⚠️ Severe Thunderstorm Watch – Lyon, IA; Plymouth, IA; Sioux, IA; Pipestone, MN; Rock, MN; Dixon, NE; Aurora, SD; Bon Homme, SD; Charles Mix, SD; Clay, SD; Davison, SD; Douglas, SD; Gregory, SD; Hanson, SD; Hutchinson, SD; Lake, SD; Lincoln, SD; McCook, SD; Miner, SD; Minnehaha, SD; Moody, SD; Sanborn, SD; Turner, SD; Union, SD; Yankton, SD – Tuesday, September 1, 2026

Severe Thunderstorm Watch issued September 1 at 3:52PM CDT until September 1 at 11:00PM CDT by NWS Sioux Falls SD

Details

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
639 IN EFFECT UNTIL 11 PM CDT THIS EVENING FOR THE FOLLOWING
AREAS

IN IOWA THIS WATCH INCLUDES 3 COUNTIES

IN NORTHWEST IOWA

LYON PLYMOUTH SIOUX

IN MINNESOTA THIS WATCH INCLUDES 2 COUNTIES

IN SOUTHWEST MINNESOTA

PIPESTONE ROCK

IN NEBRASKA THIS WATCH INCLUDES 1 COUNTY

IN NORTHEAST NEBRASKA

DIXON

IN SOUTH DAKOTA THIS WATCH INCLUDES 19 COUNTIES

IN EAST CENTRAL SOUTH DAKOTA

LAKE MINER MOODY
SANBORN

IN SOUTH CENTRAL SOUTH DAKOTA

AURORA CHARLES MIX DOUGLAS
GREGORY

IN SOUTHEAST SOUTH DAKOTA

BON HOMME CLAY DAVISON
HANSON HUTCHINSON LINCOLN
MCCOOK MINNEHAHA TURNER
UNION YANKTON

THIS INCLUDES THE CITIES OF ALCESTER, ALEXANDRIA, ALLEN, ARMOUR,
AVON, BERESFORD, BRIDGEWATER, BURKE, CANISTOTA, CANTON,
CENTERVILLE, CHANCELLOR, CLAYTON, CORSICA, DELMONT, ELK POINT,
EMERY, FLANDREAU, FREEMAN, GEORGE, GREGORY, HARRISBURG, HAWARDEN,
HOWARD, HULL, HURLEY, INWOOD, IRENE, JEFFERSON, LAKE ANDES,
LARCHWOOD, LE MARS, LENNOX, LUVERNE, MADISON, MARION, MARTY,
MENNO, MITCHELL, MONTROSE, NORTH SIOUX CITY, ORANGE CITY, ORLAND,
PARKER, PARKSTON, PIPESTONE, PLANKINTON, PLATTE, PONCA,
ROCK RAPIDS, ROCK VALLEY, SALEM, SCOTLAND, SIOUX CENTER,
SIOUX FALLS, SPRINGFIELD, STICKNEY, TABOR, TEA, TRIPP, TYNDALL,
VERMILLION, VIBORG, WAGNER, WAKEFIELD, WHITE LAKE, WOONSOCKET,
AND YANKTON.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.