Iowa Severe Thunderstorm Warning | Effective 05/17/2026 21:20

Headline: 
Severe Thunderstorm Warning issued May 17 at 11:20PM CDT until May 17 at 11:45PM CDT by NWS La Crosse WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 17, 2026 - 9:20pm
Expires: 
May 17, 2026 - 9:45pm
Description: 
At 1119 PM CDT, severe thunderstorms were located along a line extending from near Lime Springs to 8 miles southwest of Cresco to 7 miles east of Nashua, moving northeast at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Cresco, New Hampton, Fredericksburg, Lawler, Protivin, and Jerico around 1125 PM CDT. Other locations impacted by these severe thunderstorms include Vernon Springs County Park, Vernon Springs, Bradford, Chickasaw, County Roads V 58 And A 46, New Hampton Airport, and County Roads B 28 And V 18.
Instruction: 
A Tornado Watch remains in effect until 100 AM CDT for northeastern Iowa. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Chickasaw, IA; Howard, IA
Forcast Office: 
NWS La Crosse WI
Sender: 
w-nws.webmaster@noaa.gov