North Dakota Special Weather Statement - [Severity] | Effective 05/21/2026 18:06

Headline: 
Special Weather Statement issued May 21 at 8:06PM CDT by NWS Bismarck ND
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
May 21, 2026 - 6:06pm
Expires: 
May 21, 2026 - 6:30pm
Description: 
At 805 PM CDT/705 PM MDT/, Doppler radar was tracking a strong thunderstorm 9 miles northwest of Heart Butte Dam, or 40 miles east of Dickinson, moving north at 30 mph. HAZARD...Wind gusts up to 40 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Glen Ullin.
Instruction: 
If outdoors, consider seeking shelter inside a building. Very heavy rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Grant; Western Morton
Forcast Office: 
NWS Bismarck ND