⚠️ Severe Thunderstorm Warning – Lyon, IA; O’Brien, IA; Osceola, IA; Plymouth, IA; Sioux, IA; Nobles, MN; Rock, MN; Clay, SD; Lincoln, SD; Union, SD – Wednesday, June 17, 2026

Severe Thunderstorm Warning issued June 17 at 5:10PM CDT until June 17 at 6:00PM 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…
Northern Plymouth County in northwestern Iowa…
Western O’Brien County in northwestern Iowa…
Rock County in southwestern Minnesota…
Southern Nobles County in southwestern Minnesota…
Northern Clay County in southeastern South Dakota…
Lincoln County in southeastern South Dakota…
Northern Union County in southeastern South Dakota…

* Until 600 PM CDT.

* At 509 PM CDT, severe thunderstorms were located along a line
extending from near Luverne to near Canton to near Centerville,
moving southeast at 60 mph.

HAZARD…60 mph wind gusts.

SOURCE…Mesonet. At 452 PM CDT, a 57 mph wind gust was reported 3
miles east southeast of Parker, SD.

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

* Severe thunderstorms will be near…
Canton, Rock Rapids, Beresford, Inwood, Lester, Alvord, Fairview,
and Newton Hills State Park around 515 PM CDT.
Rock Valley, Alcester, Doon, Ellsworth, and Hudson around 520 PM
CDT.
Hawarden and George around 525 PM CDT.

Other locations in the path of these severe thunderstorms include
Sioux Center, Hull, Little Rock, Sibley, Boyden, Ireton, Ashton,
Matlock, Orange City, Sheldon, Maurice, Craig, Alton, Hospers,
Melvin, Struble, Le Mars, Sanborn, Granville and Archer.

Instructions

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

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

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