North Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 17:59

Headline: 
Severe Thunderstorm Warning issued August 11 at 7:59PM CDT until August 11 at 8:30PM CDT by NWS Bismarck ND
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 5:59pm
Expires: 
August 11, 2026 - 6:30pm
Description: 
At 759 PM CDT, a severe thunderstorm was located 9 miles west of St. Anthony, or 16 miles southwest of Mandan, moving east at 25 mph. HAZARD...Two inch hail and 60 mph wind gusts. SOURCE...Broadcast media reported 2 inch diameter hail north of Flasher. 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... St. Anthony and Fish Creek Dam.
Instruction: 
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm has produced dangerous hail and is capable of producing damaging winds.
Area Description: 
Morton, ND
Forcast Office: 
NWS Bismarck ND
Sender: 
w-nws.webmaster@noaa.gov