827
FNUS55 KBYZ 200835
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA
NATIONAL WEATHER SERVICE BILLINGS MT
135 AM MST THU NOV 20 2025
DISCUSSION
TEMPS WILL REMAIN ABOVE NORMAL THROUGH MONDAY WITH MAINLY DRY
CONDITIONS. LOOK FOR WINDS TO PICK UP SOME IN THE FOOTHILLS OF
SOUTH CENTRAL MONTANA LATE FRIDAY (GUSTS 25-35 MPH POSSIBLE).
LOOKING AHEAD, WE SEE A SIGNIFICANT PATTERN CHANGE OCCURRING
AROUND TUESDAY WITH MUCH COOLER CONDITIONS THROUGH THE
THANKSGIVING HOLIDAY WEEKEND, AND POSSIBLY SOME AREAS OF LIGHT
SNOW. BT
MTZ123-202315-
GALLATIN NATIONAL FOREST-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......45-54 AT 5000 FEET...37-47 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........48-58 PERCENT AT 5000 FEET...53-63 PERCENT
AT 7000 FEET.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH IN THE MORNING
BECOMING LIGHT IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......25-35 AT 5000 FEET...22-32 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES COOLER.
* MAX HUMIDITY..........75-80 PERCENT.
* 24 HR TREND.........6 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS IN THE EVENING BECOMING EAST 5
TO 10 MPH OVERNIGHT.
* RIDGETOP.............LIGHT WINDS.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......46-56 AT 5000 FEET...37-47 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........41-51 PERCENT AT 5000 FEET...47-57 PERCENT
AT 7000 FEET.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 25 TO 35. SOUTHWEST WINDS
5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 27 TO 37. HIGHS 46 TO 54.
SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 29 TO 39. HIGHS 49 TO 57. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 17 TO 27.
HIGHS 45 TO 52. SOUTHWEST WINDS 5 TO 15 MPH.
TUESDAY
COLDER. MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS
10 TO 20. HIGHS 28 TO 38.
WEDNESDAY
PARTLY SUNNY. HIGHS 28 TO 38.
MTZ124-202315-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.
PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......50-55.
* 24 HR TREND.........11 DEGREES WARMER.
* MIN HUMIDITY..........45-50 PERCENT.
* 24 HR TREND.........13 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......27-32.
* 24 HR TREND.........4 DEGREES WARMER.
* MAX HUMIDITY..........77-82 PERCENT.
* 24 HR TREND.........11 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......51-56.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 37. WEST WINDS 15 TO
25 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 29 TO 34. HIGHS 52 TO 57. WEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 32 TO 37. HIGHS 55 TO 60. WEST
WINDS 10 TO 20 MPH.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
19 TO 24. HIGHS 50 TO 55. WEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH.
TUESDAY
COLDER. MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS
12 TO 17. HIGHS 32 TO 37.
WEDNESDAY
MOSTLY SUNNY. HIGHS 31 TO 36.
MTZ125-202315-
STILLWATER COUNTY-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......49-54.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........50-55 PERCENT.
* 24 HR TREND.........1 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............LIGHT WINDS.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......30-35.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........65-70 PERCENT.
* 24 HR TREND.........15 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......54-59.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........38-43 PERCENT.
* 24 HR TREND.........12 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING
BECOMING LIGHT IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 36. SOUTHWEST WINDS
5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 31 TO 36. HIGHS 54 TO 59.
SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 32 TO 37. HIGHS 55 TO 60. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND SNOW SHOWERS. LOWS
23 TO 28. HIGHS 53 TO 58. WEST WINDS 5 TO 15 MPH.
TUESDAY
COLDER. MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS
16 TO 21. HIGHS 35 TO 40.
WEDNESDAY
MOSTLY SUNNY. HIGHS 32 TO 37.
MTZ126-202315-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......44-52 AT 5000 FEET...39-49 AT 7000 FEET.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........49-54 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE EAST IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......27-32.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........54-59 PERCENT.
* 24 HR TREND.........14 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.
* RIDGETOP.............LIGHT WINDS.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......44-54 AT 5000 FEET...40-50 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........38-43 PERCENT.
* 24 HR TREND.........11 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 37. SOUTHWEST WINDS
5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 31 TO 37. HIGHS 45 TO 55.
SOUTHWEST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 32 TO 38. HIGHS 45 TO 55. WEST
WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 23 TO 28.
HIGHS 45 TO 55. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
TUESDAY
COLDER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS
16 TO 21. HIGHS 27 TO 36.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SNOW SHOWERS. HIGHS 25 TO 33.
MTZ127-202315-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......45-50.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........57-62 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......33-38.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........73-78 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......50-55.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........43-48 PERCENT.
* 24 HR TREND.........14 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. WEST WINDS 5 TO
15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 34 TO 39. HIGHS 51 TO 56. WEST
WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 36 TO 41. HIGHS 52 TO 57. SOUTHWEST
WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
25 TO 30. HIGHS 50 TO 55. WEST WINDS 10 TO 20 MPH.
TUESDAY
COLDER. PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS
16 TO 21. HIGHS 31 TO 36.
WEDNESDAY
MOSTLY SUNNY. HIGHS 28 TO 33.
MTZ128-202315-
YELLOWSTONE COUNTY-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......47-52.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........55-60 PERCENT.
* 24 HR TREND.........8 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......29-34.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........81-86 PERCENT.
* 24 HR TREND.........12 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......54-59.
* 24 HR TREND.........7 DEGREES WARMER.
* MIN HUMIDITY..........41-46 PERCENT.
* 24 HR TREND.........14 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 32 TO 37. WEST WINDS 5 TO
15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 32 TO 37. HIGHS 54 TO 59.
SOUTHWEST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 34 TO 39. HIGHS 55 TO 60. SOUTHWEST
WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
24 TO 29. HIGHS 53 TO 58. WEST WINDS 10 TO 20 MPH.
TUESDAY
COLDER. MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS
16 TO 21. HIGHS 34 TO 39.
WEDNESDAY
MOSTLY SUNNY. HIGHS 33 TO 38.
MTZ129-202315-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......43-53 AT 5000 FEET...39-45 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........53-63 PERCENT AT 5000 FEET...59-67 PERCENT
AT 7000 FEET.
* 24 HR TREND.........10 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTHWEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......32-37.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........67-77 PERCENT AT 5000 FEET...61-71 PERCENT
AT 7000 FEET.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......46-56 AT 5000 FEET...40-48 AT 7000 FEET.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........41-51 PERCENT AT 5000 FEET...46-55 PERCENT
AT 7000 FEET.
* 24 HR TREND.........14 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 32 TO 37. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 31 TO 38. HIGHS 46 TO 56.
SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 33 TO 40. HIGHS 47 TO 57. SOUTH
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 22 TO 27.
HIGHS 46 TO 56. WEST WINDS 5 TO 15 MPH.
TUESDAY
MUCH COLDER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS.
LOWS 16 TO 21. HIGHS 26 TO 36.
WEDNESDAY
MOSTLY SUNNY. HIGHS 24 TO 34.
MTZ130-202315-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......46-51.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........54-59 PERCENT.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............LIGHT WINDS.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......27-32.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........88-93 PERCENT.
* 24 HR TREND.........5 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............LIGHT WINDS IN THE EVENING BECOMING SOUTH 5
TO 10 MPH OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......51-56.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........43-48 PERCENT.
* 24 HR TREND.........11 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 35. WEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 29 TO 34. HIGHS 51 TO 56. WEST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 31 TO 36. HIGHS 53 TO 58. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
23 TO 28. HIGHS 52 TO 57. WEST WINDS 5 TO 15 MPH.
TUESDAY
MUCH COLDER. MOSTLY CLOUDY. ISOLATED SNOW SHOWERS.
LOWS 15 TO 20. HIGHS 31 TO 36.
WEDNESDAY
MOSTLY SUNNY. HIGHS 29 TO 34.
MTZ131-202315-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......47-52.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........58-63 PERCENT.
* 24 HR TREND.........12 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......27-32.
* 24 HR TREND.........1 DEGREE WARMER.
* MAX HUMIDITY..........91-96 PERCENT.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS IN THE EVENING BECOMING
SOUTHWEST 5 TO 10 MPH OVERNIGHT.
* RIDGETOP.............SOUTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.
* MAX TEMPERATURE.......52-57.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........43-48 PERCENT.
* 24 HR TREND.........15 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.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 27 TO 32. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 28 TO 33. HIGHS 53 TO 58.
SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 28 TO 33. HIGHS 54 TO 59. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
22 TO 27. HIGHS 53 TO 58. WEST WINDS 5 TO 15 MPH.
TUESDAY
MUCH COLDER. PARTLY CLOUDY. ISOLATED SNOW SHOWERS.
LOWS 13 TO 18. HIGHS 31 TO 36.
WEDNESDAY
MOSTLY SUNNY. HIGHS 30 TO 35.
MTZ132-202315-
CUSTER COUNTY-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......43-48.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........57-62 PERCENT.
* 24 HR TREND.........17 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......30-35.
* 24 HR TREND.........4 DEGREES WARMER.
* MAX HUMIDITY..........91-96 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.
* MAX TEMPERATURE.......47-52.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........55-60 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 35. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 29 TO 34. HIGHS 48 TO 53.
SOUTHWEST WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 30 TO 35. HIGHS 50 TO 55. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 22 TO 27. HIGHS 50 TO 55. WEST
WINDS 5 TO 15 MPH.
TUESDAY
MUCH COLDER. MOSTLY CLOUDY. LOWS 14 TO 19. HIGHS 29 TO
34.
WEDNESDAY
MOSTLY SUNNY. HIGHS 25 TO 30.
MTZ133-202315-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.
PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......45-50.
* 24 HR TREND.........5 DEGREES COOLER.
* MIN HUMIDITY..........65-70 PERCENT.
* 24 HR TREND.........11 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......27-32.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........100 PERCENT.
* 24 HR TREND.........UNCHANGED.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......52-57.
* 24 HR TREND.........7 DEGREES WARMER.
* MIN HUMIDITY..........57-62 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 35. SOUTHWEST WINDS
5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 27 TO 32. HIGHS 50 TO 55. WEST
WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 29 TO 34. HIGHS 53 TO 58. SOUTHWEST
WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 22 TO 27. HIGHS 52 TO 57. WEST
WINDS 5 TO 15 MPH.
TUESDAY
MUCH COLDER. MOSTLY CLOUDY. LOWS 14 TO 19. HIGHS 31 TO
36.
WEDNESDAY
MOSTLY SUNNY. HIGHS 27 TO 32.
WYZ274-202315-
SHERIDAN COUNTY-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.
PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......47-52.
* 24 HR TREND.........3 DEGREES COOLER.
* MIN HUMIDITY..........58-63 PERCENT.
* 24 HR TREND.........10 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS.
* RIDGETOP.............SOUTHWEST 5 TO 10 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..........100 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS.
* RIDGETOP.............SOUTH 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......53-58.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........41-46 PERCENT.
* 24 HR TREND.........17 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS.
* RIDGETOP.............WEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 24 TO 29. WEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 25 TO 30. HIGHS 54 TO 59.
SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 27 TO 32. HIGHS 55 TO 60. LIGHT
WINDS.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND SNOW SHOWERS. LOWS
18 TO 23. HIGHS 55 TO 60. NORTHWEST WINDS 5 TO 15 MPH.
TUESDAY
MUCH COLDER. PARTLY CLOUDY. SCATTERED SNOW SHOWERS.
LOWS 9 TO 14. HIGHS 31 TO 36.
WEDNESDAY
MOSTLY SUNNY. HIGHS 31 TO 36.
WYZ284-202315-
BIGHORN NATIONAL FOREST-
135 AM MST THU NOV 20 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......40-45.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........50-55 PERCENT.
* 24 HR TREND.........4 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......22-27.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........77-82 PERCENT.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......42-47.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........41-46 PERCENT.
* 24 HR TREND.........9 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...
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 23 TO 28. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 23 TO 28. HIGHS 41 TO 46.
SOUTHWEST WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 24 TO 29. HIGHS 43 TO 48. WEST WINDS
5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 10 TO 15.
HIGHS 41 TO 46. WEST WINDS 5 TO 15 MPH.
TUESDAY
MUCH COLDER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS.
LOWS 4 TO 9. HIGHS 19 TO 24.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SNOW SHOWERS. HIGHS 18 TO 23.
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