Immediate

Responsive action SHOULD be taken immediately

Texas Severe Flash Flood Warning | Effective 09/20/2026 16:18

FFWFWD The National Weather Service in Fort Worth has issued a * Flash Flood Warning for... Central Grayson County in north central Texas... * Until 845 PM CDT. * At 618 PM CDT, emergency management reported multiple flooded roads and vehicles stuck in flood water in and around the Denison area. Flash flooding is already occurring in this area. Additional instances of flash flooding is imminent or occurring in the Sherman to Southmayd areas as well. HAZARD...Flash flooding caused by thunderstorms.

Missouri Severe Severe Thunderstorm Warning | Effective 09/20/2026 16:19

At 619 PM CDT, a severe thunderstorm was located over Niangua, or 7 miles east of Marshfield, moving northeast at 30 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... Niangua and Rader. This includes Interstate 44 between mile markers 102 and 109. For your protection move to an interior room on the lowest floor of a building.

Texas Severe Severe Thunderstorm Warning | Effective 09/20/2026 16:21

SVRFWD The National Weather Service in Fort Worth has issued a * Severe Thunderstorm Warning for... Southeastern Grayson County in north central Texas... Northwestern Fannin County in north central Texas... * Until 715 PM CDT. * At 620 PM CDT, a severe thunderstorm was located over Howe, with another storm located near Sherman. Both storms are moving northeast at 5 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage

Alabama Severe Severe Thunderstorm Warning | Effective 09/20/2026 16:23

SVRMOB The National Weather Service in Mobile has issued a * Severe Thunderstorm Warning for... Southwestern Baldwin County in southwestern Alabama... * Until 715 PM CDT. * At 623 PM CDT, a severe thunderstorm was located 5 miles east of Loxley, moving southwest at 15 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Foley, Robertsdale, Loxley, Summerdale, and Silverhill.

Illinois Severe Severe Thunderstorm Warning | Effective 09/20/2026 16:24

At 624 PM CDT, a severe thunderstorm was located 7 miles north of Brownstown, or 10 miles northeast of Vandalia, moving southeast at 30 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... Wrights Corner, Brownstown, Avena and St. Elmo. This includes Interstate 70 in Illinois near exit 76. Seek shelter inside a well-built structure and stay away from

Florida Severe Severe Thunderstorm Warning | Effective 09/20/2026 16:25

SVRTAE The National Weather Service in Tallahassee has issued a * Severe Thunderstorm Warning for... Calhoun County in the Panhandle of Florida... Northwestern Liberty County in Big Bend Florida... * Until 830 PM EDT/730 PM CDT/. * At 725 PM EDT/625 PM CDT/, a severe thunderstorm was located 8 miles south of Blountstown, moving west at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include...

Texas Severe Flash Flood Warning | Effective 09/20/2026 16:27

FFWFWD The National Weather Service in Fort Worth has issued a * Flash Flood Warning for... East Central Grayson County in north central Texas... * Until 800 PM CDT. * At 627 PM CDT, emergency management reported multiple un-passable roads and potential water rescues ongoing in Denison. Flash flooding is ongoing or expected to begin shortly. Stay off the roads unless absolutely necessary. HAZARD...Life threatening flash flooding. SOURCE...Emergency management reported. IMPACT...Life threatening flash flooding of creeks and streams,

Colorado Severe Severe Thunderstorm Warning | Effective 09/20/2026 16:28

At 526 PM MDT, a severe thunderstorm was located 8 miles northeast of Eads, or 24 miles southwest of Cheyenne Wells, moving southeast at 25 mph. THIS IS A DESTRUCTIVE STORM FOR Highway 287 from Mile Markers 116 to 122 north of Eads. HAZARD...Baseball size hail and 60 mph wind gusts. SOURCE...Trained weather spotters. IMPACT...People and animals outdoors will be severely injured. Expect shattered windows, extensive damage to roofs, siding, and vehicles. Locations impacted include...

Indiana, Ohio Severe Severe Thunderstorm Warning | Effective 09/20/2026 16:29

At 728 PM EDT, a severe thunderstorm was located over West College Corner, moving southeast at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vehicles is possible. Expect wind damage to trees and power lines. Locations impacted include... Richmond, Oxford, Eaton, Camden, West College Corner, Darrtown, Salem, Reily, College Corner, Somerville, Boston, Richmond Municipal Airport, Goodwins Corner, West Florence, Cottage Grove, Morning Sun,

Colorado Severe Severe Thunderstorm Warning | Effective 09-20-2026 16:28

At 526 PM MDT, a severe thunderstorm was located 8 miles northeast of Eads, or 24 miles southwest of Cheyenne Wells, moving southeast at 25 mph. THIS IS A DESTRUCTIVE STORM FOR Highway 287 from Mile Markers 116 to 122 north of Eads. HAZARD...Baseball size hail and 60 mph wind gusts. SOURCE...Trained weather spotters. IMPACT...People and animals outdoors will be severely injured. Expect shattered windows, extensive damage to roofs, siding, and vehicles. Locations impacted include...
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