Iowa, Minnesota Severe Thunderstorm Warning | Effective 05/17/2026 15:13

Headline: 
Severe Thunderstorm Warning issued May 17 at 5:13PM CDT until May 17 at 5:45PM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 17, 2026 - 3:13pm
Expires: 
May 17, 2026 - 3:45pm
Description: 
At 513 PM CDT, severe thunderstorms were located along a line extending from Beaver Creek to near Hills to Alvord, moving northeast at 40 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Luverne, Rock Rapids, Blue Mounds State Park, Ellsworth, Adrian, Lismore and Little Rock.
Instruction: 
A Tornado Watch remains in effect until 1000 PM CDT for northwestern Iowa...and southwestern Minnesota. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Lyon, IA; Nobles, MN; Rock, MN
Forcast Office: 
NWS Sioux Falls SD