Iowa, Minnesota Severe Severe Thunderstorm Watch | Effective 08/18/2026 16:48

Headline: 
Severe Thunderstorm Watch issued August 18 at 6:48PM CDT until August 19 at 12:00AM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Watch
Urgency: 
Future
Effective: 
August 18, 2026 - 4:48pm
Expires: 
August 18, 2026 - 10:00pm
Description: 
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 597 IN EFFECT UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 6 COUNTIES IN NORTHWEST IOWA BUENA VISTA CHEROKEE CLAY DICKINSON O'BRIEN OSCEOLA IN MINNESOTA THIS WATCH INCLUDES 2 COUNTIES IN SOUTHWEST MINNESOTA JACKSON NOBLES THIS INCLUDES THE CITIES OF ARNOLDS PARK, CHEROKEE, HARTLEY, JACKSON, LAKEFIELD, MILFORD, SANBORN, SHELDON, SIBLEY, SPENCER, SPIRIT LAKE, STORM LAKE, AND WORTHINGTON.
Area Description: 
Buena Vista, IA; Cherokee, IA; Clay, IA; Dickinson, IA; O'Brien, IA; Osceola, IA; Jackson, MN; Nobles, MN
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov