August 21, 2026

Midwest Storm Chasers

Live Weather Coverage & Severe Storm Reporting

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

Event Severe Thunderstorm Warning
Severity Severe
Urgency Immediate
Certainty Observed
Area Bon Homme, SD; Hutchinson, SD; Turner, SD; Yankton, SD
Effective 8/20/2026, 6:41:00 PM CDT
Expires 8/20/2026, 7:30:00 PM CDT

Severe Thunderstorm Warning issued August 20 at 6:41PM CDT until August 20 at 7:30PM CDT by NWS Sioux Falls SD

Details

SVRFSD

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for…
Northeastern Bon Homme County in southeastern South Dakota…
Northwestern Yankton County in southeastern South Dakota…
West central Turner County in southeastern South Dakota…
Southeastern Hutchinson County in southeastern South Dakota…

* Until 730 PM CDT.

* At 640 PM CDT, a severe thunderstorm was located near Kaylor, or 12
miles southeast of Parkston, moving east at 35 mph.

HAZARD…60 mph wind gusts and quarter 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…
Scotland and Menno around 645 PM CDT.

Instructions

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


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