⚠️ Severe Thunderstorm Warning – Tripp, SD – Wednesday, August 12, 2026

Severe Thunderstorm Warning issued August 12 at 1:04AM CDT until August 12 at 1:30AM CDT by NWS Rapid City SD

Details

SVRUNR

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for…
Southeastern Tripp County in south central South Dakota…

* Until 130 AM CDT.

* At 104 AM CDT, severe thunderstorms were located along a line from
9 miles north of Colome to 20 miles south of Keyapaha, or along a
line from 9 miles east of Winner to 41 miles south of Winner,
moving southeast at 45 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.

* Locations impacted include…
Winner, Colome, Millboro, Wewela, Ideal South Housing and Dog Ear
Lake.

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 storm has a history of producing damaging winds.

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