North Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 20:40

Headline: 
Severe Thunderstorm Warning issued August 11 at 10:40PM CDT until August 11 at 11:15PM CDT by NWS Bismarck ND
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 8:40pm
Expires: 
August 11, 2026 - 9:15pm
Description: 
At 1040 PM CDT, a severe thunderstorm was located 5 miles southeast of Mandan, or near Bismarck, 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... Bismarck, Mandan, Lincoln, Menoken, St. Anthony, University Of Mary, Fort Abraham Lincoln State Park, Mcdowell Dam Recreation Area, Huff, Double Ditch Indian Village, Stumpf State Natural Area and Crown Butte Lake.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.
Area Description: 
Burleigh, ND; Emmons, ND; Morton, ND
Forcast Office: 
NWS Bismarck ND
Sender: 
w-nws.webmaster@noaa.gov