⚠️ Severe Thunderstorm Warning – Lyon, IA; Pipestone, MN; Rock, MN; Lake, SD; Lincoln, SD; McCook, SD; Minnehaha, SD; Moody, SD; Turner, SD – Wednesday, July 1, 2026

Severe Thunderstorm Warning issued July 1 at 3:40AM CDT until July 1 at 4:45AM CDT by NWS Sioux Falls SD

Details

SVRFSD

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for…
Northwestern Lyon County in northwestern Iowa…
Rock County in southwestern Minnesota…
Pipestone County in southwestern Minnesota…
Moody County in east central South Dakota…
Lake County in east central South Dakota…
Minnehaha County in southeastern South Dakota…
Northern Lincoln County in southeastern South Dakota…
Northeastern McCook County in southeastern South Dakota…
Eastern Turner County in southeastern South Dakota…

* Until 445 AM CDT.

* At 340 AM CDT, severe thunderstorms were located along a line
extending from 6 miles north of Farmer to near Montrose to Hurley,
moving northeast at 60 mph.

HAZARD…70 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.

* Severe thunderstorms will be near…
Hartford, Lennox, Salem, Wall Lake, Humboldt, Montrose, and
Chancellor around 345 AM CDT.
Sioux Falls, Tea, Crooks, Colton, Orland, Ellis, and Lyons around
350 AM CDT.
Harrisburg, Baltic, and Renner around 355 AM CDT.
Lake Herman State Park, Brandon, Chester, Lake Alvin State
Recreation Area, and Dell Rapids around 400 AM CDT.

Other locations in the path of these severe thunderstorms include
Madison, Trent, Wentworth, Corson, Rowena, Garretson, Valley Springs,
Colman, Sherman, Palisades State Park, Hills, Jasper, Beaver Creek,
Egan, Pipestone, Flandreau and Nunda.

Instructions

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

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