Iowa Severe Thunderstorm Watch | Effective 04/23/2026 19:03

Headline: 
Severe Thunderstorm Watch issued April 23 at 9:03PM CDT until April 24 at 12:00AM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Watch
Urgency: 
Future
Effective: 
April 23, 2026 - 7:03pm
Expires: 
April 23, 2026 - 10:00pm
Description: 
SEVERE THUNDERSTORM WATCH 138 REMAINS VALID UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 18 COUNTIES IN CENTRAL IOWA GRUNDY JASPER MARSHALL POLK POWESHIEK TAMA IN NORTH CENTRAL IOWA BUTLER IN NORTHEAST IOWA BLACK HAWK BREMER IN SOUTH CENTRAL IOWA APPANOOSE CLARKE DECATUR LUCAS MAHASKA MARION MONROE WARREN WAYNE THIS INCLUDES THE CITIES OF ALBIA, ALLERTON, ALLISON, APLINGTON, CARLISLE, CEDAR FALLS, CENTERVILLE, CHARITON, CLARKSVILLE, CONRAD, CORYDON, DES MOINES, DIKE, DUMONT, DYSART, GLADBROOK, GREENE, GRINNELL, GRUNDY CENTER, HUMESTON, INDIANOLA, KNOXVILLE, LAMONI, LEON, MARSHALLTOWN, NEWTON, NORWALK, OSCEOLA, OSKALOOSA, PARKERSBURG, PELLA, REINBECK, SEYMOUR, SHELL ROCK, TAMA, TOLEDO, TRAER, WATERLOO, WAVERLY, AND WELLSBURG. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY. SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE. A TORNADO OR TWO POSSIBLE.
Area Description: 
Appanoose, IA; Black Hawk, IA; Bremer, IA; Butler, IA; Clarke, IA; Decatur, IA; Grundy, IA; Jasper, IA; Lucas, IA; Mahaska, IA; Marion, IA; Marshall, IA; Monroe, IA; Polk, IA; Poweshiek, IA; Tama, IA; Warren, IA; Wayne, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov