Iowa, Minnesota Severe Severe Thunderstorm Watch | Effective 09/01/2026 19:51

Headline: 
Severe Thunderstorm Watch issued September 1 at 9:51PM CDT until September 2 at 5:00AM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Watch
Urgency: 
Future
Effective: 
September 1, 2026 - 7:51pm
Expires: 
September 2, 2026 - 3:00am
Description: 
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 640 IN EFFECT UNTIL 5 AM CDT WEDNESDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST IOWA BUENA VISTA CLAY DICKINSON O'BRIEN OSCEOLA IN MINNESOTA THIS WATCH INCLUDES 3 COUNTIES IN SOUTHWEST MINNESOTA COTTONWOOD JACKSON NOBLES THIS INCLUDES THE CITIES OF ARNOLDS PARK, HARTLEY, JACKSON, LAKEFIELD, MILFORD, MOUNTAIN LAKE, SANBORN, SHELDON, SIBLEY, SPENCER, SPIRIT LAKE, STORM LAKE, WINDOM, AND WORTHINGTON.
Area Description: 
Buena Vista, IA; Clay, IA; Dickinson, IA; O'Brien, IA; Osceola, IA; Cottonwood, MN; Jackson, MN; Nobles, MN
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov