⚠️ Severe Thunderstorm Warning – Dewey, SD; Stanley, SD; Sully, SD – Monday, August 17, 2026

Severe Thunderstorm Warning issued August 17 at 4:52PM CDT until August 17 at 5:45PM CDT by NWS Aberdeen SD

Details

SVRABR

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for…
Northwestern Stanley County in central South Dakota…
Western Sully County in central South Dakota…
Southeastern Dewey County in north central South Dakota…

* Until 545 PM CDT /445 PM MDT/.

* At 452 PM CDT /352 PM MDT/, severe thunderstorms were located along
a line from 6 miles south of Parade to 30 miles south of Lantry, or
along a line from 9 miles southeast of Eagle Butte to 30 miles
south of Lantry, moving east at 35 mph.

HAZARD…70 mph wind gusts and quarter size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.

* This severe thunderstorm will be near…
Mission Ridge, Little Bend Rec Area and Sansarc around 530 PM CDT.
Bush’s Landing around 540 PM CDT.

Instructions

Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. These storms are capable of producing
widespread damaging winds and large hail.

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