At 330 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 17 miles east of Ekalaka to 6 miles west of Antelope Butte. Movement was northeast at 20 mph. HAZARD. Wind gusts of 50 to 55 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. Strong thunderstorms will be near. Camp Crook, Gustave, and West Short Pines around 335 PM MDT. Harding around 355 PM MDT.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 349 IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN SOUTH DAKOTA THIS WATCH INCLUDES 9 COUNTIES IN NORTHWEST SOUTH DAKOTA BUTTE HARDING PERKINS IN SOUTHWEST SOUTH DAKOTA CUSTER FALL RIVER OGLALA LAKOTA IN WEST CENTRAL SOUTH DAKOTA LAWRENCE MEADE PENNINGTON IN WYOMING THIS WATCH INCLUDES 3 COUNTIES IN NORTHEAST WYOMING CAMPBELL CROOK WESTON THIS INCLUDES THE CITIES OF BISON, BUCKHORN, BUFFALO, CLARETON, CUSTER, DEADWOOD, DOWNTOWN BELLE FOURCHE, DOWNTOWN NEWCASTLE, EDGEMONT, FAITH, FOUR CORNERS, GILLETTE, HERMOSA, HILL CITY, HOT SPRINGS, KYLE, LEAD, LEMMON, MOORCROFT, MORRISEY, OGLALA, PINE RIDGE, RAPID CITY, ROCHELLE, SPEARFISH, STURGIS, SUNDANCE, UNION CENTER, UPTON, WALL, AND WRIGHT. THIS INCLUDES THE TRIBAL LANDS OF THE PINE RIDGE RESERVATION.