SEVERE THUNDERSTORM WATCH 478 REMAINS VALID UNTIL 2 AM CDT /1 AMMDT/ FRIDAY FOR THE FOLLOWING AREASIN SOUTH DAKOTA THIS WATCH INCLUDES 15 COUNTIESIN CENTRAL SOUTH DAKOTABUFFALO HAND HUGHESHYDE JONES LYMANSTANLEY SULLYIN NORTH CENTRAL SOUTH DAKOTACAMPBELL DEWEY EDMUNDSFAULK MCPHERSON POTTERWALWORTHTHIS INCLUDES THE CITIES OF EUREKA, FAULKTON, FORT PIERRE,FORT THOMPSON, GETTYSBURG, HERREID, HIGHMORE, IPSWICH, ISABEL,KENNEBEC, MILLER, MOBRIDGE, MURDO, ONIDA, AND PIERRE.