Iowa Severe Severe Thunderstorm Watch | Effective 09/06/2026 14:45

Headline: 
Severe Thunderstorm Watch issued September 6 at 4:45PM CDT until September 6 at 10:00PM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Watch
Urgency: 
Future
Effective: 
September 6, 2026 - 2:45pm
Expires: 
September 6, 2026 - 8:00pm
Description: 
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 661 IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 16 COUNTIES IN CENTRAL IOWA BOONE DALLAS POLK IN SOUTH CENTRAL IOWA CLARKE DECATUR MADISON RINGGOLD UNION WARREN IN SOUTHWEST IOWA ADAIR ADAMS CASS TAYLOR IN WEST CENTRAL IOWA AUDUBON GREENE GUTHRIE THIS INCLUDES THE CITIES OF ADAIR, ADEL, ATLANTIC, AUDUBON, BAYARD, BEDFORD, BOONE, CARLISLE, CASEY, CORNING, CRESTON, DES MOINES, EARLHAM, EXIRA, FONTANELLE, GREENFIELD, GUTHRIE CENTER, INDIANOLA, JEFFERSON, LAMONI, LENOX, LEON, MOUNT AYR, NEW MARKET, NORWALK, OSCEOLA, PANORA, PERRY, STUART, WAUKEE, AND WINTERSET. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : = 2 INCHES : 20% PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 80% MEAN STORM MOTION /MPH/ : E 15
Area Description: 
Adair, IA; Adams, IA; Audubon, IA; Boone, IA; Cass, IA; Clarke, IA; Dallas, IA; Decatur, IA; Greene, IA; Guthrie, IA; Madison, IA; Polk, IA; Ringgold, IA; Taylor, IA; Union, IA; Warren, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov