815 FPUS63 KFSD 190912 SFPSD SDZ001>074-202300- STATE FORECAST FOR SOUTH DAKOTA NATIONAL WEATHER SERVICE SIOUX FALLS SD 412 AM CDT TUE AUG 19 2014 .TODAY...MOSTLY CLEAR. ISOLATED THUNDERSTORMS FAR SOUTHWEST LATE AFTERNOON. HIGHS FROM NEAR 80 NORTHEAST TO NEAR 90 WEST. .TONIGHT...INCREASING CLOUDS WITH A CHANCE OF THUNDERSTORMS WEST AND SOUTH. LOWS IN THE LOW TO MID 60S. .WEDNESDAY...MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. HIGHS MAINLY IN THE 80S...A FEW LOWER 90S SOUTH CENTRAL. .THURSDAY...MOSTLY CLEAR TO PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS WEST DURING THE DAY...THEN A CHANCE OF THUNDERSTORMS AT NIGHT STATEWIDE. LOWS FROM THE UPPER 50S WEST...TO THE 60S ELSEWHERE. HIGHS MAINLY IN THE 80S. .FRIDAY...MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 50S TO 60S. HIGHS FROM 75 TO 80 NORTHWEST TO THE 80S SOUTH AND EAST. .SATURDAY...MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. LOWS FROM THE 50S WEST TO THE 60S EAST. HIGHS FROM THE 70S NORTH AND WEST TO THE LOWER 80S SOUTHEAST. $$