Headline:
Severe Thunderstorm Watch issued August 7 at 6:57PM CDT until August 7 at 10:00PM CDT by NWS Des Moines IA
Event:
Severe Thunderstorm Watch
Urgency:
Future
Effective:
August 7, 2026 - 4:57pm
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 12 COUNTIES
IN CENTRAL IOWA
BOONE DALLAS JASPER
MARSHALL POLK POWESHIEK
STORY TAMA
IN SOUTH CENTRAL IOWA
MADISON MAHASKA MARION
WARREN
THIS INCLUDES THE CITIES OF ADEL, AMES, BOONE, CARLISLE,
DES MOINES, DYSART, EARLHAM, GLADBROOK, GRINNELL, INDIANOLA,
KNOXVILLE, MARSHALLTOWN, NEWTON, NORWALK, OSKALOOSA, PELLA,
PERRY, TAMA, TOLEDO, TRAER, WAUKEE, 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:
Boone, IA; Dallas, IA; Jasper, IA; Madison, IA; Mahaska, IA; Marion, IA; Marshall, IA; Polk, IA; Poweshiek, IA; Story, IA; Tama, IA; Warren, IA
Forcast Office:
NWS Des Moines IA
Sender:
w-nws.webmaster@noaa.gov