Expires:201305212215;;467234 FPUS55 KCYS 210859 ZFPCYS ZONE FORECAST FOR SOUTHEAST WYOMING AND WESTERN NEBRASKA PANHANDLE NATIONAL WEATHER SERVICE CHEYENNE WY 259 AM MDT TUE MAY 21 2013 NEZ096-212215- SOUTH SIOUX- INCLUDING THE CITIES OF...AGATE 259 AM MDT TUE MAY 21 2013 .TODAY...MOSTLY CLOUDY WITH ISOLATED SHOWERS. WINDY. HIGHS AROUND 60. NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH. CHANCE OF SHOWERS 20 PERCENT. .TONIGHT...PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH IN THE EVENING BECOMING LIGHT. .WEDNESDAY...MOSTLY SUNNY. HIGHS AROUND 65. LIGHT WINDS BECOMING EAST 10 TO 15 MPH IN THE AFTERNOON. .WEDNESDAY NIGHT...MOSTLY CLOUDY. LOWS AROUND 45. EAST WINDS 10 TO 20 MPH. .THURSDAY...MOSTLY CLOUDY. WINDY. HIGHS 65 TO 70. SOUTHEAST WINDS 15 TO 30 MPH INCREASING TO 25 TO 30 MPH IN THE AFTERNOON. GUSTS UP TO 40 MPH. .THURSDAY NIGHT...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. WINDY. LOWS 45 TO 55. .FRIDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. WARMER. HIGHS 75 TO 85. .FRIDAY NIGHT THROUGH SUNDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS IN THE 80S. LOWS 45 TO 55. .SUNDAY NIGHT...PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE 50S. .MEMORIAL DAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS IN THE 80S. $$