Iowa Severe Thunderstorm Watch | Effective 05/15/2026 17:38

Headline: 
Severe Thunderstorm Watch issued May 15 at 7:38PM CDT until May 16 at 1:00AM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Watch
Urgency: 
Future
Effective: 
May 15, 2026 - 5:38pm
Expires: 
May 15, 2026 - 11:00pm
Description: 
THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM WATCH 205 TO INCLUDE THE FOLLOWING AREAS UNTIL 1 AM CDT SATURDAY IN IOWA THIS WATCH INCLUDES 7 COUNTIES IN CENTRAL IOWA POWESHIEK IN SOUTH CENTRAL IOWA CLARKE LUCAS MAHASKA MARION MONROE IN SOUTHEAST IOWA WAPELLO THIS INCLUDES THE CITIES OF ALBIA, CHARITON, GRINNELL, KNOXVILLE, OSCEOLA, OSKALOOSA, OTTUMWA, AND PELLA. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80 MPH LIKELY. SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3.5 INCHES IN DIAMETER LIKELY. A TORNADO OR TWO POSSIBLE.
Area Description: 
Clarke, IA; Lucas, IA; Mahaska, IA; Marion, IA; Monroe, IA; Poweshiek, IA; Wapello, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov