Iowa Severe Thunderstorm Watch | Effective 05/15/2026 18:46

Headline: 
Severe Thunderstorm Watch issued May 15 at 8:46PM CDT until May 16 at 1:00AM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Watch
Urgency: 
Future
Effective: 
May 15, 2026 - 6:46pm
Expires: 
May 15, 2026 - 11:00pm
Description: 
SEVERE THUNDERSTORM WATCH 205 REMAINS VALID UNTIL 1 AM CDT SATURDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 9 COUNTIES IN NORTHWEST IOWA BUENA VISTA CHEROKEE CLAY DICKINSON O'BRIEN OSCEOLA PLYMOUTH IN WEST CENTRAL IOWA IDA WOODBURY THIS INCLUDES THE CITIES OF ARNOLDS PARK, BATTLE CREEK, CHEROKEE, HARTLEY, HOLSTEIN, IDA GROVE, LE MARS, MILFORD, SANBORN, SHELDON, SIBLEY, SIOUX CITY, SPENCER, SPIRIT LAKE, AND STORM LAKE.
Area Description: 
Buena Vista, IA; Cherokee, IA; Clay, IA; Dickinson, IA; Ida, IA; O'Brien, IA; Osceola, IA; Plymouth, IA; Woodbury, IA
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov