Iowa Tornado Watch | Effective 05/18/2026 17:49

Headline: 
Tornado Watch issued May 18 at 7:49PM CDT until May 18 at 10:00PM CDT by NWS Des Moines IA
Event: 
Tornado Watch
Urgency: 
Future
Effective: 
May 18, 2026 - 5:49pm
Expires: 
May 18, 2026 - 8:00pm
Description: 
THE NATIONAL WEATHER SERVICE HAS EXTENDED TORNADO WATCH 225 TO INCLUDE THE FOLLOWING AREAS UNTIL 10 PM CDT THIS EVENING IN IOWA THIS WATCH INCLUDES 11 COUNTIES IN CENTRAL IOWA JASPER MARSHALL POLK POWESHIEK TAMA IN SOUTH CENTRAL IOWA MADISON MAHASKA MARION WARREN IN SOUTHEAST IOWA DAVIS WAPELLO THIS INCLUDES THE CITIES OF BLOOMFIELD, CARLISLE, DES MOINES, DYSART, EARLHAM, GLADBROOK, GRINNELL, INDIANOLA, KNOXVILLE, MARSHALLTOWN, NEWTON, NORWALK, OSKALOOSA, OTTUMWA, PELLA, TAMA, TOLEDO, TRAER, AND WINTERSET. * PRIMARY THREATS INCLUDE... A FEW TORNADOES AND A COUPLE INTENSE TORNADOES LIKELY. WIDESPREAD DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80 MPH LIKELY. SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER LIKELY.
Area Description: 
Davis, IA; Jasper, IA; Madison, IA; Mahaska, IA; Marion, IA; Marshall, IA; Polk, IA; Poweshiek, IA; Tama, IA; Wapello, IA; Warren, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov