Expires:201305182215;;324237 FPUS55 KCYS 180939 ZFPCYS ZONE FORECAST FOR SOUTHEAST WYOMING AND WESTERN NEBRASKA PANHANDLE NATIONAL WEATHER SERVICE CHEYENNE WY 339 AM MDT SAT MAY 18 2013 NEZ095-182215- NORTH SIOUX- INCLUDING THE CITIES OF...HARRISON 339 AM MDT SAT MAY 18 2013 .TODAY...MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WINDS AND LARGE HAIL. HIGHS AROUND 75. NORTHWEST WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT. .TONIGHT...CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SCATTERED SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WINDS AND LARGE HAIL IN THE EVENING. LOWS 45 TO 50. NORTH WINDS 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT. .SUNDAY...CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE SMALL HAIL IN THE AFTERNOON. HIGHS AROUND 65. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. CHANCE OF PRECIPITATION 60 PERCENT. .SUNDAY NIGHT...CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS 40 TO 45. NORTHWEST WINDS 15 TO 25 MPH. CHANCE OF PRECIPITATION 60 PERCENT. .MONDAY...SHOWERS LIKELY IN THE MORNING...THEN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WINDY. HIGHS 55 TO 60. NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 40 MPH. CHANCE OF PRECIPITATION 60 PERCENT. .MONDAY NIGHT...RAIN LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 35 TO 45. CHANCE OF PRECIPITATION 60 PERCENT. .TUESDAY...CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS. HIGHS 55 TO 65. .TUESDAY NIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS 35 TO 45. .WEDNESDAY AND WEDNESDAY NIGHT...PARTLY CLOUDY. HIGHS IN THE 60S. LOWS 35 TO 45. .THURSDAY THROUGH FRIDAY...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS IN THE 70S. LOWS 45 TO 55. $$