Immediate

Responsive action SHOULD be taken immediately

North Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 03:57

At 557 AM CDT, a severe thunderstorm was located 14 miles northeast of Watford City, moving east at 10 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... Mainly rural areas of North Central McKenzie County. Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 03:36

At 536 AM CDT, a severe thunderstorm was located 12 miles northeast of Watford City, moving east at 10 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... Tobacco Garden Bay Recreation Area. Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 03:13

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... North Central McKenzie County in northwestern North Dakota... * Until 615 AM CDT. * At 513 AM CDT, a severe thunderstorm was located 10 miles north of Watford City, moving east at 10 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... Tobacco Garden Bay Recreation Area.

Nebraska Severe Severe Thunderstorm Warning | Effective 08/30/2026 02:48

SVROAX The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... Colfax County in northeastern Nebraska... Western Dodge County in east central Nebraska... Northeastern Butler County in east central Nebraska... Northwestern Saunders County in east central Nebraska... * Until 530 AM CDT. * At 448 AM CDT, a severe thunderstorm was located near Columbus, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 02:52

At 452 AM CDT, a severe thunderstorm was located 11 miles north of Arnegard, or 14 miles northwest of Watford City, moving east 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... Mainly rural areas of North Central McKenzie and South Central Williams Counties. Seek shelter inside a well-built structure and stay away from

North Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 02:33

At 433 AM CDT, a severe thunderstorm was located 10 miles northeast of Alexander, or 15 miles south of Williston, moving east 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... Mainly rural areas of North Central McKenzie and South Central Williams Counties. Seek shelter inside a well-built structure and stay away from

Guam Severe Flash Flood Warning | Effective 08/30/2026 02:35

FFWGUM The National Weather Service in Tiyan has issued a * Flash Flood Warning for... Southwestern coasts of Guam... * Until 1030 PM ChST. * At 735 PM ChST, Doppler radar indicated heavy rain across the warned area. Additional rainfall amounts of 2 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas,

Nebraska Severe Severe Thunderstorm Warning | Effective 08/30/2026 02:16

SVROAX The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... Southwestern Colfax County in northeastern Nebraska... Southern Platte County in northeastern Nebraska... Northwestern Butler County in east central Nebraska... * Until 500 AM CDT. * At 416 AM CDT, a severe thunderstorm was located 6 miles east of Fullerton, or 23 miles south of Albion, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/30/2026 02:13

SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... North Central McKenzie County in northwestern North Dakota... South Central Williams County in northwestern North Dakota... * Until 515 AM CDT. * At 413 AM CDT, a severe thunderstorm was located 8 miles north of Alexander, or 15 miles south of Williston, moving east 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.

Guam Severe Flash Flood Warning | Effective 08/30/2026 01:24

FFWGUM The National Weather Service in Tiyan has extended the * Flash Flood Warning for... Central Guam... * Until 700 PM ChST. * At 624 PM ChST, Doppler radar indicated heavy rain across the warned area. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas,
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