Headline:
Severe Thunderstorm Watch issued June 17 at 8:21AM CDT until June 17 at 11:00AM CDT by NWS Des Moines IA
Event:
Severe Thunderstorm Watch
Urgency:
Future
Effective:
June 17, 2026 - 6:21am
Expires:
June 17, 2026 - 9:00am
Description:
SEVERE THUNDERSTORM WATCH 339 REMAINS VALID UNTIL 11 AM CDT THIS
MORNING FOR THE FOLLOWING AREAS
IN IOWA THIS WATCH INCLUDES 20 COUNTIES
IN CENTRAL IOWA
GRUNDY HAMILTON HARDIN
JASPER MARSHALL POLK
POWESHIEK STORY TAMA
IN NORTHEAST IOWA
BLACK HAWK
IN SOUTH CENTRAL IOWA
APPANOOSE CLARKE LUCAS
MAHASKA MARION MONROE
WARREN WAYNE
IN SOUTHEAST IOWA
DAVIS WAPELLO
THIS INCLUDES THE CITIES OF ACKLEY, ALBIA, ALLERTON, AMES,
BLOOMFIELD, CARLISLE, CEDAR FALLS, CENTERVILLE, CHARITON, CONRAD,
CORYDON, DES MOINES, DIKE, DYSART, ELDORA, GLADBROOK, GRINNELL,
GRUNDY CENTER, HUMESTON, INDIANOLA, IOWA FALLS, KNOXVILLE,
MARSHALLTOWN, NEWTON, NORWALK, OSCEOLA, OSKALOOSA, OTTUMWA,
PELLA, REINBECK, SEYMOUR, TAMA, TOLEDO, TRAER, WATERLOO,
WEBSTER CITY, AND WELLSBURG.
* PRIMARY THREATS INCLUDE...
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
INCHES IN DIAMETER POSSIBLE.
SCATTERED DAMAGING WIND GUSTS TO 60 MPH POSSIBLE.
A TORNADO OR TWO POSSIBLE.
Area Description:
Appanoose, IA; Black Hawk, IA; Clarke, IA; Davis, IA; Grundy, IA; Hamilton, IA; Hardin, IA; Jasper, IA; Lucas, IA; Mahaska, IA; Marion, IA; Marshall, IA; Monroe, IA; Polk, IA; Poweshiek, IA; Story, IA; Tama, IA; Wapello, IA; Warren, IA; Wayne, IA
Forcast Office:
NWS Des Moines IA
Sender:
w-nws.webmaster@noaa.gov