⚠️ Severe Thunderstorm Warning – Hutchinson, SD; Turner, SD; Yankton, SD – Thursday, August 20, 2026

Severe Thunderstorm Warning issued August 20 at 7:30PM CDT until August 20 at 8:15PM CDT by NWS Sioux Falls SD

Details

SVRFSD

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for…
Northern Yankton County in southeastern South Dakota…
Southwestern Turner County in southeastern South Dakota…
Southeastern Hutchinson County in southeastern South Dakota…

* Until 815 PM CDT.

* At 730 PM CDT, a severe thunderstorm was located near Menno, or 19
miles northeast of Tyndall, moving southeast at 30 mph.

HAZARD…60 mph wind gusts and half dollar size hail.

SOURCE…Radar indicated.

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

* This severe thunderstorm will be near…
Mayfield around 745 PM CDT.

Instructions

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Sioux Falls.

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