St. Louis, Missouri
Regional Weather Alerts
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Grundy, MO; Mercer, MO; Sullivan, MO |
| Effective: | 2026-05-16 @ 8:41 pm -> 2026-05-16 @ 9:15 pm |
| Onset: | 2026-05-16 @ 8:41 pm -> 2026-05-16 @ 9:15 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-05-16 @ 8:41 pm |
| Headline: | Severe Thunderstorm Warning issued May 16 at 8:41PM CDT until May 16 at 9:15PM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
SVREAX The National Weather Service in Pleasant Hill has issued a * Severe Thunderstorm Warning for... Northeastern Grundy County in north central Missouri... West central Sullivan County in north central Missouri... Southeastern Mercer County in north central Missouri... * Until 915 PM CDT. * At 841 PM CDT, a severe thunderstorm was located near Galt, or 13 miles west of Milan, moving northeast at 25 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Harris and Osgood. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Daviess, MO; Gentry, MO; Grundy, MO; Harrison, MO; Mercer, MO |
| Effective: | 2026-05-16 @ 8:33 pm -> 2026-05-16 @ 9:00 pm |
| Onset: | 2026-05-16 @ 8:33 pm -> 2026-05-16 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-05-16 @ 8:33 pm |
| Headline: | Severe Thunderstorm Warning issued May 16 at 8:33PM CDT until May 16 at 9:00PM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
SVREAX The National Weather Service in Pleasant Hill has issued a * Severe Thunderstorm Warning for... Northern Daviess County in north central Missouri... Northwestern Grundy County in north central Missouri... East central Gentry County in northwestern Missouri... Southern Mercer County in north central Missouri... Southern Harrison County in north central Missouri... * Until 900 PM CDT. * At 833 PM CDT, severe thunderstorms were located along a line extending from near Princeton to near Gilman City to 9 miles northwest of Pattonsburg, moving east at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Princeton, Gilman City, Pattonsburg, Cainsville, Spickard, Coffey, Mcfall, Mount Moriah, Tindall, Brimson, Modena, and Mill Grove. This includes Interstate 35 in Missouri between mile markers 77 and 90. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Daviess, MO; Gentry, MO; Harrison, MO |
| Effective: | 2026-05-16 @ 8:16 pm -> 2026-05-16 @ 9:00 pm |
| Onset: | 2026-05-16 @ 8:16 pm -> 2026-05-16 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-05-16 @ 8:16 pm |
| Headline: | Severe Thunderstorm Warning issued May 16 at 8:16PM CDT until May 16 at 9:00PM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
SVREAX The National Weather Service in Pleasant Hill has issued a * Severe Thunderstorm Warning for... Northwestern Daviess County in north central Missouri... East central Gentry County in northwestern Missouri... Southwestern Harrison County in north central Missouri... * Until 900 PM CDT. * At 815 PM CDT, a severe thunderstorm was located over New Hampton, or near Albany, moving southeast at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Bethany, Pattonsburg, New Hampton, and Coffey. This includes Interstate 35 in Missouri between mile markers 77 and 91. |
| Alert: | Flash Flood Warning |
| Area(s): | Grundy, MO; Harrison, MO; Mercer, MO |
| Effective: | 2026-05-16 @ 8:07 pm -> 2026-05-17 @ 1:30 am |
| Onset: | 2026-05-16 @ 8:07 pm -> 2026-05-17 @ 1:30 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Immediate |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-05-16 @ 8:07 pm |
| Headline: | Flash Flood Warning issued May 16 at 8:07PM CDT until May 17 at 1:30AM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
At 807 PM CDT, Emergency management reported flash flooding is occurring in the city of Trenton. Water is over multiple roads including Normal Street west of the school complex. Additionally, water was flowing over several locations along Highway 146 west of Trenton. . Between 3 and 6 inches of rain have fallen. Additional rainfall amounts of 0.5 to 2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Emergency management reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Trenton, Bethany, Gilman City, Spickard, Galt, Laredo, Tindall and Brimson. |
| Alert: | Flash Flood Warning |
| Area(s): | Grundy, MO; Linn, MO; Sullivan, MO |
| Effective: | 2026-05-16 @ 7:20 pm -> 2026-05-17 @ 1:30 am |
| Onset: | 2026-05-16 @ 7:20 pm -> 2026-05-17 @ 1:30 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Immediate |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-05-16 @ 7:20 pm |
| Headline: | Flash Flood Warning issued May 16 at 7:20PM CDT until May 17 at 1:30AM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
FFWEAX The National Weather Service in Pleasant Hill has issued a * Flash Flood Warning for... East Central Grundy County in north central Missouri... Northern Linn County in north central Missouri... Southwestern Sullivan County in north central Missouri... * Until 130 AM CDT Sunday. * At 720 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 4.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 2 hours. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Linneus, Browning, Galt, Purdin, Humphreys and Winigan. |
| Alert: | Flood Advisory |
| Area(s): | Grundy, MO; Linn, MO; Livingston, MO; Sullivan, MO |
| Effective: | 2026-05-16 @ 6:39 pm -> 2026-05-16 @ 11:45 pm |
| Onset: | 2026-05-16 @ 6:39 pm -> 2026-05-16 @ 11:45 pm |
| Severity: | Minor |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-05-16 @ 6:39 pm |
| Headline: | Flood Advisory issued May 16 at 6:39PM CDT until May 16 at 11:45PM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southern Grundy County in north central Missouri... Linn County in north central Missouri... Northern Livingston County in north central Missouri... Southern Sullivan County in north central Missouri... * WHEN...Until 1145 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 639 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 3 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Chillicothe, Linneus, Browning, Galt, Chula, Purdin, Humphreys, Reger, Winigan, New Boston and Spring Hill. - http://www.weather.gov/safety/flood |
| Alert: | Tornado Watch |
| Area(s): | Adair, MO; Caldwell, MO; Daviess, MO; DeKalb, MO; Gentry, MO; Grundy, MO; Harrison, MO; Linn, MO; Livingston, MO; Macon, MO; Mercer, MO; Nodaway, MO; Putnam, MO; Schuyler, MO; Sullivan, MO; Worth, MO |
| Effective: | 2026-05-16 @ 5:13 pm -> 2026-05-16 @ 11:00 pm |
| Onset: | 2026-05-16 @ 5:13 pm -> 2026-05-16 @ 11:00 pm |
| Severity: | Extreme |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-05-16 @ 5:13 pm |
| Headline: | Tornado Watch issued May 16 at 5:13PM CDT until May 16 at 11:00PM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
TORNADO WATCH 210 REMAINS VALID UNTIL 11 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN MISSOURI THIS WATCH INCLUDES 16 COUNTIES IN NORTH CENTRAL MISSOURI CALDWELL DAVIESS GRUNDY HARRISON LINN LIVINGSTON MACON MERCER PUTNAM SULLIVAN IN NORTHEAST MISSOURI ADAIR SCHUYLER IN NORTHWEST MISSOURI DEKALB GENTRY NODAWAY WORTH THIS INCLUDES THE CITIES OF ALBANY, BETHANY, BRAYMER, BRECKENRIDGE, BROOKFIELD, CHILLICOTHE, CLARKSDALE, DOWNING, GALLATIN, GLENWOOD, GRANT CITY, GREEN CITY, GREENTOP, HAMILTON, JAMESPORT, KING CITY, KIRKSVILLE, LA PLATA, LANCASTER, MACON, MARCELINE, MARYVILLE, MAYSVILLE, MERCER, MILAN, OSBORN, POLO, PRINCETON, QUEEN CITY, STANBERRY, STEWARTSVILLE, TRENTON, UNION STAR, AND UNIONVILLE. |
| Alert: | Severe Thunderstorm Watch |
| Area(s): | Atchison, KS; Doniphan, KS; Andrew, MO; Atchison, MO; Holt, MO |
| Effective: | 2026-05-16 @ 5:13 pm -> 2026-05-17 @ 1:00 am |
| Onset: | 2026-05-16 @ 5:13 pm -> 2026-05-17 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Kansas City/Pleasant Hill MO on 2026-05-16 @ 5:13 pm |
| Headline: | Severe Thunderstorm Watch issued May 16 at 5:13PM CDT until May 17 at 1:00AM CDT by NWS Kansas City/Pleasant Hill MO |
| Description: |
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 211 IN EFFECT UNTIL 1 AM CDT SUNDAY FOR THE FOLLOWING AREAS IN KANSAS THIS WATCH INCLUDES 2 COUNTIES IN NORTHEAST KANSAS ATCHISON DONIPHAN IN MISSOURI THIS WATCH INCLUDES 3 COUNTIES IN NORTHWEST MISSOURI ANDREW ATCHISON HOLT THIS INCLUDES THE CITIES OF ATCHISON, COUNTRY CLUB VILLA, CRAIG, ELWOOD, FAIRFAX, FOREST CITY, HIGHLAND, MAITLAND, MOUND CITY, OREGON, ROCK PORT, SAVANNAH, TARKIO, TROY, AND WATHENA. |