⚠️ Severe Thunderstorm Warning – Lyon, IA; Sioux, IA; Lincoln, SD; Minnehaha, SD – Monday, September 7, 2026

Severe Thunderstorm Warning issued September 7 at 11:42PM CDT until September 8 at 12:30AM CDT by NWS Sioux Falls SD

Details

SVRFSD

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for…
Western Lyon County in northwestern Iowa…
Northwestern Sioux County in northwestern Iowa…
Southeastern Minnehaha County in southeastern South Dakota…
Eastern Lincoln County in southeastern South Dakota…

* Until 1230 AM CDT.

* At 1142 PM CDT, a severe thunderstorm was located near Canton,
moving east at 35 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

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

* This severe thunderstorm will be near…
Canton, Inwood, Newton Hills State Park, and Lake Alvin State
Recreation Area around 1145 PM CDT.
Larchwood around 1150 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.