⚠️ Severe Thunderstorm Warning – Adams, ND; Grant, ND; Hettinger, ND; Sioux, ND – Tuesday, August 11, 2026

Severe Thunderstorm Warning issued August 10 at 11:18PM MDT until August 11 at 12:00AM MDT by NWS Bismarck ND

Details

SVRBIS

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for…
Southwestern Sioux County in south central North Dakota…
Southeastern Hettinger County in southwestern North Dakota…
Southwestern Grant County in south central North Dakota…
Southeastern Adams County in southwestern North Dakota…

* Until midnight MDT.

* At 1117 PM MDT, a severe thunderstorm was located 8 miles south of
Bentley, or 19 miles north of Lemmon, moving southeast at 30 mph.

HAZARD…60 mph wind gusts and quarter size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Locations impacted include…
Lemmon and North Lemmon.

Instructions

For your protection move to an interior room on the lowest floor of a
building.

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