813
FNUS55 KBYZ 220852
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA
NATIONAL WEATHER SERVICE BILLINGS MT
252 AM MDT THU OCT 22 2026
...ELEVATED FIRE WEATHER CONDITIONS FWZ 274 AND 131/133 ON
FRIDAY...
DISCUSSION
EXPECT MAINLY DRY AND SEASONABLY WARM CONDITIONS TODAY WITH HIGHS
IN THE 60S/70S AS HIGH PRESSURE PREVAILS OVER THE DISTRICT.
MINIMUM HUMIDITY VALUES IN THE 20S TO 30S PERCENT CAN BE EXPECTED.
AHEAD OF A COLD FRONT LATE FRIDAY, SOUTHERLY WINDS WILL INCREASE
OVER ZONES 274 AND 131/133 WITH MINRH NEAR 20%, WIND GUSTS 20 TO
40 MPH, AND TEMPERATURES IN THE 75 TO 85 DEGREE RANGE (20-30 DEG
ABOVE AVG). THE STRONG COLD FRONT PUSHES THROUGH WESTERN AND
CENTRAL AREAS FRIDAY AFTERNOON, PUSHING THROUGH EASTERN AREAS IN
THE EVENING. WINDS SHIFT TO THE NORTH-NORTHWEST BEHIND THE FRONT
WITH WIDESPREAD GUSTS IN THE 30 TO 45 MPH RANGE THROUGH FRIDAY
NIGHT INTO SATURDAY MORNING.
RAIN AND MOUNTAIN SNOW WILL ACCOMPANY THE FRONT, SPREADING FROM
WEST TO EAST INTO FRIDAY NIGHT/EARLY SATURDAY MORNING. WETTING
RAIN CHANCES REMAIN MODERATE TO HIGH FROM BILLINGS WEST, BUT
DIMINISH QUICKLY TO NEAR ZERO FROM ROSEBUD COUNTY EAST.
ACCUMULATING SNOW IS EXPECTED ABOVE 6000 FEET FRIDAY NIGHT, WITH
LITTLE TO NO ACCUMULATION BELOW THAT ELEVATION. MUCH COOLER
CONDITIONS CAN BE EXPECTED FOR SATURDAY (HIGHS IN THE 40S TO LOWER
50S) WITH DECREASING WINDS. SEASONAL TEMPERATURES AND DAILY LOW
CHANCES (20-40%) FOR PRECIPITATION ARE IN THE FORECAST FROM SUNDAY
THROUGH AT LEAST THE MIDDLE OF NEXT WEEK. CHAMBERS/PALMQUIST
MTZ123-222215-
GALLATIN NATIONAL FOREST-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........PARTLY CLOUDY. SCATTERED RAIN SHOWERS IN
THE MORNING.
* MAX TEMPERATURE.......65-73 AT 5000 FEET...54-64 AT 7000 FEET.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........31-41 PERCENT AT 5000 FEET...35-45 PERCENT
AT 7000 FEET.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTH 5 TO 15 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......40-50 AT 5000 FEET...35-45 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE WARMER.
* MAX HUMIDITY..........83-88 PERCENT.
* 24 HR TREND.........18 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTHEAST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FRIDAY
* SKY/WEATHER...........CLOUDY. NUMEROUS RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS AND SNOW SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......50-60 AT 5000 FEET...43-53 AT 7000 FEET.
* 24 HR TREND.........17 DEGREES COOLER.
* MIN HUMIDITY..........58-68 PERCENT AT 5000 FEET...60-70 PERCENT
AT 7000 FEET.
* 24 HR TREND.........27 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...11 PERCENT.
* CWR...................100 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MUCH COLDER. CLOUDY. SNOW SHOWERS. LOWS 20 TO 30.
NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 20 TO 30. HIGHS 40 TO 50. LIGHT
WINDS.
SUNDAY
MOSTLY CLEAR. LOWS 20 TO 30. HIGHS 43 TO 53. LIGHT
WINDS.
MONDAY
PARTLY CLOUDY. LOWS 22 TO 32. HIGHS 46 TO 56. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 23 TO 33.
HIGHS 47 TO 56.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SNOW SHOWERS. HIGHS 44 TO 53.
MTZ124-222215-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
MORNING.
* MAX TEMPERATURE.......69-74.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........31-36 PERCENT.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE SOUTH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......42-47.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........80-85 PERCENT.
* 24 HR TREND.........18 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE NORTHWEST 5 TO 10 MPH OVERNIGHT.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN
THE MORNING, THEN RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE.......55-60.
* 24 HR TREND.........14 DEGREES COOLER.
* MIN HUMIDITY..........55-60 PERCENT.
* 24 HR TREND.........24 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH IN THE MORNING
INCREASING TO NORTHWEST 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................80 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MUCH COLDER. MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS
AND SHOWERS. LOWS 21 TO 26. NORTHWEST WINDS 15 TO 25 MPH WITH
GUSTS TO AROUND 40 MPH.
SATURDAY
COLDER. MOSTLY CLEAR. LOWS 22 TO 27. HIGHS 42 TO 47.
WEST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 23 TO 28. HIGHS 42 TO 47. SOUTHEAST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 23 TO 28. HIGHS 43 TO 48. SOUTH
WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
26 TO 31. HIGHS 49 TO 54.
WEDNESDAY
MOSTLY SUNNY. HIGHS 45 TO 50.
MTZ125-222215-
STILLWATER COUNTY-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......70-75.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........31-36 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE EAST IN THE AFTERNOON.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......44-49.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........67-72 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN
THE MORNING, THEN NUMEROUS RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......62-67.
* 24 HR TREND.........8 DEGREES COOLER.
* MIN HUMIDITY..........41-46 PERCENT.
* 24 HR TREND.........10 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................50 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
COLDER, CLOUDY. SHOWERS AND SCATTERED SNOW
SHOWERS. LOWS 29 TO 34. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO AROUND 35 MPH.
SATURDAY
COOLER. MOSTLY CLEAR. LOWS 26 TO 31. HIGHS 46 TO 51.
SOUTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. ISOLATED SNOW SHOWERS. LOWS 26 TO 31.
HIGHS 47 TO 52. NORTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 27 TO 32. HIGHS 47 TO 52. EAST
WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
31 TO 36. HIGHS 53 TO 58.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND SNOW SHOWERS.
HIGHS 50 TO 55.
MTZ126-222215-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......63-72 AT 5000 FEET...58-68 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTH 5 TO 15 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......47-57 AT 5000 FEET...42-52 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE WARMER.
* MAX HUMIDITY..........59-69 PERCENT AT 5000 FEET...63-73 PERCENT
AT 7000 FEET.
* 24 HR TREND.........4 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTH 5 TO 15 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS IN THE
MORNING, THEN NUMEROUS RAIN SHOWERS AND SNOW SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......61-69 AT 5000 FEET...52-62 AT 7000 FEET.
* 24 HR TREND.........7 DEGREES COOLER.
* MIN HUMIDITY..........35-45 PERCENT AT 5000 FEET...45-55 PERCENT
AT 7000 FEET.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 10 TO 20 MPH.
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................40 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
COLDER, CLOUDY. SNOW SHOWERS. LOWS 30 TO 35.
NORTHWEST WINDS 5 TO 15 MPH.
SATURDAY
COLDER. MOSTLY CLEAR. LOWS 28 TO 35. HIGHS 41 TO 49.
SOUTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 29 TO 34. HIGHS 43 TO 50. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 29 TO 37. HIGHS 43 TO 51. WEST
WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 32 TO 38.
HIGHS 48 TO 56.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SNOW SHOWERS. HIGHS 45 TO 53.
MTZ127-222215-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......68-73.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......50-55.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........64-69 PERCENT.
* 24 HR TREND.........4 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
MORNING, THEN NUMEROUS RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......62-67.
* 24 HR TREND.........6 DEGREES COOLER.
* MIN HUMIDITY..........46-51 PERCENT.
* 24 HR TREND.........13 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH IN THE MORNING
INCREASING TO WEST 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH IN
THE AFTERNOON.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................30 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MUCH COLDER. MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS
AND SHOWERS. LOWS 32 TO 37. NORTHWEST WINDS 15 TO 25 MPH WITH
GUSTS TO AROUND 35 MPH.
SATURDAY
MUCH COLDER. MOSTLY CLEAR. LOWS 28 TO 33. HIGHS 42 TO
47. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 28 TO 33.
HIGHS 42 TO 47. NORTHEAST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 29 TO 34. HIGHS 42 TO 47. NORTHEAST
WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
31 TO 36. HIGHS 47 TO 52.
WEDNESDAY
MOSTLY SUNNY. HIGHS 44 TO 49.
MTZ128-222215-
YELLOWSTONE COUNTY-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......72-77.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........1 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......46-51.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........80-85 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
MORNING, THEN NUMEROUS RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......66-71.
* 24 HR TREND.........6 DEGREES COOLER.
* MIN HUMIDITY..........39-44 PERCENT.
* 24 HR TREND.........5 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 10 MPH IN THE MORNING
INCREASING TO 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH IN THE
AFTERNOON.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................40 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. SHOWERS AND SCATTERED SNOW
SHOWERS. LOWS 32 TO 37. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS
TO AROUND 35 MPH.
SATURDAY
COOLER. MOSTLY CLEAR. LOWS 28 TO 33. HIGHS 47 TO 52.
EAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. ISOLATED SNOW SHOWERS. LOWS 28 TO 33.
HIGHS 48 TO 53. NORTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 28 TO 33. HIGHS 46 TO 51. NORTHEAST
WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
32 TO 37. HIGHS 53 TO 58.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND SNOW SHOWERS.
HIGHS 50 TO 55.
MTZ129-222215-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......64-74 AT 5000 FEET...57-66 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........30-40 PERCENT AT 5000 FEET...35-42 PERCENT
AT 7000 FEET.
* 24 HR TREND.........5 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH.
* RIDGETOP.............NORTHEAST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......52-57.
* 24 HR TREND.........4 DEGREES WARMER.
* MAX HUMIDITY..........61-71 PERCENT AT 5000 FEET...58-68 PERCENT
AT 7000 FEET.
* 24 HR TREND.........5 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTHEAST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......60-70 AT 5000 FEET...55-61 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES COOLER.
* MIN HUMIDITY..........27-37 PERCENT AT 5000 FEET...36-46 PERCENT
AT 7000 FEET.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING
INCREASING TO WEST 15 TO 25 MPH WITH GUSTS TO AROUND 30 MPH IN
THE AFTERNOON.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MUCH COLDER. MOSTLY CLOUDY. SHOWERS AND SCATTERED
SNOW SHOWERS. LOWS 29 TO 36. NORTHWEST WINDS 15 TO 25 MPH WITH
GUSTS TO AROUND 35 MPH.
SATURDAY
MUCH COLDER. MOSTLY CLEAR. LOWS 29 TO 35. HIGHS 41 TO
51. SOUTHEAST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 28 TO 35. HIGHS
42 TO 52. EAST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 29 TO 37. HIGHS 42 TO 52. EAST
WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
33 TO 38. HIGHS 47 TO 57.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND SNOW SHOWERS.
HIGHS 44 TO 54.
MTZ130-222215-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......72-77.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......44-49.
* 24 HR TREND.........4 DEGREES WARMER.
* MAX HUMIDITY..........87-92 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY IN THE MORNING, THEN MOSTLY
SUNNY WITH ISOLATED RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......70-75.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH IN THE MORNING
INCREASING TO WEST 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH IN
THE AFTERNOON.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. NUMEROUS SHOWERS. LOWS
33 TO 38. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
40 MPH.
SATURDAY
MUCH COOLER. MOSTLY CLEAR. LOWS 28 TO 33. HIGHS 45 TO
50. NORTH WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 29 TO 34. HIGHS 48 TO 53. EAST
WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS 28 TO 33. HIGHS 46 TO 51. EAST
WINDS 5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
30 TO 35. HIGHS 51 TO 56.
WEDNESDAY
MOSTLY SUNNY. HIGHS 48 TO 53.
MTZ131-222215-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......75-80.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........27-32 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE EAST IN THE AFTERNOON.
* RIDGETOP.............EAST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......48-53.
* 24 HR TREND.........6 DEGREES WARMER.
* MAX HUMIDITY..........64-69 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTH 10 TO 20 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY IN THE MORNING THEN CLEARING.
* MAX TEMPERATURE.......76-81.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........18-23 PERCENT.
* 24 HR TREND.........11 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 10 TO 20 MPH.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS
31 TO 36. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
30 MPH.
SATURDAY
MUCH COOLER. MOSTLY CLEAR. LOWS 27 TO 32. HIGHS 45 TO
50. NORTHEAST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED SNOW
SHOWERS. LOWS 27 TO 32. HIGHS 49 TO 54. SOUTHEAST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 26 TO 31.
HIGHS 48 TO 53. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
29 TO 34. HIGHS 55 TO 60.
WEDNESDAY
MOSTLY SUNNY. HIGHS 52 TO 57.
MTZ132-222215-
CUSTER COUNTY-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......73-78.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........31-36 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 CLOUDY.
* MIN TEMPERATURE.......51-56.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........67-72 PERCENT.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......77-82.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........27-32 PERCENT.
* 24 HR TREND.........4 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. SCATTERED SHOWERS AND
ISOLATED SNOW SHOWERS. LOWS 34 TO 39. WEST WINDS 15 TO 25 MPH
WITH GUSTS TO AROUND 35 MPH.
SATURDAY
MUCH COLDER. MOSTLY CLEAR. LOWS 27 TO 32. HIGHS 42 TO
47. NORTHWEST WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND SNOW SHOWERS. LOWS
29 TO 34. HIGHS 45 TO 50. EAST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
28 TO 33. HIGHS 42 TO 47. SOUTHEAST WINDS 5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
31 TO 36. HIGHS 48 TO 53.
WEDNESDAY
MOSTLY SUNNY. HIGHS 46 TO 51.
MTZ133-222215-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......76-81.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........UNCHANGED.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......49-54.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........74-79 PERCENT.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.
* MAX TEMPERATURE.......79-84.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........18-23 PERCENT.
* 24 HR TREND.........15 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WINDY IN THE AFTERNOON. SOUTHEAST WINDS 5 TO
15 MPH IN THE MORNING INCREASING TO SOUTHWEST 15 TO 30 MPH WITH
GUSTS TO AROUND 40 MPH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
COLDER, WINDY. PARTLY CLOUDY. LOWS 33 TO 38. WEST
WINDS 15 TO 30 MPH WITH GUSTS TO AROUND 45 MPH.
SATURDAY
MUCH COOLER. MOSTLY CLEAR. LOWS 26 TO 31. HIGHS 45 TO
50. NORTH WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND SNOW SHOWERS. LOWS
26 TO 31. HIGHS 44 TO 49. EAST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
MONDAY
MOSTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
26 TO 31. HIGHS 42 TO 47. SOUTHEAST WINDS 5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
29 TO 34. HIGHS 48 TO 53.
WEDNESDAY
MOSTLY SUNNY. HIGHS 50 TO 55.
WYZ274-222215-
SHERIDAN COUNTY-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......73-78.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........25-30 PERCENT.
* 24 HR TREND.........UNCHANGED.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING
NORTHEAST 5 TO 10 MPH IN THE AFTERNOON.
* RIDGETOP.............NORTHEAST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......43-48.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........76-81 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH.
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......72-77.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........18-23 PERCENT.
* 24 HR TREND.........7 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH IN THE MORNING
INCREASING TO SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. SCATTERED SHOWERS AND SNOW
SHOWERS. LOWS 27 TO 32. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS
TO AROUND 35 MPH.
SATURDAY
MUCH COOLER. MOSTLY CLEAR. LOWS 23 TO 28. HIGHS 46 TO
51. EAST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED SNOW
SHOWERS. LOWS 25 TO 30. HIGHS 49 TO 54. EAST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 24 TO 29. HIGHS 50 TO 55. LIGHT
WINDS.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
27 TO 32. HIGHS 55 TO 60.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS. HIGHS 53 TO 58.
WYZ284-222215-
BIGHORN NATIONAL FOREST-
252 AM MDT THU OCT 22 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......58-63.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......38-43.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........81-86 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTH WINDS 10 TO 20 MPH. GUSTS UP TO 40 MPH
OVERNIGHT.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY WITH SCATTERED RAIN SHOWERS.
* MAX TEMPERATURE.......53-58.
* 24 HR TREND.........5 DEGREES COOLER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........UNCHANGED.
* WIND (20 FT)
* AT BURGESS JCT.......WINDY. SOUTHWEST WINDS 15 TO 30 MPH WITH
GUSTS TO AROUND 50 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................30 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MUCH COLDER. MOSTLY CLOUDY. SNOW SHOWERS AND
SHOWERS. LOWS 20 TO 25. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO AROUND 30 MPH.
SATURDAY
COLDER. MOSTLY CLEAR. LOWS 21 TO 26. HIGHS 35 TO 40.
SOUTH WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 21 TO 26.
HIGHS 39 TO 44. SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 22 TO 27. HIGHS 40 TO 45. SOUTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 25 TO 30.
HIGHS 45 TO 50.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SNOW SHOWERS. HIGHS 42 TO 47.
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