Skip to content

Severe Thunderstorm Warning

Status

New Event Expired

Start Time

Tue 08/11/2026 06:47 PM EDT

End Time

Tue 08/11/2026 07:45 PM EDT

Significance

Warning

Storm Location

12 mi S of Marmarth, ND

Storm Motion

Moving SE at 28 mph

Impacts

High impact

Thunderstorm damage threatconsiderable
Hail threatradar indicated
Max hail size1.75 in
Wind threatradar indicated
Max wind gust60 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