Immediate

Responsive action SHOULD be taken immediately

South Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 16:29

At 529 PM MDT, severe thunderstorms were located along a line from 18 miles north of Watauga to 7 miles southeast of Shambo Ranch, or along a line from 34 miles northwest of Bullhead to 33 miles west of Timber Lake, moving east at 45 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will be near... Watauga and Shambo Ranch around 530 PM MDT. Mcintosh around 540 PM MDT. Black Horse around 545 PM MDT.

Arizona Severe Flash Flood Warning | Effective 08/30/2026 16:35

FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Northeastern La Paz County in west central Arizona... * Until 830 PM MST. * At 435 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding.

Colorado Severe Flash Flood Warning | Effective 08/30/2026 16:36

FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... The Northwest area of the Ferris Fire Scar burn scar in... Northwestern Dolores County in southwestern Colorado... * Until 615 PM MDT. * At 536 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Northwest area of the Ferris Fire Scar Burn Scar. Between 0.3 and 0.5 inches of rain have fallen over 15 minutes. Flash flooding is ongoing or expected to begin shortly.

Arizona Severe Severe Thunderstorm Warning | Effective 08/30/2026 16:40

SVRPSR The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... East central La Paz County in west central Arizona... * Until 515 PM MST. * At 440 PM MST, a severe thunderstorm was located near Vicksburg, or 34 miles southeast of Parker, moving northeast at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Vicksburg and Salome. This includes the following highways...

Utah Severe Flash Flood Warning | Effective 08/30/2026 16:40

At 540 PM MDT, Doppler radar indicated earlier thunderstorms that produced heavy rain across the warned area. Up to 0.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of slot canyons, normally dry washes, creeks, streams and rivers. Hole- in-the-Rock Road may be impassible in areas that receive heavy rain.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 16:42

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Central Burleigh County in south central North Dakota... Western Emmons County in south central North Dakota... Eastern Grant County in south central North Dakota... Morton County in south central North Dakota... Southern Oliver County in south central North Dakota... Sioux County in south central North Dakota... * Until 745 PM CDT /645 PM MDT/. * At 642 PM CDT /542 PM MDT/, severe thunderstorms were located along

Arizona Severe Flash Flood Warning | Effective 08-30-2026 16:35

FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Northeastern La Paz County in west central Arizona... * Until 830 PM MST. * At 435 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding.

Colorado Severe Flash Flood Warning | Effective 08-30-2026 16:36

FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... The Northwest area of the Ferris Fire Scar burn scar in... Northwestern Dolores County in southwestern Colorado... * Until 615 PM MDT. * At 536 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Northwest area of the Ferris Fire Scar Burn Scar. Between 0.3 and 0.5 inches of rain have fallen over 15 minutes. Flash flooding is ongoing or expected to begin shortly.

Utah Severe Flash Flood Warning | Effective 08/30/2026 16:15

At 515 PM MDT, Doppler radar indicated earlier thunderstorms produced heavy rain across primarily Brimhall Natural Bridge near Halls Creek. Water will continue to flow downstream through Halls Creek Narrows down to Lake Powell. Up to 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 indicated. IMPACT...Life threatening flash flooding of creeks, streams, slot canyons, and normally dry washes.

Utah Severe Flash Flood Warning | Effective 08/30/2026 16:19

FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... Southeastern Grand County in east central Utah... * Until 645 PM MDT. * At 519 PM MDT, Doppler radar 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...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas,
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