992
FNUS55 KBYZ 011045
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA
NATIONAL WEATHER SERVICE BILLINGS MT
345 AM MST MON DEC 1 2025
DISCUSSION
NEAR NORMAL TEMPERATURES RETURN TODAY AND TUESDAY, WITH HIGHS IN
THE 20S AND 30S. WEST-SOUTHWEST WINDS WILL INCREASE OVER THE
FOOTHILLS WEST OF BILLINGS TODAY, WITH THE STRONGEST WINDS TONIGHT
INTO TUESDAY. ANOTHER WINTER WEATHER SYSTEM IS THEN EXPECTED TO
DROP THROUGH THE AREA LATE TONIGHT AND LAST INTO WEDNESDAY. THIS
WILL BRING A MODERATE TO HIGH CHANCE OF PRECIPITATION
(RAIN/SNOW). SLIGHTLY COOLER TEMPERATURES WILL ACCOMPANY THIS
SYSTEM FOR MID-WEEK. ANOTHER WEATHER SYSTEM IS POSSIBLE TO END THE
WEEK, THOUGH DETAILS ARE UNCLEAR AT THIS TIME. MATOS
MTZ123-012330-
GALLATIN NATIONAL FOREST-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......29-38 AT 5000 FEET...22-32 AT 7000 FEET.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........43-53 PERCENT AT 5000 FEET...50-60 PERCENT
AT 7000 FEET.
* 24 HR TREND.........5 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........CLOUDY. SCATTERED SNOW SHOWERS IN THE
EVENING, THEN SNOW LIKELY OVERNIGHT.
* MIN TEMPERATURE.......20-30 AT 5000 FEET...15-25 AT 7000 FEET.
* 24 HR TREND.........14 DEGREES WARMER.
* MAX HUMIDITY..........80-90 PERCENT AT 5000 FEET...76-86 PERCENT
AT 7000 FEET.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................50 PERCENT.
TUESDAY
* SKY/WEATHER...........CLOUDY WITH SNOW.
* MAX TEMPERATURE.......31-40 AT 5000 FEET...23-33 AT 7000 FEET.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........65-75 PERCENT AT 5000 FEET...68-78 PERCENT
AT 7000 FEET.
* 24 HR TREND.........26 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................70 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
COLDER, CLOUDY. SCATTERED SNOW SHOWERS. LOWS
11 TO 21. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 14 TO 24. HIGHS 28 TO 38.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 21 TO 31.
HIGHS 31 TO 39. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SNOW LIKELY. LOWS 20 TO 30. HIGHS 34 TO
42. SOUTHWEST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SNOW LIKELY. LOWS 16 TO 26. HIGHS
32 TO 42.
SUNDAY
PARTLY SUNNY. ISOLATED SNOW SHOWERS. HIGHS 34 TO 41.
MTZ124-012330-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........PARTLY SUNNY. PATCHY BLOWING SNOW THROUGH
THE DAY.
* MAX TEMPERATURE.......33-38.
* 24 HR TREND.........10 DEGREES WARMER.
* MIN HUMIDITY..........46-51 PERCENT.
* 24 HR TREND.........8 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WINDY. WEST WINDS 15 TO 30 MPH WITH GUSTS TO
AROUND 35 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......25-30.
* 24 HR TREND.........15 DEGREES WARMER.
* MAX HUMIDITY..........75-80 PERCENT.
* 24 HR TREND.........11 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WINDY. WEST WINDS 20 TO 35 MPH WITH GUSTS TO
AROUND 45 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS.
* MAX TEMPERATURE.......35-40.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........69-74 PERCENT.
* 24 HR TREND.........23 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
COLDER. MOSTLY CLOUDY. ISOLATED SNOW SHOWERS.
LOWS 12 TO 17. NORTHWEST WINDS 10 TO 20 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 19 TO 24. HIGHS 32 TO 37. WEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 24 TO 29.
HIGHS 36 TO 41. WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND RAIN SHOWERS.
LOWS 19 TO 24. HIGHS 40 TO 45. WEST WINDS 15 TO 25 MPH WITH GUSTS
TO AROUND 35 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 16 TO 21.
HIGHS 33 TO 38.
SUNDAY
PARTLY SUNNY. HIGHS 37 TO 42.
MTZ125-012330-
STILLWATER COUNTY-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......35-40.
* 24 HR TREND.........16 DEGREES WARMER.
* MIN HUMIDITY..........38-43 PERCENT.
* 24 HR TREND.........19 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY WITH ISOLATED SNOW SHOWERS.
* MIN TEMPERATURE.......21-26.
* 24 HR TREND.........14 DEGREES WARMER.
* MAX HUMIDITY..........68-73 PERCENT.
* 24 HR TREND.........26 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS.
* MAX TEMPERATURE.......38-43.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........61-66 PERCENT.
* 24 HR TREND.........23 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
CLOUDY, SNOW. LOWS 16 TO 21. NORTHWEST WINDS
5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 16 TO 21. HIGHS 33 TO 38. WEST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 24 TO 29.
HIGHS 38 TO 43. SOUTHWEST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SNOW LIKELY. LOWS 23 TO 28. HIGHS 40 TO
45. SOUTHWEST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 16 TO 21.
HIGHS 36 TO 41.
SUNDAY
PARTLY SUNNY. HIGHS 39 TO 44.
MTZ126-012330-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......25-35 AT 5000 FEET...21-31 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........43-53 PERCENT AT 5000 FEET...37-47 PERCENT
AT 7000 FEET.
* 24 HR TREND.........7 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH.
* RIDGETOP.............NORTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY WITH ISOLATED SNOW SHOWERS.
PATCHY BLOWING SNOW THROUGH THE NIGHT.
* MIN TEMPERATURE.......17-22.
* 24 HR TREND.........8 DEGREES WARMER.
* MAX HUMIDITY..........58-63 PERCENT.
* 24 HR TREND.........10 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
30 MPH.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TUESDAY
* SKY/WEATHER...........PATCHY BLOWING SNOW IN THE MORNING. MOSTLY
CLOUDY WITH SNOW LIKELY.
* MAX TEMPERATURE.......29-39 AT 5000 FEET...25-35 AT 7000 FEET.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........58-68 PERCENT AT 5000 FEET...60-70 PERCENT
AT 7000 FEET.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE MORNING.
* RIDGETOP.............NORTHWEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................50 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
CLOUDY, SNOW. LOWS 17 TO 22. NORTHWEST WINDS
10 TO 20 MPH.
WEDNESDAY
PARTLY CLOUDY. PATCHY BLOWING SNOW. ISOLATED SNOW
SHOWERS. LOWS 16 TO 21. HIGHS 24 TO 34. WEST WINDS 10 TO 20 MPH
WITH GUSTS TO AROUND 30 MPH.
THURSDAY
MOSTLY CLOUDY. PATCHY BLOWING SNOW. SCATTERED SNOW
SHOWERS. LOWS 19 TO 26. HIGHS 27 TO 37. WEST WINDS 10 TO 20 MPH
WITH GUSTS TO AROUND 30 MPH.
FRIDAY
MOSTLY CLOUDY. PATCHY BLOWING SNOW. SNOW LIKELY. LOWS
21 TO 26. HIGHS 30 TO 40. WEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 30 MPH.
SATURDAY
MOSTLY CLOUDY. SNOW LIKELY. LOWS 16 TO 22. HIGHS
27 TO 37.
SUNDAY
PARTLY SUNNY. ISOLATED SNOW SHOWERS. HIGHS 29 TO 39.
MTZ127-012330-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......30-35.
* 24 HR TREND.........11 DEGREES WARMER.
* MIN HUMIDITY..........43-48 PERCENT.
* 24 HR TREND.........20 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. PATCHY BLOWING SNOW THROUGH
THE NIGHT. SCATTERED SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......25-30.
* 24 HR TREND.........16 DEGREES WARMER.
* MAX HUMIDITY..........89-94 PERCENT.
* 24 HR TREND.........14 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
30 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................20 PERCENT.
TUESDAY
* SKY/WEATHER...........PATCHY BLOWING SNOW IN THE MORNING. CLOUDY
WITH SNOW LIKELY.
* MAX TEMPERATURE.......32-37.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........76-81 PERCENT.
* 24 HR TREND.........33 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE MORNING.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................50 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
COLDER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS.
LOWS 15 TO 20. NORTH WINDS 10 TO 20 MPH.
WEDNESDAY
PARTLY CLOUDY. PATCHY BLOWING SNOW. LOWS 18 TO 23.
HIGHS 23 TO 28. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
THURSDAY
MOSTLY CLOUDY. PATCHY BLOWING SNOW. SCATTERED SNOW
SHOWERS. LOWS 27 TO 32. HIGHS 33 TO 38. WEST WINDS 15 TO 25 MPH
WITH GUSTS TO AROUND 30 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 17 TO 22.
HIGHS 33 TO 38. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
SATURDAY
MOSTLY CLOUDY. SNOW LIKELY. LOWS 14 TO 19. HIGHS
25 TO 30.
SUNDAY
PARTLY SUNNY. HIGHS 32 TO 37.
MTZ128-012330-
YELLOWSTONE COUNTY-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY BLOWING SNOW.
* MAX TEMPERATURE.......30-35.
* 24 HR TREND.........18 DEGREES WARMER.
* MIN HUMIDITY..........49-54 PERCENT.
* 24 HR TREND.........22 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 30 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. PATCHY BLOWING SNOW THROUGH
THE NIGHT. ISOLATED SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......23-28.
* 24 HR TREND.........19 DEGREES WARMER.
* MAX HUMIDITY..........84-89 PERCENT.
* 24 HR TREND.........1 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 15 TO 25 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TUESDAY
* SKY/WEATHER...........CLOUDY. PATCHY BLOWING SNOW IN THE MORNING.
SCATTERED SNOW SHOWERS AND ISOLATED RAIN SHOWERS IN THE MORNING,
THEN SCATTERED RAIN SHOWERS AND SNOW SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......36-41.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........75-80 PERCENT.
* 24 HR TREND.........26 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................30 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
CLOUDY. SCATTERED SNOW SHOWERS AND RAIN SHOWERS.
LOWS 16 TO 21. NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 17 TO 22. HIGHS 28 TO 33.
SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 24 TO 29.
HIGHS 34 TO 39. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW SHOWERS.
LOWS 20 TO 25. HIGHS 37 TO 42. SOUTHWEST WINDS 10 TO 20 MPH WITH
GUSTS TO AROUND 30 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 14 TO 19.
HIGHS 30 TO 35.
SUNDAY
PARTLY SUNNY. HIGHS 34 TO 39.
MTZ129-012330-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......25-35 AT 5000 FEET...21-29 AT 7000 FEET.
* 24 HR TREND.........9 DEGREES WARMER.
* MIN HUMIDITY..........39-44 PERCENT.
* 24 HR TREND.........16 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......20-28 AT 5000 FEET...18-24 AT 7000 FEET.
* 24 HR TREND.........14 DEGREES WARMER.
* MAX HUMIDITY..........71-81 PERCENT AT 5000 FEET...74-84 PERCENT
AT 7000 FEET.
* 24 HR TREND.........UNCHANGED.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................10 PERCENT.
TUESDAY
* SKY/WEATHER...........CLOUDY. SCATTERED SNOW SHOWERS IN THE
MORNING, THEN SNOW LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE.......29-39 AT 5000 FEET...24-31 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........64-74 PERCENT AT 5000 FEET...68-76 PERCENT
AT 7000 FEET.
* 24 HR TREND.........33 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH.
* RIDGETOP.............NORTHWEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................60 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
COLDER, CLOUDY, SNOW. LOWS 15 TO 22. NORTHWEST
WINDS 10 TO 20 MPH.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 15 TO 23.
HIGHS 23 TO 33. SOUTHWEST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 21 TO 29.
HIGHS 27 TO 37. WEST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 21 TO 26.
HIGHS 30 TO 40. WEST WINDS 10 TO 20 MPH.
SATURDAY
MOSTLY CLOUDY. SNOW LIKELY. LOWS 17 TO 23. HIGHS
26 TO 36.
SUNDAY
PARTLY SUNNY. HIGHS 29 TO 39.
MTZ130-012330-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......27-32.
* 24 HR TREND.........18 DEGREES WARMER.
* MIN HUMIDITY..........61-66 PERCENT.
* 24 HR TREND.........5 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......19-24.
* 24 HR TREND.........24 DEGREES WARMER.
* MAX HUMIDITY..........89-94 PERCENT.
* 24 HR TREND.........4 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................10 PERCENT.
TUESDAY
* SKY/WEATHER...........CLOUDY. SCATTERED SNOW SHOWERS AND ISOLATED
RAIN SHOWERS IN THE MORNING, THEN RAIN AND SNOW LIKELY IN THE
AFTERNOON.
* MAX TEMPERATURE.......33-38.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........81-86 PERCENT.
* 24 HR TREND.........20 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................50 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
COLDER, CLOUDY. SNOW AND RAIN LIKELY. LOWS 10 TO
15. NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY
COLDER. PARTLY CLOUDY. LOWS 11 TO 16. HIGHS 20 TO
25. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
NOT AS COOL. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS.
LOWS 23 TO 28. HIGHS 33 TO 38. WEST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SNOW AND RAIN LIKELY. LOWS 13 TO 18.
HIGHS 34 TO 39. WEST WINDS 5 TO 15 MPH.
SATURDAY
COLDER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS
7 TO 12. HIGHS 23 TO 28.
SUNDAY
PARTLY SUNNY. HIGHS 29 TO 34.
MTZ131-012330-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......32-37.
* 24 HR TREND.........10 DEGREES WARMER.
* MIN HUMIDITY..........46-51 PERCENT.
* 24 HR TREND.........17 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.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......17-22.
* 24 HR TREND.........18 DEGREES WARMER.
* MAX HUMIDITY..........83-88 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........CLOUDY. SCATTERED SNOW SHOWERS IN THE
MORNING, THEN SCATTERED SNOW SHOWERS AND ISOLATED RAIN SHOWERS IN
THE AFTERNOON.
* MAX TEMPERATURE.......35-40.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........75-80 PERCENT.
* 24 HR TREND.........29 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH.
* RIDGETOP.............NORTHWEST 20 TO 25 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................30 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
CLOUDY, SNOW. LOWS 12 TO 17. NORTHWEST WINDS
5 TO 15 MPH.
WEDNESDAY
COLDER. PARTLY CLOUDY. LOWS 12 TO 17. HIGHS 24 TO
29. WEST WINDS 5 TO 15 MPH.
THURSDAY
NOT AS COOL. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS.
LOWS 21 TO 26. HIGHS 36 TO 41. WEST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 18 TO 23.
HIGHS 36 TO 41. WEST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 12 TO 17.
HIGHS 29 TO 34.
SUNDAY
PARTLY SUNNY. HIGHS 34 TO 39.
MTZ132-012330-
CUSTER COUNTY-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......22-27.
* 24 HR TREND.........9 DEGREES WARMER.
* MIN HUMIDITY..........63-68 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......15-20.
* 24 HR TREND.........14 DEGREES WARMER.
* MAX HUMIDITY..........94-99 PERCENT.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TUESDAY
* SKY/WEATHER...........CLOUDY WITH SCATTERED SNOW SHOWERS.
* MAX TEMPERATURE.......31-36.
* 24 HR TREND.........9 DEGREES WARMER.
* MIN HUMIDITY..........86-91 PERCENT.
* 24 HR TREND.........23 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................30 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
COLDER, CLOUDY. SCATTERED SNOW SHOWERS. LOWS
4 TO 9. NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY
COLDER. PARTLY CLOUDY. LOWS 7 TO 12. HIGHS 14 TO 19.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
NOT AS COLD. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS.
LOWS 21 TO 26. HIGHS 30 TO 35. WEST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SNOW LIKELY. LOWS 12 TO 17. HIGHS 30 TO
35. WEST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 5 TO 10.
HIGHS 22 TO 27.
SUNDAY
PARTLY SUNNY. HIGHS 24 TO 29.
MTZ133-012330-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......25-30.
* 24 HR TREND.........18 DEGREES WARMER.
* MIN HUMIDITY..........58-63 PERCENT.
* 24 HR TREND.........1 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......14-19.
* 24 HR TREND.........23 DEGREES WARMER.
* MAX HUMIDITY..........90-95 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE
MORNING, THEN SCATTERED SNOW SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......33-38.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........83-88 PERCENT.
* 24 HR TREND.........25 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
CLOUDY. SCATTERED SNOW SHOWERS. LOWS 7 TO 12.
NORTHWEST WINDS 10 TO 20 MPH.
WEDNESDAY
COLDER. PARTLY CLOUDY. LOWS 7 TO 12. HIGHS 18 TO 23.
WEST WINDS 5 TO 15 MPH.
THURSDAY
NOT AS COLD. MOSTLY CLOUDY. ISOLATED SNOW SHOWERS.
LOWS 20 TO 25. HIGHS 32 TO 37. WEST WINDS 10 TO 20 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 15 TO 20.
HIGHS 33 TO 38. WEST WINDS 10 TO 20 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 8 TO 13.
HIGHS 26 TO 31.
SUNDAY
PARTLY SUNNY. HIGHS 27 TO 32.
WYZ274-012330-
SHERIDAN COUNTY-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......35-40.
* 24 HR TREND.........20 DEGREES WARMER.
* MIN HUMIDITY..........40-45 PERCENT.
* 24 HR TREND.........17 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............NORTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......15-20.
* 24 HR TREND.........19 DEGREES WARMER.
* MAX HUMIDITY..........90-95 PERCENT.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTHWEST 10 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN
THE MORNING, THEN SCATTERED RAIN SHOWERS AND SNOW SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......36-41.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........68-73 PERCENT.
* 24 HR TREND.........28 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............NORTHWEST 15 TO 20 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
CLOUDY, SNOW. LOWS 13 TO 18. NORTHWEST WINDS
10 TO 20 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 9 TO 14. HIGHS 28 TO 33. WEST
WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 17 TO 22.
HIGHS 38 TO 43. WEST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND RAIN SHOWERS.
LOWS 17 TO 22. HIGHS 38 TO 43. WEST WINDS 10 TO 20 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 12 TO 17.
HIGHS 32 TO 37.
SUNDAY
PARTLY SUNNY. HIGHS 37 TO 42.
WYZ284-012330-
BIGHORN NATIONAL FOREST-
345 AM MST MON DEC 1 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......24-29.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........40-45 PERCENT.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......WEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......12-17.
* 24 HR TREND.........11 DEGREES WARMER.
* MAX HUMIDITY..........84-89 PERCENT.
* 24 HR TREND.........16 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN
THE MORNING, THEN SNOW LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE.......26-31.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........66-71 PERCENT.
* 24 HR TREND.........26 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......WEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................40 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
CLOUDY, SNOW. LOWS 6 TO 11. NORTHWEST WINDS
10 TO 20 MPH.
WEDNESDAY
PARTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 7 TO 12.
HIGHS 18 TO 23. WEST WINDS 10 TO 20 MPH.
THURSDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 13 TO 18.
HIGHS 26 TO 31. SOUTHWEST WINDS 10 TO 20 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 14 TO 19.
HIGHS 27 TO 32. SOUTHWEST WINDS 10 TO 20 MPH.
SATURDAY
MOSTLY CLOUDY. SNOW LIKELY. LOWS 11 TO 16. HIGHS
25 TO 30.
SUNDAY
PARTLY SUNNY. HIGHS 27 TO 32.
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