Expires:200907042215;;577326 FPUS55 KRIW 040830 ZFPRIW ZONE FORECAST PRODUCT FOR WESTERN AND CENTRAL WYOMING NATIONAL WEATHER SERVICE RIVERTON WY 230 AM MDT SAT JUL 4 2009 WYZ001-042215- YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 230 AM MDT SAT JUL 4 2009 .TODAY...PARTLY CLOUDY WITH ISOLATED THUNDERSTORMS IN THE MORNING... THEN MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS...SMALL HAIL AND HEAVY RAINFALL IN THE AFTERNOON. HIGHS 61 TO 69. CHANCE OF THUNDERSTORMS 50 PERCENT. .TONIGHT...MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS IN THE EVENING...THEN PARTLY CLOUDY WITH ISOLATED THUNDERSTORMS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS...SMALL HAIL AND HEAVY RAINFALL IN THE EVENING. LOWS 38 TO 44. CHANCE OF THUNDERSTORMS 50 PERCENT. .SUNDAY...PARTLY CLOUDY WITH ISOLATED THUNDERSTORMS IN THE MORNING... THEN MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE AFTERNOON. HIGHS 64 TO 74. CHANCE OF THUNDERSTORMS 30 PERCENT. .SUNDAY NIGHT...MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS IN THE EVENING...THEN PARTLY CLOUDY WITH ISOLATED THUNDERSTORMS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE EVENING. LOWS 40 TO 46. CHANCE OF THUNDERSTORMS 30 PERCENT. .MONDAY...MOSTLY SUNNY IN THE MORNING...THEN PARTLY CLOUDY WITH SCATTERED THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO 78. SOUTHWEST WINDS AROUND 15 MPH IN THE AFTERNOON. CHANCE OF THUNDERSTORMS 30 PERCENT. .MONDAY NIGHT...PARTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE EVENING...THEN ISOLATED THUNDERSTORMS AFTER MIDNIGHT. LOWS 40 TO 46. CHANCE OF THUNDERSTORMS 30 PERCENT. .TUESDAY...PARTLY CLOUDY. HIGHS 67 TO 75. .TUESDAY NIGHT...BREEZY. PARTLY CLOUDY. LOWS 39 TO 45. .WEDNESDAY...PARTLY CLOUDY. HIGHS 65 TO 73. .WEDNESDAY NIGHT...BREEZY. PARTLY CLOUDY. LOWS 38 TO 44. .THURSDAY...PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 62 TO 70. .THURSDAY NIGHT...PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 37 TO 43. .FRIDAY...PARTLY CLOUDY. HIGHS 66 TO 74. $$