742
FNUS55 KBYZ 252053
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA
NATIONAL WEATHER SERVICE BILLINGS MT
253 PM MDT FRI SEP 25 2026
DISCUSSION
PREFRONTAL SOUTHEAST WINDS ARE EXPECTED TO GUST 20-35 MPH INTO
TONIGHT FOR AREA EAST OF BILLINGS. WIND GUSTS 30-45 MPH ARE
EXPECTED WITH A DRY FRONT OVERNIGHT TONIGHT FOR AREAS NORTH AND
EAST OF BILLINGS. CONDITIONS ARE EXPECTED TO BE COOLER WITH RISING
MIN RHS THROUGH MONDAY. A WEATHER SYSTEM IS EXPECTED TO MOVE
THROUGH SUNDAY INTO MONDAY, WITH MOST AREAS LIKELY RECEIVING LESS
THAN A TENTH OF AN INCH OF RAIN WITH THE EXCEPTION OF AREA
MOUNTAINS AND THE MT133 WHERE A 30-50% CHANCE EXISTS FOR A QUARTER
INCH OF PRECIPITATION. A FEW THUNDERSTORMS SUNDAY CANNOT BE RULED
OUT FOR THESE SAME AREAS. CONDITIONS LOOK TO BE DRY WITH
SEASONABLE TEMPERATURES TUESDAY AND WEDNESDAY. TS
MTZ123-261030-
GALLATIN NATIONAL FOREST-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......39-49 AT 5000 FEET...35-45 AT 7000 FEET.
* 24 HR TREND.........7 DEGREES COOLER.
* MAX HUMIDITY..........70-80 PERCENT AT 5000 FEET...73-83 PERCENT
AT 7000 FEET.
* 24 HR TREND.........18 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH IN THE EVENING BECOMING LIGHT OVERNIGHT.
* RIDGETOP.............SOUTHWEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......60-70 AT 5000 FEET...49-59 AT 7000 FEET.
* 24 HR TREND.........14 DEGREES COOLER.
* MIN HUMIDITY..........28-38 PERCENT AT 5000 FEET...30-40 PERCENT
AT 7000 FEET.
* 24 HR TREND.........10 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTHWEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......37-47 AT 5000 FEET...35-45 AT 7000 FEET.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........58-68 PERCENT AT 5000 FEET...61-71 PERCENT
AT 7000 FEET.
* 24 HR TREND.........13 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS.
* RIDGETOP.............SOUTHWEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN
THE MORNING AND AFTERNOON.
* MAX TEMPERATURE.......61-71 AT 5000 FEET...50-60 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........39-44 PERCENT.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTH IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...10 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 37 TO 46.
LIGHT WINDS.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 35 TO 44. HIGHS
61 TO 70. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 39 TO 49. HIGHS 65 TO 74. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 37 TO 47.
HIGHS 64 TO 73. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 37 TO 47. HIGHS 64 TO 74.
FRIDAY
PARTLY SUNNY. SCATTERED SHOWERS AND ISOLATED SNOW
SHOWERS. HIGHS 57 TO 67.
MTZ124-261030-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......44-49.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........59-64 PERCENT.
* 24 HR TREND.........35 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WINDY OVERNIGHT. SOUTHWEST WINDS 15 TO 25
MPH IN THE EVENING SHIFTING TO THE NORTHWEST 15 TO 30 MPH
OVERNIGHT. GUSTS UP TO 35 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......65-70.
* 24 HR TREND.........14 DEGREES COOLER.
* MIN HUMIDITY..........21-26 PERCENT.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......39-44.
* 24 HR TREND.........5 DEGREES COOLER.
* MAX HUMIDITY..........46-51 PERCENT.
* 24 HR TREND.........13 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......59-64.
* 24 HR TREND.........6 DEGREES COOLER.
* MIN HUMIDITY..........28-33 PERCENT.
* 24 HR TREND.........7 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 41 TO 46.
SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 39 TO 44. HIGHS 66 TO 71. WEST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 43 TO 48. HIGHS 69 TO 74. WEST
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 40 TO 45.
HIGHS 67 TO 72. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 41 TO 46. HIGHS 67 TO 72.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS. HIGHS 59 TO 64.
MTZ125-261030-
STILLWATER COUNTY-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR IN THE EVENING THEN BECOMING
MOSTLY CLOUDY.
* MIN TEMPERATURE.......48-53.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........65-70 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE NORTHWEST 5 TO 10 MPH OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......66-71.
* 24 HR TREND.........13 DEGREES COOLER.
* MIN HUMIDITY..........32-37 PERCENT.
* 24 HR TREND.........11 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......42-47.
* 24 HR TREND.........6 DEGREES COOLER.
* MAX HUMIDITY..........56-61 PERCENT.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN
THE MORNING.
* MAX TEMPERATURE.......59-64.
* 24 HR TREND.........7 DEGREES COOLER.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............LIGHT WINDS IN THE MORNING BECOMING
NORTHEAST 5 TO 10 MPH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 42 TO 47.
WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 40 TO 45. HIGHS 63 TO 68. SOUTHWEST WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 70 TO 75. WEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 42 TO 47. HIGHS 68 TO 73. WEST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 42 TO 47. HIGHS 69 TO 74.
FRIDAY
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 61 TO 66.
MTZ126-261030-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR IN THE EVENING THEN BECOMING
MOSTLY CLOUDY.
* MIN TEMPERATURE.......49-55 AT 5000 FEET...40-50 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES COOLER.
* MAX HUMIDITY..........53-63 PERCENT AT 5000 FEET...57-67 PERCENT
AT 7000 FEET.
* 24 HR TREND.........8 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 40
MPH IN THE EVENING.
* RIDGETOP.............WEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......66-73 AT 5000 FEET...58-68 AT 7000 FEET.
* 24 HR TREND.........8 DEGREES COOLER.
* MIN HUMIDITY..........27-37 PERCENT AT 5000 FEET...30-40 PERCENT
AT 7000 FEET.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTHWEST 5 TO 15 MPH IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......43-51 AT 5000 FEET...38-47 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES COOLER.
* MAX HUMIDITY..........46-56 PERCENT AT 5000 FEET...52-62 PERCENT
AT 7000 FEET.
* 24 HR TREND.........1 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY WITH SCATTERED RAIN SHOWERS.
* MAX TEMPERATURE.......59-68 AT 5000 FEET...54-64 AT 7000 FEET.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........34-44 PERCENT AT 5000 FEET...39-49 PERCENT
AT 7000 FEET.
* 24 HR TREND.........10 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 42 TO 50.
NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SHOWERS AND ISOLATED THUNDERSTORMS. LOWS
41 TO 48. HIGHS 60 TO 65. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 45 TO 51. HIGHS 64 TO 71. WEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 44 TO 50. HIGHS 63 TO 70. WEST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 44 TO 50. HIGHS 64 TO 71.
FRIDAY
PARTLY SUNNY. SCATTERED SHOWERS AND SNOW SHOWERS. HIGHS
58 TO 65.
MTZ127-261030-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......49-54.
* 24 HR TREND.........4 DEGREES COOLER.
* MAX HUMIDITY..........56-61 PERCENT.
* 24 HR TREND.........10 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE NORTHWEST OVERNIGHT.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......63-68.
* 24 HR TREND.........11 DEGREES COOLER.
* MIN HUMIDITY..........30-35 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......44-49.
* 24 HR TREND.........5 DEGREES COOLER.
* MAX HUMIDITY..........42-47 PERCENT.
* 24 HR TREND.........14 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......56-61.
* 24 HR TREND.........7 DEGREES COOLER.
* MIN HUMIDITY..........41-46 PERCENT.
* 24 HR TREND.........11 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 45 TO 50.
NORTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 44 TO 49. HIGHS 61 TO 66. SOUTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 66 TO 71. WEST
WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 63 TO 68.
NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 63 TO 68.
FRIDAY
MOSTLY CLOUDY. ISOLATED SHOWERS. HIGHS 56 TO 61.
MTZ128-261030-
YELLOWSTONE COUNTY-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......50-55.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........62-67 PERCENT.
* 24 HR TREND.........5 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE NORTHWEST OVERNIGHT.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......68-73.
* 24 HR TREND.........12 DEGREES COOLER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......45-50.
* 24 HR TREND.........5 DEGREES COOLER.
* MAX HUMIDITY..........45-50 PERCENT.
* 24 HR TREND.........17 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
MORNING.
* MAX TEMPERATURE.......61-66.
* 24 HR TREND.........7 DEGREES COOLER.
* MIN HUMIDITY..........40-45 PERCENT.
* 24 HR TREND.........4 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 45 TO 50.
NORTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 44 TO 49. HIGHS 65 TO 70. SOUTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS 71 TO 76. WEST
WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS 69 TO 74.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 69 TO 74.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS. HIGHS 62 TO 67.
MTZ129-261030-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......48-54 AT 5000 FEET...45-50 AT 7000 FEET.
* 24 HR TREND.........5 DEGREES COOLER.
* MAX HUMIDITY..........55-65 PERCENT AT 5000 FEET...54-61 PERCENT
AT 7000 FEET.
* 24 HR TREND.........14 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE WEST 5 TO 15 MPH OVERNIGHT.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......64-74 AT 5000 FEET...59-65 AT 7000 FEET.
* 24 HR TREND.........10 DEGREES COOLER.
* MIN HUMIDITY..........31-36 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTH WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE EAST 5 TO 15 MPH IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 20 TO 35 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......43-51 AT 5000 FEET...42-47 AT 7000 FEET.
* 24 HR TREND.........5 DEGREES COOLER.
* MAX HUMIDITY..........51-61 PERCENT AT 5000 FEET...49-59 PERCENT
AT 7000 FEET.
* 24 HR TREND.........7 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTHWEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......58-68 AT 5000 FEET...54-61 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES COOLER.
* MIN HUMIDITY..........34-44 PERCENT AT 5000 FEET...40-47 PERCENT
AT 7000 FEET.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 43 TO 50.
NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 43 TO 49. HIGHS
57 TO 67. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 63 TO 73. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 61 TO 71. NORTH
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 45 TO 51. HIGHS 62 TO 72.
FRIDAY
PARTLY SUNNY. ISOLATED SHOWERS. HIGHS 56 TO 66.
MTZ130-261030-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......51-56.
* 24 HR TREND.........3 DEGREES COOLER.
* MAX HUMIDITY..........58-63 PERCENT.
* 24 HR TREND.........12 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE NORTHWEST OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......68-73.
* 24 HR TREND.........12 DEGREES COOLER.
* MIN HUMIDITY..........29-34 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......44-49.
* 24 HR TREND.........7 DEGREES COOLER.
* MAX HUMIDITY..........46-51 PERCENT.
* 24 HR TREND.........12 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......65-70.
* 24 HR TREND.........3 DEGREES COOLER.
* MIN HUMIDITY..........35-40 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 46 TO 51.
NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 44 TO 49. HIGHS
65 TO 70. NORTH WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 71 TO 76. WEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 69 TO 74.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 69 TO 74.
FRIDAY
PARTLY SUNNY. HIGHS 63 TO 68.
MTZ131-261030-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......48-53.
* 24 HR TREND.........4 DEGREES COOLER.
* MAX HUMIDITY..........54-59 PERCENT.
* 24 HR TREND.........21 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE WEST OVERNIGHT.
* RIDGETOP.............SOUTH BECOMING NORTHWEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......70-75.
* 24 HR TREND.........8 DEGREES COOLER.
* MIN HUMIDITY..........24-29 PERCENT.
* 24 HR TREND.........7 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH.
* RIDGETOP.............NORTH BECOMING EAST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......42-47.
* 24 HR TREND.........6 DEGREES COOLER.
* MAX HUMIDITY..........55-60 PERCENT.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH.
* RIDGETOP.............EAST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......69-74.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........12 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH.
* RIDGETOP.............EAST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 46 TO 51. NORTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 42 TO 47. HIGHS
65 TO 70. NORTH WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 71 TO 76. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 43 TO 48. HIGHS 70 TO 75. NORTH
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 44 TO 49. HIGHS 71 TO 76.
FRIDAY
PARTLY SUNNY. HIGHS 66 TO 71.
MTZ132-261030-
CUSTER COUNTY-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......53-58.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........71-76 PERCENT.
* 24 HR TREND.........11 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......66-71.
* 24 HR TREND.........8 DEGREES COOLER.
* MIN HUMIDITY..........24-29 PERCENT.
* 24 HR TREND.........5 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......45-50.
* 24 HR TREND.........8 DEGREES COOLER.
* MAX HUMIDITY..........46-51 PERCENT.
* 24 HR TREND.........25 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY.
* MAX TEMPERATURE.......65-70.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........10 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...8 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 49 TO 54. EAST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 44 TO 49. HIGHS
62 TO 67. NORTH WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 68 TO 73. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 66 TO 71. WEST
WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 66 TO 71.
FRIDAY
PARTLY SUNNY. HIGHS 62 TO 67.
MTZ133-261030-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......53-58.
* 24 HR TREND.........4 DEGREES WARMER.
* MAX HUMIDITY..........93-98 PERCENT.
* 24 HR TREND.........15 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......70-75.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........24-29 PERCENT.
* 24 HR TREND.........19 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30
MPH IN THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......46-51.
* 24 HR TREND.........7 DEGREES COOLER.
* MAX HUMIDITY..........59-64 PERCENT.
* 24 HR TREND.........34 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN
THE AFTERNOON.
* MAX TEMPERATURE.......67-72.
* 24 HR TREND.........3 DEGREES COOLER.
* MIN HUMIDITY..........46-51 PERCENT.
* 24 HR TREND.........22 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 15 MPH IN THE MORNING
INCREASING TO 15 TO 25 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
CLOUDY. SHOWERS AND ISOLATED THUNDERSTORMS. LOWS
51 TO 56. EAST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 46 TO 51. HIGHS
65 TO 70. NORTHWEST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 69 TO 74. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS 68 TO 73.
NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 67 TO 72.
FRIDAY
PARTLY SUNNY. HIGHS 65 TO 70.
WYZ274-261030-
SHERIDAN COUNTY-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......46-51.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........70-75 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......71-76.
* 24 HR TREND.........7 DEGREES COOLER.
* MIN HUMIDITY..........29-34 PERCENT.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE EAST IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......41-46.
* 24 HR TREND.........5 DEGREES COOLER.
* MAX HUMIDITY..........76-81 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTH WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT OVERNIGHT.
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......66-71.
* 24 HR TREND.........5 DEGREES COOLER.
* MIN HUMIDITY..........37-42 PERCENT.
* 24 HR TREND.........8 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING
NORTHEAST 5 TO 10 MPH IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 43 TO 48.
NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 39 TO 44. HIGHS 63 TO 68. NORTHWEST WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 42 TO 47. HIGHS 69 TO 74. NORTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 69 TO 74. WEST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 41 TO 46. HIGHS 70 TO 75.
FRIDAY
MOSTLY SUNNY. HIGHS 65 TO 70.
WYZ284-261030-
BIGHORN NATIONAL FOREST-
253 PM MDT FRI SEP 25 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......39-44.
* 24 HR TREND.........6 DEGREES WARMER.
* MAX HUMIDITY..........65-70 PERCENT.
* 24 HR TREND.........15 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......60-65.
* 24 HR TREND.........3 DEGREES COOLER.
* MIN HUMIDITY..........27-32 PERCENT.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......35-40.
* 24 HR TREND.........4 DEGREES COOLER.
* MAX HUMIDITY..........68-73 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
MORNING.
* MAX TEMPERATURE.......58-63.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........7 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 35 TO 40.
SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 31 TO 36. HIGHS 52 TO 57. WEST WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 34 TO 39. HIGHS 56 TO 61. WEST
WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 33 TO 38. HIGHS 56 TO 61. WEST
WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 34 TO 39. HIGHS 58 TO 63.
FRIDAY
MOSTLY SUNNY. ISOLATED SHOWERS. HIGHS 52 TO 57.
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