776
FNUS55 KBYZ 210920
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA
NATIONAL WEATHER SERVICE BILLINGS MT
220 AM MST FRI NOV 21 2025
DISCUSSION
WARM AND DRY CONDITIONS THROUGH SUNDAY, WITH PERIODS OF GUSTY
WEST TO SOUTHWEST WINDS ALONG THE WESTERN FOOTHILLS THROUGH THE
PERIOD. MONDAY IS A TRANSITION DAY WITH A STRONG COLD FRONT
ARRIVING IN THE AFTERNOON. WINDS WILL BE STRONG OUT OF THE WEST TO
NORTHWEST AHEAD OF THE COLD FRONT ACROSS THE DISTRICT. LIGHT SNOW
DEVELOPS BEHIND THE FRONT ALONG WITH THE POTENTIAL FOR STRONG
NORTHERLY WINDS CONTINUING INTO TUESDAY NIGHT. COOLER THAN
AVERAGE TEMPERATURES WITH PERIODS OF LIGHT SNOW EXPECTED FOR THE
REST OF THE HOLIDAY WEEK. CHAMBERS
MTZ123-212315-
GALLATIN NATIONAL FOREST-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......46-56 AT 5000 FEET...37-47 AT 7000 FEET.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........38-48 PERCENT AT 5000 FEET...44-54 PERCENT
AT 7000 FEET.
* 24 HR TREND.........19 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......26-36 AT 5000 FEET...24-34 AT 7000 FEET.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........66-76 PERCENT AT 5000 FEET...69-79 PERCENT
AT 7000 FEET.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......47-55 AT 5000 FEET...37-47 AT 7000 FEET.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........38-48 PERCENT AT 5000 FEET...43-53 PERCENT
AT 7000 FEET.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 25 TO 35. SOUTH WINDS 5 TO
15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 25 TO 35. HIGHS 49 TO 56. SOUTH
WINDS 5 TO 10 MPH.
MONDAY
COLDER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS
14 TO 24. HIGHS 34 TO 43. WEST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS 12 TO 22. HIGHS 27 TO 36.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 20 TO
30. HIGHS 31 TO 38.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. HIGHS 36 TO
45.
MTZ124-212315-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......51-56.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......31-36.
* 24 HR TREND.........4 DEGREES WARMER.
* MAX HUMIDITY..........58-63 PERCENT.
* 24 HR TREND.........19 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......54-59.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........28-33 PERCENT.
* 24 HR TREND.........6 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
30 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 35. WEST WINDS 10 TO
20 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 29 TO 34. HIGHS 55 TO 60. WEST
WINDS 5 TO 15 MPH.
MONDAY
COLDER, WINDY. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS.
LOWS 17 TO 22. HIGHS 39 TO 44. WEST WINDS 15 TO 30 MPH WITH GUSTS
TO AROUND 45 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 14 TO 19. HIGHS 32 TO 37. WEST
WINDS 10 TO 20 MPH.
WEDNESDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 19 TO 24.
HIGHS 33 TO 38.
THURSDAY
PARTLY SUNNY. SCATTERED SNOW SHOWERS. HIGHS 40 TO 45.
MTZ125-212315-
STILLWATER COUNTY-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......54-59.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........37-42 PERCENT.
* 24 HR TREND.........11 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......31-36.
* 24 HR TREND.........1 DEGREE WARMER.
* MAX HUMIDITY..........55-60 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......54-59.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 31 TO 36. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 30 TO 35. HIGHS 55 TO 60. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND
ISOLATED RAIN SHOWERS. LOWS 20 TO 25. HIGHS 44 TO 49. WEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS 18 TO 23. HIGHS 35 TO 40. WEST
WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 23 TO
28. HIGHS 34 TO 39.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. HIGHS 41 TO
46.
MTZ126-212315-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......45-55 AT 5000 FEET...40-50 AT 7000 FEET.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......31-37 AT 5000 FEET...25-35 AT 7000 FEET.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........43-48 PERCENT.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......44-54 AT 5000 FEET...40-50 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 31 TO 37. SOUTHWEST WINDS
5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 30 TO 35. HIGHS 46 TO 56. WEST WINDS
5 TO 15 MPH.
MONDAY
COLDER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS
20 TO 25. HIGHS 37 TO 46. WEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 30 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 18 TO 23. HIGHS 26 TO 36. WEST
WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 23 TO
28. HIGHS 27 TO 36.
THURSDAY
PARTLY SUNNY. SCATTERED SNOW SHOWERS. HIGHS 32 TO 42.
MTZ127-212315-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......51-56.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........42-47 PERCENT.
* 24 HR TREND.........12 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
30 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......35-40.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........54-59 PERCENT.
* 24 HR TREND.........13 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......51-56.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........6 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. SOUTHWEST WINDS
5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 34 TO 39. HIGHS 52 TO 57. SOUTHWEST
WINDS 5 TO 15 MPH.
MONDAY
COLDER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS
23 TO 28. HIGHS 42 TO 47. WEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
TUESDAY
COLDER. PARTLY CLOUDY. LOWS 18 TO 23. HIGHS 31 TO 36.
NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 24 TO 29.
HIGHS 30 TO 35.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. HIGHS 34 TO
39.
MTZ128-212315-
YELLOWSTONE COUNTY-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......54-59.
* 24 HR TREND.........9 DEGREES WARMER.
* MIN HUMIDITY..........40-45 PERCENT.
* 24 HR TREND.........14 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......31-36.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........69-74 PERCENT.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......53-58.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........4 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 37. SOUTHWEST WINDS
5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 32 TO 37. HIGHS 55 TO 60. SOUTHWEST
WINDS 5 TO 15 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW
SHOWERS. LOWS 23 TO 28. HIGHS 45 TO 50. WEST WINDS 10 TO 20 MPH
WITH GUSTS TO AROUND 30 MPH.
TUESDAY
COLDER. PARTLY CLOUDY. LOWS 17 TO 22. HIGHS 34 TO 39.
WEST WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 22 TO 27.
HIGHS 33 TO 38.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. HIGHS 38 TO
43.
MTZ129-212315-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......46-56 AT 5000 FEET...40-48 AT 7000 FEET.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........42-52 PERCENT AT 5000 FEET...45-55 PERCENT
AT 7000 FEET.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......31-38 AT 5000 FEET...30-36 AT 7000 FEET.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........57-67 PERCENT AT 5000 FEET...50-60 PERCENT
AT 7000 FEET.
* 24 HR TREND.........18 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.
* MAX TEMPERATURE.......45-55 AT 5000 FEET...39-48 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........33-43 PERCENT AT 5000 FEET...36-45 PERCENT
AT 7000 FEET.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 32 TO 38. SOUTH WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 31 TO 36. HIGHS 48 TO 58. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
COLDER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS
19 TO 26. HIGHS 37 TO 47. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO AROUND 30 MPH.
TUESDAY
COLDER. MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS
16 TO 23. HIGHS 25 TO 35. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 21 TO 28.
HIGHS 28 TO 38.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. HIGHS 32 TO
42.
MTZ130-212315-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......52-57.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........42-47 PERCENT.
* 24 HR TREND.........UNCHANGED.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......29-34.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........73-78 PERCENT.
* 24 HR TREND.........13 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......51-56.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........6 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 35. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 31 TO 36. HIGHS 54 TO 59. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW SHOWERS.
LOWS 20 TO 25. HIGHS 46 TO 51. WEST WINDS 5 TO 15 MPH.
TUESDAY
COLDER. PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS
13 TO 18. HIGHS 31 TO 36. NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS 17 TO 22. HIGHS 29 TO 34.
THURSDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. HIGHS 31 TO 36.
MTZ131-212315-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......54-59.
* 24 HR TREND.........11 DEGREES WARMER.
* MIN HUMIDITY..........40-45 PERCENT.
* 24 HR TREND.........37 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......28-33.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........73-78 PERCENT.
* 24 HR TREND.........19 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......52-57.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........7 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 26 TO 31. SOUTH WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 28 TO 33. HIGHS 55 TO 60. SOUTH
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 19 TO 24.
HIGHS 46 TO 51. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
TUESDAY
COLDER. PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS
11 TO 16. HIGHS 31 TO 36. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS 17 TO 22. HIGHS 32 TO 37.
THURSDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. HIGHS 36 TO 41.
MTZ132-212315-
CUSTER COUNTY-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........SUNNY. AREAS OF FOG IN THE MORNING.
* MAX TEMPERATURE.......48-53.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........53-58 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......29-34.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........74-79 PERCENT.
* 24 HR TREND.........16 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......47-52.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........43-48 PERCENT.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 35. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 30 TO 35. HIGHS 51 TO 56. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 20 TO 25.
HIGHS 44 TO 49. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
30 MPH.
TUESDAY
COLDER. PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS
10 TO 15. HIGHS 27 TO 32. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS 14 TO 19. HIGHS 25 TO 30.
THURSDAY
PARTLY SUNNY. HIGHS 27 TO 32.
MTZ133-212315-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. AREAS OF FOG IN THE MORNING.
* MAX TEMPERATURE.......51-56.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........54-59 PERCENT.
* 24 HR TREND.........14 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......30-35.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........80-85 PERCENT.
* 24 HR TREND.........18 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......50-55.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........44-49 PERCENT.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 28 TO 33. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 29 TO 34. HIGHS 54 TO 59. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 19 TO 24.
HIGHS 47 TO 52. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
35 MPH.
TUESDAY
COLDER. MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS
12 TO 17. HIGHS 29 TO 34. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS
TO AROUND 40 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS 14 TO 19. HIGHS 28 TO 33.
THURSDAY
PARTLY SUNNY. HIGHS 30 TO 35.
WYZ274-212315-
SHERIDAN COUNTY-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......54-59.
* 24 HR TREND.........13 DEGREES WARMER.
* MIN HUMIDITY..........39-44 PERCENT.
* 24 HR TREND.........27 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......25-30.
* 24 HR TREND.........1 DEGREE WARMER.
* MAX HUMIDITY..........70-75 PERCENT.
* 24 HR TREND.........24 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......53-58.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........5 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 25 TO 30. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 25 TO 30. HIGHS 56 TO 61. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND RAIN
SHOWERS. LOWS 15 TO 20. HIGHS 46 TO 51. NORTHWEST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
COLDER. MOSTLY CLOUDY. LOWS 10 TO 15. HIGHS 32 TO 37.
NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS 16 TO 21. HIGHS 33 TO 38.
THURSDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. HIGHS 38 TO 43.
WYZ284-212315-
BIGHORN NATIONAL FOREST-
220 AM MST FRI NOV 21 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......41-46.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........40-45 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......23-28.
* 24 HR TREND.........1 DEGREE WARMER.
* MAX HUMIDITY..........61-66 PERCENT.
* 24 HR TREND.........16 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......41-46.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........32-37 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 24 TO 29. SOUTHWEST WINDS
5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 22 TO 27. HIGHS 44 TO 49. WEST WINDS
5 TO 15 MPH.
MONDAY
COLDER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS
7 TO 12. HIGHS 31 TO 36. WEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
TUESDAY
COLDER. PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS
5 TO 10. HIGHS 17 TO 22. WEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 35 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 12 TO
17. HIGHS 22 TO 27.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. HIGHS 28 TO
33.
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