North Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 19:49

Headline: 
Severe Thunderstorm Warning issued August 11 at 9:49PM CDT until August 11 at 10:30PM CDT by NWS Bismarck ND
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 7:49pm
Expires: 
August 11, 2026 - 8:30pm
Description: 
SVRBIS The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Northeastern Morton County in south central North Dakota... * Until 1030 PM CDT. * At 949 PM CDT, a severe thunderstorm was located over Almont, or 28 miles west of Mandan, moving east at 30 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. * Locations impacted include... New Salem, Almont, St. Anthony, Judson, Fish Creek Dam, Sweet Briar Lake and Crown Butte Lake.
Instruction: 
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail and damaging winds.
Area Description: 
Morton, ND
Forcast Office: 
NWS Bismarck ND
Sender: 
w-nws.webmaster@noaa.gov