⚠️ Severe Thunderstorm Warning – Corson, SD; Dewey, SD – Sunday, July 19, 2026

Severe Thunderstorm Warning issued July 19 at 7:33PM CDT until July 19 at 8:15PM CDT by NWS Aberdeen SD

Details

SVRABR

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for…
Southeastern Corson County in north central South Dakota…
Northwestern Dewey County in north central South Dakota…

* Until 715 PM MDT.

* At 633 PM MDT, a severe thunderstorm was located 9 miles north of
Firesteel, or 12 miles northwest of Timber Lake, moving east at 25
mph.

HAZARD…60 mph wind gusts and small hail.

SOURCE…Trained spotters reported. At 624 PM MDT, a gust of 59
miles per hour was recorded on the SDDOT Mesonet Station
13 miles north of Isabel.

IMPACT…Expect damage to roofs, siding, and trees.

* This severe thunderstorm will be near…
Timber Lake around 700 PM MDT.
Glencross around 710 PM MDT.

Instructions

Seek shelter inside a well-built structure and stay away from
windows. This storm has produced damaging winds.

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