Immediate

Responsive action SHOULD be taken immediately

Arizona Severe Flash Flood Warning | Effective 08/31/2026 18:58

At 658 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include...

Utah Severe Flash Flood Warning | Effective 08/31/2026 18:31

At 731 PM MDT, the public reported thunderstorms producing heavy rain in Birch Creek and the main stem of the Escalante River. Flash flooding is already occurring with the river running high and hitting the bottom of the bridge on 300 east just north of Escalante. HAZARD...Life threatening flash flooding. SOURCE...Public reported. IMPACT...Life threatening flash flooding of the Escalante River. Some locations that will experience flash flooding include... The Escalante River from near the town of Escalante to the terminus

Colorado Severe Severe Thunderstorm Warning | Effective 08/31/2026 18:33

At 733 PM MDT, severe thunderstorms were located along a line extending from 8 miles northeast of Cheyenne Wells to 6 miles north of Sheridan Lake to near Brandon, moving northeast at 45 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Sheridan Lake, Chivington, Brandon, and Towner.

Kansas Severe Severe Thunderstorm Warning | Effective 08/31/2026 18:37

At 836 PM CDT, a severe thunderstorm was located 4 miles northeast of Bird City, or 17 miles south of Benkelman, moving east at 20 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Trained weather spotters reported 60 mph wind gust 7 miles north of Bird City at 847 PM CDT. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Bird City and McDonald. For your protection move to an interior room on the lowest floor of a building.

Colorado Severe Severe Thunderstorm Warning | Effective 08/31/2026 18:42

At 741 PM MDT, a severe thunderstorm was located near Granada, or 12 miles east of Lamar, 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... Granada and Bristol. For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to

Arizona Severe Severe Thunderstorm Warning | Effective 08/31/2026 18:19

SVRPSR The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... East central Yuma County in southwestern Arizona... Maricopa County in south central Arizona... * Until 645 PM MST. * At 618 PM MST, a severe thunderstorm was located 14 miles north of Paloma, or 42 miles southwest of Tonopah, moving northeast at 20 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.

Colorado Severe Severe Thunderstorm Warning | Effective 08/31/2026 18:22

At 721 PM MDT, severe thunderstorms were located along a line extending from Cheyenne Wells to near Brandon to 6 miles east of Queens Reservoir, moving northeast at 40 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Sheridan Lake, Chivington, Brandon, Neeoshe Reservoir, and Towner.

Kansas Severe Severe Thunderstorm Warning | Effective 08/31/2026 18:23

At 823 PM CDT, a severe thunderstorm was located near Bird City, or 12 miles east of St. Francis, moving east 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 to roofs, siding, and trees. Locations impacted include... St. Francis, Bird City, McDonald, and Wheeler. For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to
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