Iowa Severe Thunderstorm Warning | Effective 05/17/2026 20:49

Headline: 
Severe Thunderstorm Warning issued May 17 at 10:49PM CDT until May 17 at 11:45PM CDT by NWS La Crosse WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 17, 2026 - 8:49pm
Expires: 
May 17, 2026 - 9:45pm
Description: 
SVRARX The National Weather Service in La Crosse has issued a * Severe Thunderstorm Warning for... Howard County in northeastern Iowa... Chickasaw County in northeastern Iowa... * Until 1145 PM CDT. * At 1049 PM CDT, severe thunderstorms were located along a line extending from near Brownsdale to near Osage to 6 miles southwest of Greene, moving east at 60 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Severe thunderstorms will be near... Riceville and Elma around 1100 PM CDT. Nashua and Ionia around 1105 PM CDT. Lime Springs around 1110 PM CDT. New Hampton and Jerico around 1115 PM CDT. Cresco around 1120 PM CDT. Fredericksburg, Lawler, and Protivin 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: 
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. A Tornado Watch remains in effect until 100 AM CDT for northeastern Iowa.
Area Description: 
Chickasaw, IA; Howard, IA
Forcast Office: 
NWS La Crosse WI
Sender: 
w-nws.webmaster@noaa.gov