⚠️ Severe Thunderstorm Warning – Big Stone, MN; Grant, SD; Roberts, SD – Friday, August 7, 2026

Severe Thunderstorm Warning issued August 7 at 5:06AM CDT until August 7 at 5:45AM CDT by NWS Aberdeen SD

Details

SVRABR

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for…
West Central Big Stone County in west central Minnesota…
Northwestern Grant County in northeastern South Dakota…
Southwestern Roberts County in northeastern South Dakota…

* Until 545 AM CDT.

* At 506 AM CDT, a severe thunderstorm was located near Summit, or 10
miles west of Wilmot, moving east at 25 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.

* This severe thunderstorm will be near…
Summit, Finley Heights Housing and Rudebusch Corner around 510 AM
CDT.
Wilmot around 530 AM CDT.
Corona and Bonanza Grove around 540 AM CDT.

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.