Severe

Significant threat to life or property

Wyoming Freeze Watch | Effective 05/18/2026 00:15

* WHAT...Sub-freezing temperatures as low as 15 possible. * WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains, North Snowy Range Foothills, Shirley Basin, and Southwest Carbon County. * WHEN...From this evening through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

Nebraska, Wyoming Freeze Watch | Effective 05/18/2026 00:15

* WHAT...Sub-freezing temperatures as low as 16 possible. * WHERE...Portions of panhandle Nebraska and south central and southeast Wyoming. * WHEN...From late tonight through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

Oklahoma, Texas Red Flag Warning | Effective 05/17/2026 23:24

The National Weather Service in Norman has issued a Red Flag Warning, which is in effect from 1 PM this afternoon to 9 PM CDT this evening. The Fire Weather Watch is no longer in effect. * WINDS...South 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 12 percent. * TEMPERATURES...Up to 100. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...90th+ percentile...5 (out of 5). WEATHER...Critical...3 (out of 5). FIRE ENVIRONMENT...8 (out of 10).

Iowa, Wisconsin Severe Thunderstorm Watch | Effective 05/17/2026 23:27

SEVERE THUNDERSTORM WATCH 219 REMAINS VALID UNTIL 4 AM CDT EARLY THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 1 COUNTY IN NORTHEAST IOWA CLAYTON IN WISCONSIN THIS WATCH INCLUDES 4 COUNTIES IN SOUTHWEST WISCONSIN CRAWFORD GRANT RICHLAND VERNON THIS INCLUDES THE CITIES OF ELKADER, PLATTEVILLE, PRAIRIE DU CHIEN, RICHLAND CENTER, AND VIROQUA.

New Mexico, Texas Red Flag Warning | Effective 05/17/2026 23:38

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR 20 FOOT WINDS OF 20 MPH OR GREATER, RELATIVE HUMIDITY OF LESS THAN 15%, AND HIGH TO VERY HIGH FIRE DANGER FOR SOUTHEAST NEW MEXICO, THE GUADALUPE MOUNTAINS AND SURROUNDING FOOTHILLS AND PLAINS, AND THE NORTHWESTERN PERMIAN BASIN... * WINDS...Southwest 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 7 percent. * RFTI...5 to 8 or critical to extreme. * IMPACTS... * SEVERITY... FUELS (ERC)...90th+ percentile...5 (out of 5).

Texas Red Flag Warning | Effective 05/17/2026 23:38

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR 20 FOOT WINDS OF 20 MPH OR GREATER, RELATIVE HUMIDITY OF LESS THAN 15%, AND HIGH TO VERY HIGH FIRE DANGER FOR SOUTHEAST NEW MEXICO, THE GUADALUPE MOUNTAINS AND SURROUNDING FOOTHILLS AND PLAINS, AND THE NORTHWESTERN PERMIAN BASIN... The National Weather Service in Midland/Odessa has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon today to 9 PM CDT this evening.

Iowa Severe Thunderstorm Watch | Effective 05/17/2026 23:00

SEVERE THUNDERSTORM WATCH 219 REMAINS VALID UNTIL 4 AM CDT EARLY THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 3 COUNTIES IN SOUTH CENTRAL IOWA APPANOOSE IN SOUTHEAST IOWA DAVIS WAPELLO THIS INCLUDES THE CITIES OF BLOOMFIELD, CENTERVILLE, AND OTTUMWA. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WIND GUSTS TO 65 MPH POSSIBLE. A TORNADO OR TWO POSSIBLE.

Missouri Flood Watch | Effective 05/17/2026 23:02

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of central, east central, southwest, and west central Missouri, including the following areas, in central Missouri, Benton, Camden, Hickory, Maries, Miller, Morgan and Pulaski. In east central Missouri, Phelps. In southwest Missouri, Cedar, Dallas, Laclede and Polk. In west central Missouri, St. Clair and Vernon. * WHEN...From 7 AM CDT this morning through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers,
Subscribe to RSS - Severe