⚠️ Severe Thunderstorm Warning – Lyon, IA; O’Brien, IA; Osceola, IA; Sioux, IA; Cottonwood, MN; Jackson, MN; Murray, MN; Nobles, MN; Pipestone, MN; Rock, MN – Sunday, June 28, 2026

Severe Thunderstorm Warning issued June 28 at 5:00AM CDT until June 28 at 6:00AM CDT by NWS Sioux Falls SD

Details

SVRFSD

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for…
Lyon County in northwestern Iowa…
Osceola County in northwestern Iowa…
Sioux County in northwestern Iowa…
O’Brien County in northwestern Iowa…
Rock County in southwestern Minnesota…
Western Jackson County in southwestern Minnesota…
Nobles County in southwestern Minnesota…
Southern Murray County in southwestern Minnesota…
Southeastern Pipestone County in southwestern Minnesota…
Southwestern Cottonwood County in southwestern Minnesota…

* Until 600 AM CDT.

* At 459 AM CDT, severe thunderstorms were located along a line
extending from near Edgerton to near Rock Rapids to Alcester,
moving east at 50 mph.

HAZARD…70 mph wind gusts and nickel size hail.

SOURCE…Radar indicated.

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

* Severe thunderstorms will be near…
Rock Rapids, Hawarden, Rock Valley, Adrian, Doon, Ellsworth,
Leota, Chandler, Lismore, and Alvord around 505 AM CDT.
George and Wilmont around 510 AM CDT.
Hull, Little Rock, and Rushmore around 515 AM CDT.

Other locations in the path of these severe thunderstorms include
Sioux Center, Slayton, Worthington, Fulda, Sibley, Boyden, Matlock,
Brewster, Ashton, Sheldon and Round Lake.

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.