastern Washington. 25 to 35 percent across the Idaho Panhandle. 30 to 45 percent near the Cascade Crest. * Impacts: Strong winds and low humidity Saturday may lead to rapid fire spread with any new or ongoing fires. |
| Alert: | Air Quality Alert |
| Area(s): | Clearwater, ID; Idaho, ID |
| Effective: | 2026-07-29 @ 1:50 pm -> 2026-07-31 @ 2:00 pm |
| Onset: | 2026-07-29 @ 1:50 pm |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Missoula MT on 2026-07-29 @ 1:50 pm |
| Headline: | Air Quality Alert issued July 29 at 12:50PM MDT by NWS Missoula MT |
| Description: |
* WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy for Sensitive Groups. * WHERE...Clearwater and Idaho Counties * WHEN...Extended until noon 7/31/2026 * IMPACTS...Members of sensitive groups may experience health effects. The general public is less likely to be affected. |
| Alert: | Air Quality Alert |
| Area(s): | Latah, ID; Lewis, ID; Nez Perce, ID |
| Effective: | 2026-07-29 @ 1:29 pm -> 2026-07-30 @ 2:00 pm |
| Onset: | 2026-07-29 @ 1:29 pm |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Spokane WA on 2026-07-29 @ 1:34 pm |
| Headline: | Air Quality Alert issued July 29 at 11:29AM PDT by NWS Spokane WA |
| Description: |
An Air Quality Alert has been issued by the following agencies: Idaho Department of Environmental Quality in Lewiston Nez Perce Tribe ...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Clearwater, Idaho, Latah, Lewis, and Nez Perce Counties... * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy for Sensitive Groups. * WHERE...Clearwater, Idaho, Latah, Lewis, and Nez Perce Counties... * WHEN...Until noon July 31st. * IMPACTS...Members of sensitive groups may experience health effects. The general public is less likely to be affected. |
| Alert: | Air Quality Alert |
| Area(s): | Blaine, ID; Cassia, ID; Lincoln, ID; Minidoka, ID |
| Effective: | 2026-07-29 @ 12:53 pm -> 2026-07-30 @ 3:00 pm |
| Onset: | 2026-07-29 @ 12:53 pm |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Pocatello ID on 2026-07-29 @ 12:53 pm |
| Headline: | Air Quality Alert issued July 29 at 11:53AM MDT by NWS Pocatello ID |
| Description: |
AQAPIH * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy for Sensitive Groups. * WHERE...Blaine, Lincoln, Minidoka, and Cassia counties in south central Idaho. * WHEN...Through Thursday, July 30. * IMPACTS...Members of sensitive groups may experience health effects. The general public is less likely to be affected. |
| Alert: | Air Quality Alert |
| Area(s): | Ada, ID; Adams, ID; Boise, ID; Canyon, ID; Elmore, ID; Gem, ID; Owyhee, ID; Payette, ID; Valley, ID; Washington, ID |
| Effective: | 2026-07-29 @ 12:44 pm -> 2026-07-31 @ 2:00 pm |
| Onset: | 2026-07-29 @ 12:44 pm |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Boise ID on 2026-07-29 @ 12:46 pm |
| Headline: | Air Quality Alert issued July 29 at 11:44AM MDT by NWS Boise ID |
| Description: |
* WHAT...Air Quality Advisory because of degraded air quality. Air Quality Index is forecast to be Very Unhealthy. * WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington Counties. * WHEN...UNTIL 2 PM MDT FRIDAY. * IMPACTS...Members of sensitive groups may experience health effects. The general public is not likely to be affected. |
| Alert: | Air Quality Alert |
| Area(s): | Camas, ID; Gooding, ID; Jerome, ID; Twin Falls, ID |
| Effective: | 2026-07-29 @ 12:44 pm -> 2026-07-31 @ 2:00 pm |
| Onset: | 2026-07-29 @ 12:44 pm |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Boise ID on 2026-07-29 @ 12:46 pm |
| Headline: | Air Quality Alert issued July 29 at 11:44AM MDT by NWS Boise ID |
| Description: |
* WHAT...Air Quality Advisory because of degraded air quality. Air Quality Index is forecast to be Unhealthy for Sensitive Groups. * WHERE...Camas, Gooding, Jerome, and Twin Falls Counties. * WHEN...UNTIL 1 PM MDT THURSDAY. * IMPACTS...Members of sensitive groups may experience health effects. The general public is not likely to be affected. |
| Alert: | Air Quality Alert |
| Area(s): | Camas, ID; Gooding, ID; Jerome, ID; Twin Falls, ID |
| Effective: | 2026-07-29 @ 12:35 pm -> 2026-07-31 @ 2:00 pm |
| Onset: | 2026-07-29 @ 12:35 pm |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Boise ID on 2026-07-29 @ 12:38 pm |
| Headline: | Air Quality Alert issued July 29 at 11:35AM MDT by NWS Boise ID |
| Description: |
* WHAT...Air Quality Advisory because of degraded air quality. Air Quality Index is forecast to be Unhealthy. * WHERE...Camas, Gooding, Jerome, and Twin Falls Counties. * WHEN...UNTIL 1 PM MDT THIS AFTERNOON. * IMPACTS...Air Quality is acceptable; however for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. |
| Alert: | Air Quality Alert |
| Area(s): | Ada, ID; Adams, ID; Boise, ID; Canyon, ID; Elmore, ID; Gem, ID; Owyhee, ID; Payette, ID; Valley, ID; Washington, ID |
| Effective: | 2026-07-29 @ 12:35 pm -> 2026-07-31 @ 2:00 pm |
| Onset: | 2026-07-29 @ 12:35 pm |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Boise ID on 2026-07-29 @ 12:38 pm |
| Headline: | Air Quality Alert issued July 29 at 11:35AM MDT by NWS Boise ID |
| Description: |
* WHAT...Air Quality Advisory because of degraded air quality. Air Quality Index is forecast to be Very Unhealthy. * WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington Counties. * WHEN...UNTIL 2 PM MDT FRIDAY. * IMPACTS...Air Quality is acceptable; however for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. |
| Alert: | Fire Weather Watch |
| Area(s): | Palouse/Nezperce Reservation/Hells Canyon Region; Clearwater/Nezperce National Forest |
| Effective: | 2026-07-29 @ 9:45 am -> 2026-07-31 @ 1:15 pm |
| Onset: | 2026-08-01 @ 1:00 pm -> 2026-08-01 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Missoula MT on 2026-07-29 @ 9:45 am |
| Headline: | Fire Weather Watch issued July 29 at 8:45AM MDT until August 1 at 9:00PM MDT by NWS Missoula MT |
| Description: |
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR PALOUSE/HELLS CANYON AND CLEARWATER/NEZ PERCE... ...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR A PORTION OF MT... ...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR DEERLODGE/WEST BEAVERHEAD AND EAST BEAVERHEAD... ... .A dry cold front on Saturday will bring critical fire weather conditions to the region. The National Weather Service in Missoula MT has issued a Fire Weather Watch. * AFFECTED AREA...Fire Weather Zones 102 and 103 in north-central Idaho. * TIMING...From Saturday morning through Saturday evening. * WINDS...West winds 10 to 20 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...Relative Humidity between 14 to 25 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended. |
| Alert: | Air Quality Alert |
| Area(s): | Lemhi, ID |
| Effective: | 2026-07-28 @ 10:41 am -> 2026-07-31 @ 2:00 pm |
| Onset: | 2026-07-28 @ 10:41 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Missoula MT on 2026-07-28 @ 10:41 am |
| Headline: | Air Quality Alert issued July 28 at 9:41AM MDT by NWS Missoula MT |
| Description: |
AQAMSO * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy for Sensitive Groups * WHERE... Lemhi County * WHEN...Until 1pm MDT 7/31/2026 * IMPACTS...Members of sensitive groups may experience health effects. The general public is less likely to be affected. |
| Alert: | Air Quality Alert |
| Area(s): | Lemhi, ID |
| Effective: | 2026-07-28 @ 10:38 am -> 2026-07-31 @ 2:00 pm |
| Onset: | 2026-07-28 @ 10:38 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Missoula MT on 2026-07-28 @ 10:38 am |
| Headline: | Air Quality Alert issued July 28 at 9:38AM MDT by NWS Missoula MT |
| Description: |
AQAMSO * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy for Sensitive Groups * WHERE... Lemhi County * WHEN...Until1pmMDT7/31/2026 * IMPACTS...Members of sensitive groups may experience health effects. The general public is less likely to be affected. |
| Alert: | Air Quality Alert |
| Area(s): | Orofino/Grangeville Region |
| Effective: | 2026-07-27 @ 11:40 am -> 2026-07-31 @ 12:00 pm |
| Onset: | 2026-07-27 @ 11:40 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Missoula MT on 2026-07-27 @ 11:40 am |
| Headline: | Air Quality Alert issued July 27 at 10:40AM MDT by NWS Missoula MT |
| Description: |
AQAMSO * WHAT...Air Quality Advisory due to smoke from wildfires. Air Quality Index ranging from Moderate to Unhealthy for Sensitive Groups. * WHERE...All Areas on the Nez Perce Reservation. * WHEN...Until 10:00 AM PDT Friday July 31. * IMPACTS...Those who experience health effects from smoke include children under 18, elders, pregnant women, people with asthma or have difficulty breathing, diabetes, heart problems or otherwise compromised health, and people who have high exposure (those who work, exercise, or spend extensive time outdoors). |
| Alert: | Air Quality Alert |
| Area(s): | Orofino/Grangeville Region |
| Effective: | 2026-07-27 @ 11:36 pm -> 2026-07-31 @ 12:00 pm |
| Onset: | 2026-07-27 @ 11:36 pm |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Missoula MT on 2026-07-27 @ 11:37 am |
| Headline: | Air Quality Alert issued July 27 at 10:36PM MDT by NWS Missoula MT |
| Description: |
AQAMSO * WHAT...Air Quality Advisory due to smoke from wildfires. Air Quality Index ranging from Moderate to Unhealthy for Sensitive Groups. * WHERE...All Areas on the Nez Perce Reservation. * WHEN...Until 10:00 AM PDT Friday July 27. * IMPACTS...Those who experience health effects from smoke include children under 18, elders, pregnant women, people with asthma or have difficulty breathing, diabetes, heart problems or otherwise compromised health, and people who have high exposure (those who work, exercise, or spend extensive time outdoors). |