⚠️ Severe Thunderstorm Warning – Grant, ND; Morton, ND – Tuesday, August 11, 2026

Severe Thunderstorm Warning issued August 11 at 9:15PM CDT until August 11 at 10:00PM CDT by NWS Bismarck ND

Details

SVRBIS

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for…
Northwestern Grant County in south central North Dakota…
Northwestern Morton County in south central North Dakota…

* Until 1000 PM CDT /900 PM MDT/.

* At 915 PM CDT /815 PM MDT/, a severe thunderstorm was located near
Heart Butte Dam, or 43 miles south of Beulah, moving east at 20
mph.

HAZARD…Ping pong 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…
Carson and Heart Butte Dam.

Instructions

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.