WWUS63 KUNR 240346 WCNUNR WATCH COUNTY NOTIFICATION FOR WATCH 618 NATIONAL WEATHER SERVICE RAPID CITY SD 946 PM MDT SUN AUG 23 2026 SDC019-063-093-105-240500- /O.EXP.KUNR.SV.A.0618.000000T0000Z-260824T0400Z/ THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH 618 TO EXPIRE AT 10 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN SOUTH DAKOTA THIS ALLOWS TO EXPIRE 4 COUNTIES IN NORTHWEST SOUTH DAKOTA BUTTE HARDING PERKINS IN WEST CENTRAL SOUTH DAKOTA MEADE THIS INCLUDES THE CITIES OF BISON, BUFFALO, DOWNTOWN BELLE FOURCHE, FAITH, LEMMON, STURGIS, AND UNION CENTER. $$