Headline:
Severe Thunderstorm Watch issued August 7 at 4:26PM CDT until August 7 at 10:00PM CDT by NWS Des Moines IA
Event:
Severe Thunderstorm Watch
Urgency:
Future
Effective:
August 7, 2026 - 2:26pm
Expires:
August 7, 2026 - 8:00pm
Description:
SEVERE THUNDERSTORM WATCH 541 REMAINS VALID UNTIL 10 PM CDT THIS
EVENING FOR THE FOLLOWING AREAS
IN IOWA THIS WATCH INCLUDES 22 COUNTIES
IN CENTRAL IOWA
BOONE DALLAS GRUNDY
HAMILTON HARDIN JASPER
MARSHALL POLK POWESHIEK
STORY TAMA WEBSTER
IN NORTH CENTRAL IOWA
BUTLER FRANKLIN HUMBOLDT
WRIGHT
IN NORTHEAST IOWA
BLACK HAWK BREMER
IN SOUTH CENTRAL IOWA
MADISON MAHASKA MARION
WARREN
THIS INCLUDES THE CITIES OF ACKLEY, ADEL, ALLISON, AMES,
APLINGTON, BELMOND, BOONE, CARLISLE, CEDAR FALLS, CLARION,
CLARKSVILLE, CONRAD, DES MOINES, DIKE, DUMONT, DYSART,
EAGLE GROVE, EARLHAM, ELDORA, FORT DODGE, GLADBROOK, GREENE,
GRINNELL, GRUNDY CENTER, HAMPTON, HUMBOLDT, INDIANOLA,
IOWA FALLS, KNOXVILLE, MARSHALLTOWN, NEWTON, NORWALK, OSKALOOSA,
PARKERSBURG, PELLA, PERRY, REINBECK, SHELL ROCK, TAMA, TOLEDO,
TRAER, WATERLOO, WAUKEE, WAVERLY, WEBSTER CITY, WELLSBURG,
AND WINTERSET.
* PRIMARY THREATS INCLUDE...
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE.
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE.
Area Description:
Black Hawk, IA; Boone, IA; Bremer, IA; Butler, IA; Dallas, IA; Franklin, IA; Grundy, IA; Hamilton, IA; Hardin, IA; Humboldt, IA; Jasper, IA; Madison, IA; Mahaska, IA; Marion, IA; Marshall, IA; Polk, IA; Poweshiek, IA; Story, IA; Tama, IA; Warren, IA; Webster, IA; Wright, IA
Forcast Office:
NWS Des Moines IA
Sender:
w-nws.webmaster@noaa.gov