Iowa, Nebraska, South Dakota Severe Severe Thunderstorm Watch | Effective 09/01/2026 23:02

Headline: 
Severe Thunderstorm Watch issued September 2 at 1:02AM CDT until September 2 at 5:00AM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Watch
Urgency: 
Future
Effective: 
September 1, 2026 - 11:02pm
Expires: 
September 2, 2026 - 3:00am
Description: 
SEVERE THUNDERSTORM WATCH 640 REMAINS VALID UNTIL 5 AM CDT EARLY THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 10 COUNTIES IN NORTHWEST IOWA BUENA VISTA CHEROKEE CLAY DICKINSON O'BRIEN OSCEOLA PLYMOUTH SIOUX IN WEST CENTRAL IOWA IDA WOODBURY IN NEBRASKA THIS WATCH INCLUDES 2 COUNTIES IN NORTHEAST NEBRASKA DAKOTA DIXON IN SOUTH DAKOTA THIS WATCH INCLUDES 1 COUNTY IN SOUTHEAST SOUTH DAKOTA UNION THIS INCLUDES THE CITIES OF ALCESTER, ALLEN, ARNOLDS PARK, BATTLE CREEK, BERESFORD, CHEROKEE, ELK POINT, HARTLEY, HAWARDEN, HOLSTEIN, HULL, IDA GROVE, JEFFERSON, LE MARS, MILFORD, NORTH SIOUX CITY, ORANGE CITY, PONCA, ROCK VALLEY, SANBORN, SHELDON, SIBLEY, SIOUX CENTER, SIOUX CITY, SOUTH SIOUX CITY, SPENCER, SPIRIT LAKE, STORM LAKE, AND WAKEFIELD.
Area Description: 
Buena Vista, IA; Cherokee, IA; Clay, IA; Dickinson, IA; Ida, IA; O'Brien, IA; Osceola, IA; Plymouth, IA; Sioux, IA; Woodbury, IA; Dakota, NE; Dixon, NE; Union, SD
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov