Iowa, Minnesota Severe Thunderstorm Watch | Effective 05/15/2026 15:18

Headline: 
Severe Thunderstorm Watch issued May 15 at 5:18PM CDT until May 16 at 1:00AM CDT by NWS La Crosse WI
Event: 
Severe Thunderstorm Watch
Urgency: 
Future
Effective: 
May 15, 2026 - 3:18pm
Expires: 
May 15, 2026 - 11:00pm
Description: 
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 205 IN EFFECT UNTIL 1 AM CDT SATURDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 8 COUNTIES IN NORTH CENTRAL IOWA FLOYD MITCHELL IN NORTHEAST IOWA ALLAMAKEE CHICKASAW CLAYTON FAYETTE HOWARD WINNESHIEK IN MINNESOTA THIS WATCH INCLUDES 6 COUNTIES IN SOUTHEAST MINNESOTA DODGE FILLMORE HOUSTON MOWER OLMSTED WINONA THIS INCLUDES THE CITIES OF AUSTIN, CALEDONIA, CHARLES CITY, CRESCO, DECORAH, DODGE CENTER, ELKADER, NEW HAMPTON, OELWEIN, OSAGE, PRESTON, ROCHESTER, WAUKON, AND WINONA.
Area Description: 
Allamakee, IA; Chickasaw, IA; Clayton, IA; Fayette, IA; Floyd, IA; Howard, IA; Mitchell, IA; Winneshiek, IA; Dodge, MN; Fillmore, MN; Houston, MN; Mower, MN; Olmsted, MN; Winona, MN
Forcast Office: 
NWS La Crosse WI
Sender: 
w-nws.webmaster@noaa.gov