345 FPUS63 KFSD 210056 AAA SFPSD SDZ001>074-202130- STATE FORECAST FOR SOUTH DAKOTA NATIONAL WEATHER SERVICE SIOUX FALLS SD 800 PM CDT SUN JUL 20 2003 .TONIGHT...CLEAR TO PARTLY CLOUDY. LOWS IN THE UPPER 50S TO LOWER 60S. .MONDAY...PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON WEST. HIGHS FROM THE UPPER 70S NORTHEAST TO THE UPPER 80S SOUTHWEST. .MONDAY NIGHT...MOSTLY CLEAR. LOWS IN THE 50S. .TUESDAY...MOSTLY SUNNY. HIGHS AROUND 80 EAST TO THE LOWER 90S WEST. .TUESDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 60. .EXTENDED FORECAST... .WEDNESDAY...MOSTLY CLEAR. HIGHS 80 TO 85 EAST TO 90 TO 95 WEST. .THURSDAY...PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS WEST LATE. LOWS IN THE 60S. HIGHS 85 TO 95. .FRIDAY...PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS. LOWS IN THE 60S. HIGHS 85 TO 95. $$