Iowa, Minnesota Severe Thunderstorm Warning | Effective 05/17/2026 15:52

Headline: 
Severe Thunderstorm Warning issued May 17 at 5:52PM CDT until May 17 at 6:45PM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 17, 2026 - 3:52pm
Expires: 
May 17, 2026 - 4:45pm
Description: 
At 551 PM CDT, severe thunderstorms were located along a line extending from Lismore to near Adrian to near Little Rock, moving east at 35 mph. HAZARD...Golf ball size hail and 70 mph wind gusts. SOURCE...Law enforcement. At 551 PM CDT, golf ball sized hail was reported near Adrian, MN. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. These severe storms will be near... Little Rock, Rushmore, Wilmont, and Lismore around 555 PM CDT. Other locations in the path of these severe thunderstorms include Worthington, Fulda, Brewster and Round Lake.
Instruction: 
A Tornado Watch remains in effect until 1000 PM CDT for northwestern Iowa...and southwestern Minnesota. Prepare immediately for large hail and damaging winds. People outside should move to a shelter, inside a strong building and away from windows.
Area Description: 
Lyon, IA; Osceola, IA; Murray, MN; Nobles, MN; Rock, MN
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov