387 FPUS63 KFSD 181004 SFPSD SDZ001>074-182300- STATE FORECAST FOR SOUTH DAKOTA NATIONAL WEATHER SERVICE SIOUX FALLS SD 505 AM CDT MON MAY 18 2015 ...FREEZE WARNING OR FROST ADVISORY LATE TONIGHT AND EARLY MONDAY MORNING EXCEPT SOUTHWEST AND SOUTHEAST CORNERS... .TODAY...MOSTLY CLOUDY NORTHWEST WITH A FEW LIGHT SHOWERS...SOME SNOW POSSIBLE THIS MORNING. DECREASING CLOUDS WEST AND SOUTH. WINDY EAST. HIGHS IN THE 40S NORTHEAST TO THE 50S WEST AND SOUTH. .TONIGHT...INCREASING CLOUDS SOUTHWEST. MOSTLY CLEAR NORTH AND EAST. FREEZING TEMPERATURES OR FROST MUCH OF THE STATE. LOWS IN THE MID 20S TO MID 30S. .TUESDAY...RAIN LIKELY SOUTHWEST. PARTLY TO MOSTLY SUNNY NORTH AND EAST. A CHANCE OF RAIN TUESDAY NIGHT NORTHWEST THROUGH AND SOUTHEAST. SNOW POSSIBLE FAR SOUTHWEST. HIGHS IN THE 40S SOUTHWEST TO THE 50S NORTH AND EAST. .WEDNESDAY...MOSTLY CLOUDY WITH A CHANCE OF RAIN WEST AND SOUTH... EXCEPT MORNING RAIN AND SNOW LIKELY SOUTHWEST CORNER. PARTLY CLOUDY NORTHEAST. LOWS IN THE 40S TO LOWER 40S. HIGHS IN THE 40S SOUTHWEST TO AROUND 60 NORTHEAST. .THURSDAY...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS SOUTHWEST. PARTLY TO MOSTLY SUNNY NORTH AND EAST. LOWS IN THE 30S TO LOWER 40S. HIGHS IN THE 50S SOUTHWEST TO THE 60S EAST. .FRIDAY...MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS SOUTHWEST. PARTLY TO MOSTLY SUNNY NORTH AND EAST...THEN INCREASING CLOUDS WITH A CHANCE OF SHOWERS FRIDAY NIGHT. LOWS INT HE 40S. HGIHS INT HE 60S TO LOWER 70S. $$