Immediate

Responsive action SHOULD be taken immediately

South Dakota Severe Severe Thunderstorm Warning | Effective 08/29/2026 18:07

SVRABR The National Weather Service in Aberdeen has issued a * Severe Thunderstorm Warning for... Northwestern Hand County in central South Dakota... Northeastern Hyde County in central South Dakota... Southwestern Faulk County in north central South Dakota... * Until 900 PM CDT. * At 807 PM CDT, a severe thunderstorm was located 8 miles south of Seneca, or 17 miles west of Faulkton, moving east at 15 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/29/2026 18:10

At 810 PM CDT, a severe thunderstorm was located over Venturia, or 40 miles southeast of Linton, moving northeast at 15 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... Ashley, Venturia and Danzig. Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

Arizona Severe Severe Thunderstorm Warning | Effective 08/29/2026 18:14

SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... South Central Pima County in southeastern Arizona... * Until 700 PM MST. * At 614 PM MST, a severe thunderstorm was located near San Miguel, moving west at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... San Miguel, Vamori, South Komelik, Cowlic, Choulic, Coldfields, Itak and Hashan Chuchg.

Arizona Severe Flash Flood Warning | Effective 08-29-2026 17:49

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... West Central Graham County in southeastern Arizona... East Central Pinal County in southeastern Arizona... * Until 1045 PM MST. * At 549 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 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.

Arizona Severe Flash Flood Warning | Effective 08/29/2026 17:49

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... West Central Graham County in southeastern Arizona... East Central Pinal County in southeastern Arizona... * Until 1045 PM MST. * At 549 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 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.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/29/2026 17:51

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Southeastern McIntosh County in southeastern North Dakota... * Until 845 PM CDT. * At 751 PM CDT, a severe thunderstorm was located 5 miles south of Venturia, or 40 miles southeast of Linton, moving northeast at 15 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

South Dakota Severe Severe Thunderstorm Warning | Effective 08/29/2026 17:51

At 751 PM CDT, a severe thunderstorm was located 10 miles northeast of Eureka, moving northeast at 15 mph. HAZARD...Golf 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. This severe thunderstorm will remain over mainly rural areas of Northwestern McPherson County. Anyone outdoors should move to shelter inside a well-built structure

South Dakota Severe Severe Thunderstorm Warning | Effective 08/29/2026 17:58

SVRABR The National Weather Service in Aberdeen has issued a * Severe Thunderstorm Warning for... East Central Dewey County in north central South Dakota... Potter County in north central South Dakota... Southeastern Walworth County in north central South Dakota... * Until 845 PM CDT /745 PM MDT/. * At 758 PM CDT /658 PM MDT/, a severe thunderstorm was located 7 miles northeast of Whitlocks Bay Rec Area, or 14 miles northwest of Gettysburg, moving east at 35 mph. HAZARD...Golf ball size hail and 60 mph wind gusts.

Arizona Severe Flash Flood Warning | Effective 08-29-2026 17:37

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... The Paria River in... Coconino County in north central Arizona... * Until 830 PM MST. * At 537 PM MST, Heavy rain that occurred earlier in Utah produced a gage rise of nearly 3 feet along the Paria River just north of the Arizona border. As a result, this flood wave will move through the slot canyon area of the northern Paria River. HAZARD...Life threatening flash flooding. SOURCE...Radar indicated.

Arizona Severe Flash Flood Warning | Effective 08-29-2026 17:41

FFWFGZ The National Weather Service in Flagstaff has extended the * Flash Flood Warning for... The Bright Angel Creek Basin below the Dragon Bravo Fire scar in... Coconino County in north central Arizona... * Until 745 PM MST. * At 541 PM MST, Heavy rain from earlier has produced flash flooding along Bright Angel Creek in the area of Phantom Ranch and the Transept. Heavy creek flow in ongoing. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Bright Angel Creek Basin
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