NATIONAL WEATHER SERVICE GREAT FALLS MT 359 AM MDT WED AUG 20 2008 SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION ARE FOR TODAY...TONIGHT...THURSDAY...THURSDAY NIGHT...AND FRIDAY. NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE CITIES OF...BROWNING...CHOTEAU TODAY...MOSTLY CLOUDY. OVER THE PLAINS...ISOLATED SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. IN THE MOUNTAINS...SCATTERED SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS IN THE AFTERNOON. WINDY. HIGHS 65 TO 75...55 TO 65 IN THE MOUNTAINS. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH...INCREASING TO 20 TO 30 MPH WITH GUSTS TO 50 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY. OVER THE PLAINS...A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. IN THE MOUNTAINS...SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS 40 TO 50. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH. THURSDAY...MOSTLY CLOUDY. OVER THE PLAINS...A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. IN THE MOUNTAINS...SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE MORNING...THEN RAIN AND SNOW SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WINDY. HIGHS 60 TO 70...50 TO 60 IN THE MOUNTAINS. SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH. THURSDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WINDY. LOWS 35 TO 40. WEST WINDS 20 TO 30 MPH. CHANCE OF PRECIPITATION 50 PERCENT. FRIDAY...MOSTLY CLOUDY IN THE MORNING THEN CLEARING. A 20 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 60 TO 70. WEST WINDS 10 TO 20 MPH. FRIDAY NIGHT AND SATURDAY...MOSTLY CLEAR. LOWS 35 TO 45. HIGHS 65 TO 75. SATURDAY NIGHT THROUGH SUNDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 75 TO 85. MONDAY AND MONDAY NIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 70 TO 80. LOWS 40 TO 50. TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 65 TO 75. EASTERN GLACIER- INCLUDING THE CITIES OF...CUT BANK TODAY...INCREASING CLOUDS. ISOLATED SHOWERS AND THUNDERSTORMS. WINDY...COOLER. HIGHS 65 TO 70. SOUTHWEST WINDS 5 TO 15 MPH... INCREASING TO 20 TO 30 MPH WITH GUSTS TO 45 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS 45 TO 50. SOUTHWEST WINDS 15 TO 25 MPH. GUSTS UP TO 35 MPH IN THE EVENING. THURSDAY...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. WINDY. HIGHS 60 TO 65. WEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH. THURSDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 40 TO 45. WEST WINDS 15 TO 25 MPH. CHANCE OF PRECIPITATION 30 PERCENT. FRIDAY...PARTLY CLOUDY. HIGHS 65 TO 70. WEST WINDS 10 TO 15 MPH. FRIDAY NIGHT THROUGH SATURDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 70 TO 80. SUNDAY AND SUNDAY NIGHT...MOSTLY CLEAR. HIGHS 80 TO 85. LOWS 45 TO 55. MONDAY AND MONDAY NIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 75 TO 80. LOWS 45 TO 55. TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 65 TO 75. && TEMPERATURE / PRECIPITATION CUT BANK 73 50 67 43 68 / 20 30 40 20 10 TOOLE-LIBERTY- INCLUDING THE CITIES OF...SHELBY...CHESTER TODAY...INCREASING CLOUDS WITH ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WINDY. HIGHS 75 TO 80. SOUTHWEST WINDS 5 TO 15 MPH...INCREASING TO 20 TO 30 MPH WITH GUSTS TO 45 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS 50 TO 55. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH...DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT. THURSDAY...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. WINDY. HIGHS 70 TO 75. SOUTHWEST WINDS 10 TO 20 MPH...INCREASING TO WEST 20 TO 30 MPH IN THE AFTERNOON. GUSTS UP TO 45 MPH. THURSDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 40 TO 45. WEST WINDS 15 TO 25 MPH. CHANCE OF PRECIPITATION 40 PERCENT. FRIDAY...PARTLY CLOUDY. HIGHS 65 TO 70. NORTHWEST WINDS 10 TO 20 MPH. FRIDAY NIGHT THROUGH SATURDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 70 TO 80. SUNDAY THROUGH MONDAY...MOSTLY CLEAR. HIGHS 85 TO 90. LOWS 45 TO 55. MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 50 TO 55. HIGHS 75 TO 85. EASTERN PONDERA-EASTERN TETON- INCLUDING THE CITIES OF...CONRAD...FAIRFIELD TODAY...INCREASING CLOUDS WITH ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WINDY. HIGHS 75 TO 80. SOUTHWEST WINDS 10 TO 15 MPH...INCREASING TO 20 TO 30 MPH WITH GUSTS TO 40 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 50 TO 55. WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH...BECOMING SOUTHWEST 5 TO 15 MPH AFTER MIDNIGHT. THURSDAY...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. WINDY. HIGHS AROUND 70. SOUTHWEST WINDS 10 TO 20 MPH...INCREASING TO WEST 20 TO 30 MPH IN THE AFTERNOON. GUSTS UP TO 45 MPH. THURSDAY NIGHT...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 40 TO 45. WEST WINDS 15 TO 25 MPH. FRIDAY...PARTLY CLOUDY. HIGHS AROUND 70. WEST WINDS 10 TO 20 MPH. FRIDAY NIGHT THROUGH SATURDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 70 TO 80. SUNDAY AND SUNDAY NIGHT...MOSTLY CLEAR. HIGHS 85 TO 90. LOWS 45 TO 55. MONDAY...SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 85 TO 90. MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 45 TO 50. HIGHS 80 TO 90. CHOUTEAU- INCLUDING THE CITIES OF...FORT BENTON TODAY...INCREASING CLOUDS WITH ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 80 TO 85. SOUTHWEST WINDS 5 TO 10 MPH...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 50 TO 55. SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE EVENING. THURSDAY...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. WINDY. HIGHS 70 TO 75. SOUTHWEST WINDS 10 TO 20 MPH...INCREASING TO WEST 20 TO 30 MPH IN THE AFTERNOON. GUSTS UP TO 40 MPH. THURSDAY NIGHT...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 40 TO 45. WEST WINDS 15 TO 25 MPH. FRIDAY...PARTLY CLOUDY. HIGHS 70 TO 75. WEST WINDS 10 TO 20 MPH. FRIDAY NIGHT AND SATURDAY...MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 75 TO 85. SATURDAY NIGHT AND SUNDAY...MOSTLY CLEAR. LOWS AROUND 50. HIGHS 80 TO 90. SUNDAY NIGHT AND MONDAY...MOSTLY CLEAR. LOWS 55 TO 60. HIGHS 85 TO 90. MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 50 TO 55. HIGHS 80 TO 90. HILL- INCLUDING THE CITIES OF...HAVRE TODAY...INCREASING CLOUDS WITH ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 80 TO 85. SOUTHWEST WINDS 5 TO 10 MPH...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 50 TO 55. SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE EVENING. THURSDAY...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. WINDY. HIGHS 70 TO 75. SOUTHWEST WINDS 10 TO 20 MPH...INCREASING TO 20 TO 30 MPH IN THE AFTERNOON. GUSTS UP TO 40 MPH. THURSDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 45. WEST WINDS 15 TO 25 MPH. CHANCE OF PRECIPITATION 40 PERCENT. FRIDAY...PARTLY CLOUDY. HIGHS 65 TO 70. NORTHWEST WINDS 10 TO 20 MPH. FRIDAY NIGHT AND SATURDAY...MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 70 TO 80. SATURDAY NIGHT AND SUNDAY...MOSTLY CLEAR. LOWS AROUND 50. HIGHS 80 TO 90. SUNDAY NIGHT AND MONDAY...MOSTLY CLEAR. LOWS AROUND 55. HIGHS 85 TO 90. MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 50 TO 55. HIGHS 80 TO 90. && TEMPERATURE / PRECIPITATION HAVRE 86 52 77 44 72 / 20 20 50 40 10 BLAINE- INCLUDING THE CITIES OF...CHINOOK TODAY...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 80 TO 90. WEST WINDS 5 TO 10 MPH...INCREASING TO 10 TO 20 MPH WITH GUSTS TO 30 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 50 TO 60. WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH...SHIFTING TO THE SOUTHWEST 5 TO 10 MPH AFTER MIDNIGHT. THURSDAY...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. WINDY. HIGHS 70 TO 80. SOUTHWEST WINDS 10 TO 15 MPH...INCREASING TO WEST 20 TO 30 MPH WITH GUSTS TO 40 MPH IN THE AFTERNOON. THURSDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 40 TO 50. WEST WINDS 15 TO 25 MPH. CHANCE OF PRECIPITATION 40 PERCENT. FRIDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 65 TO 70. NORTHWEST WINDS 10 TO 20 MPH. FRIDAY NIGHT AND SATURDAY...MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 70 TO 80. SATURDAY NIGHT AND SUNDAY...MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 80 TO 90. SUNDAY NIGHT AND MONDAY...MOSTLY CLEAR. LOWS 50 TO 60. HIGHS 85 TO 95. MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 50 TO 60. HIGHS 80 TO 90. JUDITH BASIN-FERGUS- INCLUDING THE CITIES OF...STANFORD...LEWISTOWN TODAY...PARTLY CLOUDY. IN THE MOUNTAINS...A CHANCE OF SPRINKLES IN THE MORNING. SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON ALL AREAS. HIGHS 85 TO 90...70 TO 80 IN THE MOUNTAINS. SOUTHWEST WINDS 5 TO 10 MPH...SHIFTING TO THE WEST 10 TO 20 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 50 TO 60...40 TO 50 IN THE MOUNTAINS. SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE EVENING. THURSDAY...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 70 TO 80. SOUTHWEST WINDS 10 TO 15 MPH... SHIFTING TO THE WEST 15 TO 25 MPH WITH GUSTS TO 40 MPH IN THE AFTERNOON. THURSDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 35 TO 50. WEST WINDS 15 TO 25 MPH. CHANCE OF PRECIPITATION 50 PERCENT. FRIDAY...PARTLY CLOUDY. HIGHS 65 TO 75. NORTHWEST WINDS 10 TO 20 MPH. FRIDAY NIGHT AND SATURDAY...MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 70 TO 80. SATURDAY NIGHT AND SUNDAY...MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 80 TO 90. SUNDAY NIGHT AND MONDAY...MOSTLY CLEAR. LOWS 50 TO 60. HIGHS 85 TO 95. MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 50 TO 60. HIGHS 80 TO 90. && TEMPERATURE / PRECIPITATION LEWISTOWN 86 53 74 43 70 / 30 30 50 20 0 CASCADE- INCLUDING THE CITIES OF...GREAT FALLS TODAY...INCREASING CLOUDS. OVER THE PLAINS...ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. IN THE MOUNTAINS...SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 80 TO 85...70 TO 80 IN THE MOUNTAINS. SOUTHWEST WINDS 5 TO 10 MPH...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS OVER THE PLAINS...A 40 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MOUNTAINS. LOWS 50 TO 60...45 TO 50 IN THE MOUNTAINS. SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH IN THE EVENING. THURSDAY...MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS OVER THE PLAINS...SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE MOUNTAINS. WINDY. HIGHS 70 TO 75...60 TO 70 IN THE MOUNTAINS. SOUTHWEST WINDS 10 TO 20 MPH...INCREASING TO WEST 20 TO 30 MPH IN THE AFTERNOON. GUSTS UP TO 40 MPH. THURSDAY NIGHT...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 35 TO 45. WEST WINDS 15 TO 25 MPH. FRIDAY...PARTLY CLOUDY. HIGHS 65 TO 75. WEST WINDS 10 TO 15 MPH. FRIDAY NIGHT AND SATURDAY...MOSTLY CLEAR. LOWS 35 TO 45. HIGHS 70 TO 80. SATURDAY NIGHT AND SUNDAY...MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 80 TO 90. SUNDAY NIGHT AND MONDAY...MOSTLY CLEAR. LOWS 50 TO 60. HIGHS 85 TO 95. MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 45 TO 55. HIGHS 80 TO 90. && TEMPERATURE / PRECIPITATION GREAT FALLS ARPT 83 57 75 45 76 / 20 20 50 20 10 CENTRAL AND SOUTHERN LEWIS AND CLARK- INCLUDING THE CITIES OF...HELENA...LINCOLN TODAY...INCREASING CLOUDS WITH SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO 80...60 TO 70 IN THE MOUNTAINS. SOUTHWEST WINDS 5 TO 15 MPH...INCREASING TO WEST 15 TO 25 MPH WITH GUSTS TO 40 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 40 TO 55. WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH...BECOMING SOUTHWEST 5 TO 15 MPH AFTER MIDNIGHT. THURSDAY...A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE VALLEYS...SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE MOUNTAINS. WINDY. HIGHS 65 TO 75...55 TO 65 IN THE MOUNTAINS. WEST WINDS 10 TO 20 MPH...INCREASING TO 20 TO 30 MPH IN THE AFTERNOON. GUSTS UP TO 45 MPH. THURSDAY NIGHT...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 35 TO 45. WEST WINDS 15 TO 25 MPH. FRIDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 65 TO 75. WEST WINDS 5 TO 15 MPH. FRIDAY NIGHT THROUGH SATURDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 70 TO 80. SUNDAY AND SUNDAY NIGHT...MOSTLY CLEAR. HIGHS 80 TO 90. LOWS 45 TO 55. MONDAY...SUNNY. HIGHS 75 TO 85. MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 45 TO 50. HIGHS 75 TO 85. && TEMPERATURE / PRECIPITATION HELENA 84 57 79 49 79 / 30 30 50 20 10 BROADWATER-MEAGHER- INCLUDING THE CITIES OF...TOWNSEND...WHITE SULPHUR SPRINGS TODAY...PARTLY CLOUDY WITH A CHANCE OF SPRINKLES IN THE MORNING...THEN MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 85. SOUTHWEST WINDS 5 TO 15 MPH...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 45 TO 55. WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH...BECOMING SOUTHWEST 5 TO 15 MPH AFTER MIDNIGHT. THURSDAY...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. WINDY. HIGHS 70 TO 80...60 TO 70 IN THE MOUNTAINS. SOUTHWEST WINDS 5 TO 15 MPH...INCREASING TO WEST 20 TO 30 MPH IN THE AFTERNOON. GUSTS UP TO 45 MPH. THURSDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 35 TO 45. WEST WINDS 15 TO 25 MPH. CHANCE OF PRECIPITATION 50 PERCENT. FRIDAY...PARTLY CLOUDY. HIGHS 65 TO 75. WEST WINDS 5 TO 15 MPH. FRIDAY NIGHT AND SATURDAY...MOSTLY CLEAR. LOWS 35 TO 45. HIGHS 70 TO 80. SATURDAY NIGHT THROUGH MONDAY...MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 80 TO 90. MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 45 TO 55. HIGHS 75 TO 85. JEFFERSON- INCLUDING THE CITIES OF...BOULDER TODAY...INCREASING CLOUDS WITH SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO 80. SOUTHWEST WINDS UP TO 10 MPH...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 45 TO 55. WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH...BECOMING SOUTHWEST 5 TO 15 MPH AFTER MIDNIGHT. THURSDAY...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. WINDY. HIGHS 70 TO 80...60 TO 70 IN THE MOUNTAINS. WEST WINDS 5 TO 15 MPH...INCREASING TO 20 TO 30 MPH IN THE AFTERNOON. GUSTS UP TO 40 MPH. THURSDAY NIGHT...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 35 TO 45. NORTHWEST WINDS 15 TO 25 MPH. FRIDAY...PARTLY CLOUDY. HIGHS 65 TO 75. NORTHWEST WINDS 5 TO 15 MPH. FRIDAY NIGHT THROUGH SATURDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 70 TO 80. SUNDAY AND SUNDAY NIGHT...MOSTLY CLEAR. HIGHS 80 TO 90. LOWS 45 TO 55. MONDAY...SUNNY. HIGHS 75 TO 85. MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 45 TO 50. HIGHS 75 TO 85. MADISON-GALLATIN- INCLUDING THE CITIES OF...ENNIS...BOZEMAN...WEST YELLOWSTONE TODAY...PARTLY CLOUDY WITH A CHANCE OF SPRINKLES IN THE MORNING...THEN MOSTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 85...65 TO 75 IN THE MOUNTAINS. SOUTH WINDS UP TO 10 MPH...INCREASING TO SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 30 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 45 TO 55. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH...DECREASING TO 5 TO 10 MPH AFTER MIDNIGHT. THURSDAY...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 70 TO 80...60 TO 70 IN THE MOUNTAINS. SOUTHWEST WINDS 5 TO 15 MPH...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 40 MPH IN THE AFTERNOON. THURSDAY NIGHT...MOSTLY CLOUDY IN THE EVENING...THEN BECOMING PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 35 TO 45. WEST WINDS 10 TO 20 MPH. FRIDAY...PARTLY CLOUDY. HIGHS 65 TO 75. WEST WINDS UP TO 10 MPH. FRIDAY NIGHT THROUGH SATURDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 70 TO 80. SUNDAY THROUGH MONDAY...MOSTLY CLEAR. HIGHS 75 TO 85. LOWS 45 TO 55. MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 45 TO 55. HIGHS 75 TO 85. && TEMPERATURE / PRECIPITATION BOZEMAN AIRPORT 88 53 84 43 78 / 20 30 30 20 0 WEST YELLOWSTONE 76 46 74 37 71 / 20 30 40 30 0 BEAVERHEAD- INCLUDING THE CITIES OF...DILLON TODAY...INCREASING CLOUDS. ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. IN THE MOUNTAINS...SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 65 TO 75. SOUTHWEST WINDS UP TO 10 MPH...INCREASING TO 10 TO 20 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 45 TO 50. SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE EVENING. THURSDAY...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS 60 TO 70. SOUTHWEST WINDS 5 TO 15 MPH... INCREASING TO 15 TO 25 MPH WITH GUSTS TO 40 MPH IN THE AFTERNOON. THURSDAY NIGHT...MOSTLY CLOUDY IN THE EVENING...THEN BECOMING PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 35 TO 40. WEST WINDS 10 TO 20 MPH. FRIDAY...PARTLY CLOUDY. HIGHS 60 TO 70. NORTHWEST WINDS UP TO 10 MPH. FRIDAY NIGHT AND SATURDAY...MOSTLY CLEAR. LOWS 35 TO 45. HIGHS 65 TO 75. SATURDAY NIGHT THROUGH SUNDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 75 TO 85. MONDAY...SUNNY. HIGHS 70 TO 80. MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 45 TO 50. HIGHS 70 TO 80. && TEMPERATURE / PRECIPITATION DILLON 78 51 75 41 73 / 20 30 30 20 0 WEATHER.GOV/GREATFALLS