Severe Thunderstorm Warning
Status
New Event ExpiredStart Time
Tue 08/11/2026 06:47 PM EDTEnd Time
Tue 08/11/2026 07:45 PM EDTSignificance
WarningStorm Location
12 mi S of Marmarth, NDStorm Motion
Moving SE at 28 mphImpacts
High impact
| Thunderstorm damage threat | considerable |
| Hail threat | radar indicated |
| Max hail size | 1.75 in |
| Wind threat | radar indicated |
| Max wind gust | 60 mph |
Full Alert Message
BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Bismarck ND Issued by National Weather Service Grand Forks ND 447 PM MDT Tue Aug 11 2026 The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Southwestern Bowman County in southwestern North Dakota... * Until 545 PM MDT. * At 447 PM MDT, a severe thunderstorm was located 8 miles west of Sunset Butte, or 21 miles southeast of Baker, moving southeast 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... Mud Buttes and Sunset Butte. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4622 10404 4625 10401 4625 10400 4606 10332 4595 10352 4594 10404 TIME...MOT...LOC 2247Z 305DEG 24KT 4613 10399 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH