Severe

Significant threat to life or property

Colorado Severe Severe Thunderstorm Warning | Effective 06/20/2026 13:13

SVRBOU The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Southeastern Adams County in northeastern Colorado... Eastern Arapahoe County in northeastern Colorado... Southwestern Washington County in northeastern Colorado... * Until 300 PM MDT. * At 213 PM MDT, a severe thunderstorm was located 4 miles north of Cottonwood Valley, or 30 miles north of Limon, moving northeast at 25 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated.

Alabama Severe Flash Flood Warning | Effective 06-20-2026 12:48

At 248 PM CDT, local law enforcement reported thunderstorms producing heavy rain across the warned area. Between 2 and 3.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Law enforcement reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include...

Colorado Severe Red Flag Warning | Effective 06/20/2026 12:47

* AFFECTED AREA...In Colorado, Fire Weather Zone 203 Lower Colorado River and Fire Weather Zone 205 Colorado River Headwaters below 8000 feet. * TIMING...Until 10 PM MDT this evening. * WINDS...Southwest 10 to 20 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...6 to 11 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of

Colorado Severe Red Flag Warning | Effective 06/20/2026 12:47

* AFFECTED AREA...In Colorado, Fire Weather Zone 295 Southwest Colorado Upper East Forecast Area below 9000 feet. * TIMING...Until 10 PM MDT this evening. * WINDS...West 5 to 15 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...7 to 12 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of

Colorado, Utah Severe Red Flag Warning | Effective 06/20/2026 12:47

* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little Snake Forecast Area, Fire Weather Zone 201 Routt Forecast Area, Fire Weather Zone 202 White River Forecast Area, Fire Weather Zone 207 Southwest Colorado Lower Forecast Area, Fire Weather Zone 290 Paradox Valley Forecast Area, Fire Weather Zone 291 Northern San Juan Forecast Area, Fire Weather Zone 292 North Fork Forecast Area, Fire Weather Zone 293 Gunnison Basin Forecast Area and Fire Weather Zone 294 Southwest

Alabama Severe Flash Flood Warning | Effective 06/20/2026 12:48

At 248 PM CDT, local law enforcement reported thunderstorms producing heavy rain across the warned area. Between 2 and 3.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Law enforcement reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include...

Nebraska Severe Severe Thunderstorm Warning | Effective 06/20/2026 12:49

SVRGLD The National Weather Service in Goodland has issued a * Severe Thunderstorm Warning for... Northwestern Hitchcock County in southwestern Nebraska... Northeastern Dundy County in southwestern Nebraska... * Until 230 PM MDT/330 PM CDT/. * At 149 PM MDT/249 PM CDT/, a severe thunderstorm was located 8 miles south of Wauneta, or 18 miles northwest of Trenton, moving northeast at 20 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage

Florida Severe Severe Thunderstorm Warning | Effective 06/20/2026 12:49

SVRTAE The National Weather Service in Tallahassee has issued a * Severe Thunderstorm Warning for... Northwestern Lafayette County in Big Bend Florida... Northeastern Taylor County in Big Bend Florida... * Until 430 PM EDT. * At 349 PM EDT, a severe thunderstorm was located 11 miles northeast of Perry, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Perry, Chancey, Secotan, Boyd, Smith, Buckville, Mayo Junction,

Illinois, Missouri Severe Flood Watch | Effective 06/20/2026 12:49

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Adams IL, Brown IL, Calhoun IL and Pike IL and Missouri, including the following areas, Audrain MO, Boone MO, Callaway MO, Cole MO, Gasconade MO, Knox MO, Lewis MO, Lincoln MO, Marion MO, Moniteau MO, Monroe MO, Montgomery MO, Osage MO, Pike MO, Ralls MO, Shelby MO and Warren MO. * WHEN...From 1 AM CDT Sunday through Sunday evening.

Illinois, Missouri Severe Flood Watch | Effective 06/20/2026 12:49

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Clinton IL, Marion IL, Monroe IL, Randolph IL, Saint Clair IL and Washington IL and Missouri, including the following areas, Crawford MO, Iron MO, Jefferson MO, Madison MO, Reynolds MO, Saint Francois MO, Sainte Genevieve MO and Washington MO. * WHEN...From Sunday morning through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers,
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