Immediate

Responsive action SHOULD be taken immediately

Utah Severe Severe Thunderstorm Warning | Effective 08/30/2026 16:08

At 508 PM MDT, a severe thunderstorm was located 12 miles northeast of Capitol Reef National Park, moving east at 20 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Caineville. This includes Utah Route 24 between mile markers 94 and 105.

Utah Severe Flash Flood Warning | Effective 08/30/2026 16:09

At 509 PM MDT, National Park personnel reported waterfalls in areas north of State Route 24 from earlier thunderstorms producing heavy rain across portions of Capitol Reef National Park. This area includes Sunglow Canyon, Sulphur Creek, Spring Canyon, Cohab Canyon, and Grand Wash. Between 0.5 and 1.0 inches of rain have fallen. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...National Park Service reported.

South Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 16:13

At 513 PM MDT, a severe thunderstorm was located 6 miles southeast of Lemmon, moving east at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Automated observations. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Lemmon, White Butte, Shadehill and Shadehill Reservoir. Seek shelter inside a well-built structure and stay away from windows. This storm has produced damaging winds and is capable of producing large hail.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 15:42

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Southwestern Bottineau County in north central North Dakota... Southern Renville County in north central North Dakota... Ward County in north central North Dakota... * Until 645 PM CDT. * At 542 PM CDT, severe thunderstorms were located along a line from 7 miles northwest of Berthold to 6 miles north of Ryder, or along a line from 26 miles east of Stanley to 23 miles southwest of Minot, moving northeast at 30 mph.

South Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 15:42

SVRUNR The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Northern Perkins County in northwestern South Dakota... * Until 545 PM MDT. * At 442 PM MDT, a severe thunderstorm was located 9 miles east of Lodgepole, or 19 miles southwest of Lemmon, moving east at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Automated observations. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include...

South Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 15:47

At 447 PM MDT, severe thunderstorms were located along a line from over Bison to near Fairpoint, or along a line from 31 miles southwest of Lemmon to 37 miles southwest of Faith, moving east at 45 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Automated observations. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Bison, Meadow, Chance, Maurine, Date, Opal, Usta, Mud Butte, Zeona, Stoneville, Red Owl, Prairie City, Fairpoint, Marcus, Owen Lake and Arrow Head Buttes.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 15:50

At 450 PM MDT, a severe thunderstorm was located 13 miles north of Medora, or 27 miles northeast of Beach, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Beach, Sentinel Butte, Trotters, Fairfield and Elkhorn State Natural Area. Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds.

Utah Severe Severe Thunderstorm Warning | Effective 08/30/2026 15:50

SVRSLC The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for... Central Wayne County in southern Utah... * Until 530 PM MDT. * At 450 PM MDT, a severe thunderstorm was located 10 miles north of Capitol Reef National Park, moving east 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. * Locations impacted include... Capitol Reef National Park, Caineville, and Fruita.

Utah Severe Flash Flood Warning | Effective 08/30/2026 15:52

At 452 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.25 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 creeks, streams, slot canyons, and normally dry washes. Some locations that will experience flash flooding include...

North Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 15:53

At 553 PM CDT, a severe thunderstorm was located near Ryder, or 26 miles northwest of Garrison, moving northeast at 30 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Makoti, Ryder, Rice Lake and Douglas. Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds.
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