6/15/2025 8:21:00 PM until 6/16/2025 1:00:00 AM

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

SEVERE THUNDERSTORM WATCH 421 REMAINS VALID UNTIL 1 AM MDT /2 AM CDT/ MONDAY FOR THE FOLLOWING AREAS IN SOUTH DAKOTA THIS WATCH INCLUDES 16 COUNTIES IN NORTHWEST SOUTH DAKOTA BUTTE HARDING PERKINS IN SOUTH CENTRAL SOUTH DAKOTA MELLETTE TODD TRIPP IN SOUTHWEST SOUTH DAKOTA BENNETT CUSTER FALL RIVER JACKSON OGLALA LAKOTA IN WEST CENTRAL SOUTH DAKOTA HAAKON LAWRENCE MEADE PENNINGTON ZIEBACH THIS INCLUDES THE CITIES OF ALLEN, BILLSBURG, BISON, BUFFALO, CLEARFIELD, CUSTER, DEADWOOD, DOWNTOWN BELLE FOURCHE, DUPREE, EDGEMONT, FAITH, HERMOSA, HILL CITY, HOT SPRINGS, IDEAL, KADOKA, KIRLEY, KYLE, LACREEK WILDLIFE REFUGE, LEAD, LEMMON, MARTIN, MILESVILLE, MISSION, OGLALA, PHILIP, PINE RIDGE, RAPID CITY, ROSEBUD, SAINT FRANCIS, SPEARFISH, STURGIS, TUTHILL, UNION CENTER, WALL, WHITE RIVER, WINNER, AND WOOD. THIS INCLUDES THE TRIBAL LANDS OF THE CHEYENNE RIVER RESERVATION, THE PINE RIDGE RESERVATION, AND THE ROSEBUD RESERVATION.