At 149 PM MDT, Doppler radar was tracking a strong thunderstorm 9 miles west of Union Center, or 34 miles east of Sturgis, moving northeast at 35 mph. HAZARD. Wind gusts up to 50 mph and nickel size hail. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This strong thunderstorm will be near. Union Center around 155 PM MDT. Red Owl around 205 PM MDT.

At 144 PM MDT, Doppler radar was tracking a strong thunderstorm 4 miles west of Provo, or 9 miles southwest of Edgemont, moving northeast at 35 mph. HAZARD. Wind gusts up to 50 mph and penny size hail. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This strong thunderstorm will be near. Edgemont and Provo around 150 PM MDT.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 494 IN EFFECT UNTIL 8 PM MDT /9 PM CDT/ THIS EVENING FOR THE FOLLOWING AREAS IN SOUTH DAKOTA THIS WATCH INCLUDES 14 COUNTIES IN NORTHWEST SOUTH DAKOTA 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, CLEARFIELD, CUSTER, DEADWOOD, 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.