589
FNUS55 KBYZ 230703
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA
NATIONAL WEATHER SERVICE BILLINGS MT
103 AM MDT THU APR 23 2026
DISCUSSION
MUCH COLDER AND CONTINUED WINDY (WEST 25 TO 45 MPH) TODAY WITH
PERIODS OF RAIN AND FOOTHILLS/MOUNTAIN SNOW IN THE FORECAST.
ANOTHER COLD PUSH ARRIVES LATE IN THE DAY FROM THE NORTH THAT WILL
WEAKEN WINDS A BIT, AND TURN LOWER ELEVATION RAIN TO LIGHT SNOW
TONIGHT INTO FRIDAY MORNING. ACCUMULATING SNOW SHOULD BE CONFINED
ABOVE ABOUT 4000 FEET COOL AND UNSETTLED CONDITIONS WILL CONTINUE
THROUGH THE WEEKEND. WETTING RAIN CHANCES WILL BE GREATEST THROUGH
THIS EVENING, WITH CHANCES FRIDAY MAINLY CONFINED TO THE SOUTHERN
MOUNTAINS AND FOOTHILLS. WEEKEND WETTING RAIN CHANCES LOOK LIGHT
ON SATURDAY, INCREASING SUNDAY OVER SOUTHEAST MONTANA.
TEMPERATURES BEGIN TO WARM UP ON TUESDAY. CHAMBERS
MTZ123-232215-
GALLATIN NATIONAL FOREST-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW SHOWERS IN THE MORNING,
THEN SNOW SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......39-49 AT 5000 FEET...28-38 AT 7000 FEET.
* 24 HR TREND.........13 DEGREES COOLER.
* MIN HUMIDITY..........46-56 PERCENT AT 5000 FEET...61-71 PERCENT
AT 7000 FEET.
* 24 HR TREND.........19 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...20 PERCENT.
* CWR...................90 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW SHOWERS IN THE EVENING,
THEN NUMEROUS SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......18-27 AT 5000 FEET...11-21 AT 7000 FEET.
* 24 HR TREND.........12 DEGREES COOLER.
* MAX HUMIDITY..........77-87 PERCENT AT 5000 FEET...73-83 PERCENT
AT 7000 FEET.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT OVERNIGHT.
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................70 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW SHOWERS IN THE MORNING,
THEN SCATTERED SNOW SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......34-44 AT 5000 FEET...22-32 AT 7000 FEET.
* 24 HR TREND.........6 DEGREES COOLER.
* MIN HUMIDITY..........37-47 PERCENT AT 5000 FEET...53-63 PERCENT
AT 7000 FEET.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH.
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...10 PERCENT.
* CWR...................60 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 13 TO
22. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 18 TO 26.
HIGHS 39 TO 49. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 21 TO 30.
HIGHS 38 TO 48. NORTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 24 TO 32.
HIGHS 44 TO 54. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 28 TO 37.
HIGHS 50 TO 59.
WEDNESDAY
PARTLY SUNNY. SCATTERED SNOW SHOWERS. HIGHS 52 TO
62.
MTZ124-232215-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS IN THE
MORNING, THEN SCATTERED SNOW SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......42-47.
* 24 HR TREND.........26 DEGREES COOLER.
* MIN HUMIDITY..........37-42 PERCENT.
* 24 HR TREND.........25 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WINDY. NORTHWEST WINDS 20 TO 35 MPH. GUSTS
UP TO 55 MPH IN THE MORNING DECREASING TO 45 MPH IN THE
AFTERNOON.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN
THE EVENING, THEN ISOLATED SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......23-28.
* 24 HR TREND.........10 DEGREES COOLER.
* MAX HUMIDITY..........61-66 PERCENT.
* 24 HR TREND.........11 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 35
MPH IN THE EVENING.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY WITH SCATTERED SNOW SHOWERS.
* MAX TEMPERATURE.......38-43.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........29-34 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 15 TO 25 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 19 TO
24. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 21 TO 26.
HIGHS 41 TO 46. NORTH WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 24 TO 29.
HIGHS 38 TO 43. EAST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 26 TO 31.
HIGHS 46 TO 51. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 31 TO 36. HIGHS
55 TO 60.
WEDNESDAY
PARTLY SUNNY. SCATTERED SHOWERS AND ISOLATED SNOW
SHOWERS. HIGHS 55 TO 60.
MTZ125-232215-
STILLWATER COUNTY-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS AND
RAIN SHOWERS IN THE MORNING, THEN SNOW SHOWERS AND ISOLATED
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......49-54.
* 24 HR TREND.........17 DEGREES COOLER.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........10 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 45 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................20 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW SHOWERS IN THE EVENING,
THEN SCATTERED SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......23-28.
* 24 HR TREND.........15 DEGREES COOLER.
* MAX HUMIDITY..........69-74 PERCENT.
* 24 HR TREND.........11 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................20 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY WITH NUMEROUS SNOW SHOWERS.
* MAX TEMPERATURE.......40-45.
* 24 HR TREND.........9 DEGREES COOLER.
* MIN HUMIDITY..........31-36 PERCENT.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................50 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 19 TO
24. WEST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 21 TO 26.
HIGHS 44 TO 49. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 25 TO 30.
HIGHS 39 TO 44. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SNOW SHOWERS. LOWS
27 TO 32. HIGHS 46 TO 51. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 33 TO 38. HIGHS
56 TO 61.
WEDNESDAY
PARTLY SUNNY. SCATTERED SHOWERS AND ISOLATED SNOW
SHOWERS. HIGHS 56 TO 61.
MTZ126-232215-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS IN THE
MORNING, THEN SNOW SHOWERS AND ISOLATED THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE.......42-50 AT 5000 FEET...34-44 AT 7000 FEET.
* 24 HR TREND.........15 DEGREES COOLER.
* MIN HUMIDITY..........40-50 PERCENT AT 5000 FEET...43-53 PERCENT
AT 7000 FEET.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WINDY. NORTHWEST WINDS 15 TO 30 MPH WITH
GUSTS TO AROUND 50 MPH.
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...17 PERCENT.
* CWR...................50 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW SHOWERS IN THE EVENING,
THEN NUMEROUS SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......23-29 AT 5000 FEET...14-24 AT 7000 FEET.
* 24 HR TREND.........14 DEGREES COOLER.
* MAX HUMIDITY..........73-78 PERCENT.
* 24 HR TREND.........12 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 35
MPH IN THE EVENING.
* RIDGETOP.............NORTH 5 TO 15 MPH.
* CHANCE OF LIGHTNING...8 PERCENT.
* CWR...................50 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY WITH SNOW SHOWERS.
* MAX TEMPERATURE.......34-42 AT 5000 FEET...25-35 AT 7000 FEET.
* 24 HR TREND.........10 DEGREES COOLER.
* MIN HUMIDITY..........39-49 PERCENT AT 5000 FEET...49-59 PERCENT
AT 7000 FEET.
* 24 HR TREND.........15 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* RIDGETOP.............LIGHT WINDS.
* CHANCE OF LIGHTNING...11 PERCENT.
* CWR...................70 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 19 TO
25. NORTHWEST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 22 TO 28.
HIGHS 38 TO 45. NORTH WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 26 TO 31.
HIGHS 37 TO 43. NORTH WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 29 TO 34.
HIGHS 41 TO 48. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 34 TO 39.
HIGHS 50 TO 58.
WEDNESDAY
PARTLY SUNNY. SCATTERED SNOW SHOWERS. HIGHS 51 TO
59.
MTZ127-232215-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY. NUMEROUS SNOW SHOWERS AND
RAIN SHOWERS IN THE MORNING, THEN ISOLATED SNOW SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......43-48.
* 24 HR TREND.........27 DEGREES COOLER.
* MIN HUMIDITY..........40-45 PERCENT.
* 24 HR TREND.........22 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WINDY. NORTHWEST WINDS 15 TO 30 MPH WITH
GUSTS TO AROUND 45 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE
EVENING.
* MIN TEMPERATURE.......27-32.
* 24 HR TREND.........9 DEGREES COOLER.
* MAX HUMIDITY..........54-59 PERCENT.
* 24 HR TREND.........19 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 35
MPH IN THE EVENING.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE
MORNING, THEN SCATTERED SNOW SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......38-43.
* 24 HR TREND.........5 DEGREES COOLER.
* MIN HUMIDITY..........32-37 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 24 TO 29. NORTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY
MOSTLY CLOUDY. LOWS 24 TO 29. HIGHS 41 TO 46. NORTH
WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 28 TO 33.
HIGHS 38 TO 43. NORTHEAST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 30 TO 35.
HIGHS 44 TO 49. EAST WINDS 5 TO 10 MPH.
TUESDAY
WARMER. PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 35 TO
40. HIGHS 55 TO 60.
WEDNESDAY
PARTLY SUNNY. SCATTERED SHOWERS AND ISOLATED SNOW
SHOWERS. HIGHS 53 TO 58.
MTZ128-232215-
YELLOWSTONE COUNTY-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY. NUMEROUS RAIN SHOWERS IN THE
MORNING, THEN SCATTERED RAIN SHOWERS AND SNOW SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......49-54.
* 24 HR TREND.........26 DEGREES COOLER.
* MIN HUMIDITY..........32-37 PERCENT.
* 24 HR TREND.........12 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WINDY. NORTHWEST WINDS 15 TO 30 MPH. GUSTS
UP TO 45 MPH IN THE MORNING DECREASING TO 35 MPH IN THE
AFTERNOON.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN
THE EVENING, THEN ISOLATED SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......28-33.
* 24 HR TREND.........11 DEGREES COOLER.
* MAX HUMIDITY..........57-62 PERCENT.
* 24 HR TREND.........7 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS.
* MAX TEMPERATURE.......44-49.
* 24 HR TREND.........5 DEGREES COOLER.
* MIN HUMIDITY..........26-31 PERCENT.
* 24 HR TREND.........6 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 24 TO 29. NORTHWEST WINDS
10 TO 20 MPH.
SATURDAY
MOSTLY CLOUDY. LOWS 25 TO 30. HIGHS 46 TO 51. NORTH
WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 29 TO 34.
HIGHS 42 TO 47. NORTHEAST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 30 TO 35.
HIGHS 49 TO 54. EAST WINDS 5 TO 10 MPH.
TUESDAY
WARMER. MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 36 TO
41. HIGHS 60 TO 65.
WEDNESDAY
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 58 TO 63.
MTZ129-232215-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN SHOWERS AND SNOW
SHOWERS IN THE MORNING, THEN SCATTERED SNOW SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......40-50 AT 5000 FEET...33-40 AT 7000 FEET.
* 24 HR TREND.........31 DEGREES COOLER.
* MIN HUMIDITY..........42-52 PERCENT AT 5000 FEET...54-64 PERCENT
AT 7000 FEET.
* 24 HR TREND.........39 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WINDY. NORTHWEST WINDS 15 TO 30 MPH. GUSTS
UP TO 45 MPH IN THE MORNING DECREASING TO 35 MPH IN THE
AFTERNOON.
* RIDGETOP.............NORTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................60 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS IN THE
EVENING, THEN SCATTERED SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......23-30 AT 5000 FEET...17-23 AT 7000 FEET.
* 24 HR TREND.........8 DEGREES COOLER.
* MAX HUMIDITY..........61-71 PERCENT AT 5000 FEET...69-79 PERCENT
AT 7000 FEET.
* 24 HR TREND.........18 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY WITH NUMEROUS SNOW SHOWERS.
* MAX TEMPERATURE.......34-44 AT 5000 FEET...27-33 AT 7000 FEET.
* 24 HR TREND.........5 DEGREES COOLER.
* MIN HUMIDITY..........37-47 PERCENT AT 5000 FEET...48-58 PERCENT
AT 7000 FEET.
* 24 HR TREND.........13 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH.
* RIDGETOP.............WEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...8 PERCENT.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 20 TO
26. NORTHWEST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 23 TO 28.
HIGHS 37 TO 47. NORTH WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 26 TO 31.
HIGHS 35 TO 45. NORTHEAST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 29 TO 34.
HIGHS 40 TO 50. NORTH WINDS 5 TO 10 MPH.
TUESDAY
WARMER. MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
SNOW SHOWERS. LOWS 34 TO 39. HIGHS 50 TO 60.
WEDNESDAY
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 49 TO 59.
MTZ130-232215-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........CLOUDY WITH RAIN SHOWERS AND ISOLATED SNOW
SHOWERS IN THE MORNING, THEN PARTLY SUNNY WITH ISOLATED RAIN
SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......46-51.
* 24 HR TREND.........34 DEGREES COOLER.
* MIN HUMIDITY..........42-47 PERCENT.
* 24 HR TREND.........26 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WINDY. NORTHWEST WINDS 15 TO 30 MPH WITH
GUSTS TO AROUND 40 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................30 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......26-31.
* 24 HR TREND.........9 DEGREES COOLER.
* MAX HUMIDITY..........65-70 PERCENT.
* 24 HR TREND.........25 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED SNOW SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......42-47.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 24 TO
29. NORTHWEST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 24 TO 29.
HIGHS 43 TO 48. NORTH WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 27 TO 32.
HIGHS 42 TO 47. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 28 TO 33.
HIGHS 47 TO 52. NORTH WINDS 5 TO 10 MPH.
TUESDAY
WARMER. PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 33 TO
38. HIGHS 59 TO 64.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS. HIGHS 57 TO 62.
MTZ131-232215-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........CLOUDY WITH RAIN SHOWERS IN THE MORNING,
THEN PARTLY SUNNY WITH SCATTERED RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......48-53.
* 24 HR TREND.........34 DEGREES COOLER.
* MIN HUMIDITY..........39-44 PERCENT.
* 24 HR TREND.........32 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WINDY. NORTHWEST WINDS 15 TO 30 MPH WITH
GUSTS TO AROUND 40 MPH.
* RIDGETOP.............NORTHWEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................40 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN
THE EVENING, THEN ISOLATED SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......26-31.
* 24 HR TREND.........9 DEGREES COOLER.
* MAX HUMIDITY..........64-69 PERCENT.
* 24 HR TREND.........22 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS.
* MAX TEMPERATURE.......43-48.
* 24 HR TREND.........5 DEGREES COOLER.
* MIN HUMIDITY..........30-35 PERCENT.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 22 TO
27. NORTHWEST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 24 TO 29.
HIGHS 44 TO 49. NORTH WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 26 TO 31.
HIGHS 41 TO 46. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 26 TO 31.
HIGHS 46 TO 51. NORTH WINDS 5 TO 10 MPH.
TUESDAY
WARMER. PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 31 TO
36. HIGHS 57 TO 62.
WEDNESDAY
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 57 TO 62.
MTZ132-232215-
CUSTER COUNTY-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS AND SNOW SHOWERS IN
THE MORNING, THEN ISOLATED RAIN SHOWERS AND SNOW SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......43-48.
* 24 HR TREND.........40 DEGREES COOLER.
* MIN HUMIDITY..........50-55 PERCENT.
* 24 HR TREND.........44 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 40 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................80 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......26-31.
* 24 HR TREND.........7 DEGREES COOLER.
* MAX HUMIDITY..........66-71 PERCENT.
* 24 HR TREND.........24 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......40-45.
* 24 HR TREND.........3 DEGREES COOLER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........17 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 22 TO 27. WEST WINDS 10 TO
20 MPH.
SATURDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 23 TO 28.
HIGHS 39 TO 44. NORTHWEST WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 26 TO 31.
HIGHS 39 TO 44. NORTHEAST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 25 TO 30.
HIGHS 42 TO 47. NORTH WINDS 5 TO 10 MPH.
TUESDAY
WARMER. PARTLY CLOUDY. LOWS 29 TO 34. HIGHS 53 TO 58.
WEDNESDAY
MOSTLY SUNNY. HIGHS 52 TO 57.
MTZ133-232215-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND
ISOLATED SNOW SHOWERS IN THE MORNING, THEN SCATTERED RAIN SHOWERS
IN THE AFTERNOON.
* MAX TEMPERATURE.......46-51.
* 24 HR TREND.........36 DEGREES COOLER.
* MIN HUMIDITY..........49-54 PERCENT.
* 24 HR TREND.........41 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WINDY. WEST WINDS 20 TO 35 MPH WITH GUSTS TO
AROUND 50 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................40 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......27-32.
* 24 HR TREND.........8 DEGREES COOLER.
* MAX HUMIDITY..........63-68 PERCENT.
* 24 HR TREND.........19 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH
IN THE EVENING.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED SNOW SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......43-48.
* 24 HR TREND.........3 DEGREES COOLER.
* MIN HUMIDITY..........32-37 PERCENT.
* 24 HR TREND.........17 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 23 TO
28. NORTHWEST WINDS 10 TO 20 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 24 TO 29.
HIGHS 42 TO 47. NORTHWEST WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS AND SHOWERS. LOWS
26 TO 31. HIGHS 39 TO 44. NORTHEAST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 24 TO 29.
HIGHS 43 TO 48. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
WARMER. PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 29 TO
34. HIGHS 54 TO 59.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS. HIGHS 53 TO 58.
WYZ274-232215-
SHERIDAN COUNTY-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN SHOWERS IN THE MORNING,
THEN NUMEROUS RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......48-53.
* 24 HR TREND.........28 DEGREES COOLER.
* MIN HUMIDITY..........41-46 PERCENT.
* 24 HR TREND.........35 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WINDY. NORTHWEST WINDS 15 TO 30 MPH WITH
GUSTS TO AROUND 45 MPH.
* RIDGETOP.............NORTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...12 PERCENT.
* CWR...................30 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW SHOWERS AND RAIN
SHOWERS IN THE EVENING, THEN SCATTERED SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......22-27.
* 24 HR TREND.........13 DEGREES COOLER.
* MAX HUMIDITY..........78-83 PERCENT.
* 24 HR TREND.........7 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................40 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY WITH NUMEROUS SNOW SHOWERS.
* MAX TEMPERATURE.......39-44.
* 24 HR TREND.........9 DEGREES COOLER.
* MIN HUMIDITY..........43-48 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...10 PERCENT.
* CWR...................40 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 18 TO
23. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 21 TO 26.
HIGHS 44 TO 49. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS AND SHOWERS. LOWS
24 TO 29. HIGHS 40 TO 45. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND SNOW SHOWERS. LOWS
24 TO 29. HIGHS 45 TO 50. NORTH WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 29 TO 34. HIGHS
55 TO 60.
WEDNESDAY
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 55 TO 60.
WYZ284-232215-
BIGHORN NATIONAL FOREST-
103 AM MDT THU APR 23 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY WITH SNOW SHOWERS.
* MAX TEMPERATURE.......32-37.
* 24 HR TREND.........22 DEGREES COOLER.
* MIN HUMIDITY..........56-61 PERCENT.
* 24 HR TREND.........42 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......WINDY. NORTHWEST WINDS 15 TO 30 MPH WITH
GUSTS TO AROUND 45 MPH.
* CHANCE OF LIGHTNING...13 PERCENT.
* CWR...................60 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW SHOWERS IN THE EVENING,
THEN NUMEROUS SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......11-16.
* 24 HR TREND.........14 DEGREES COOLER.
* MAX HUMIDITY..........84-89 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......WEST WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................60 PERCENT.
FRIDAY
* SKY/WEATHER...........CLOUDY WITH SNOW SHOWERS.
* MAX TEMPERATURE.......24-29.
* 24 HR TREND.........8 DEGREES COOLER.
* MIN HUMIDITY..........58-63 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30
MPH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...12 PERCENT.
* CWR...................70 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 7 TO
12. WEST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 14 TO 19.
HIGHS 30 TO 35. WEST WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. SNOW SHOWERS. LOWS 16 TO 21. HIGHS 28 TO
33. NORTH WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 18 TO 23.
HIGHS 31 TO 36. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 23 TO 28.
HIGHS 39 TO 44.
WEDNESDAY
PARTLY SUNNY. NUMEROUS SNOW SHOWERS. HIGHS 40 TO 45.
WEATHER.GOV/BILLINGS
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page