870
FNUS55 KBYZ 040647
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA
NATIONAL WEATHER SERVICE BILLINGS MT
1247 AM MDT TUE AUG 4 2026
DISCUSSION
COOL WITH MUCH LIGHTER WINDS TODAY. DESPITE COOL NORTHEASTERLY
WINDS TODAY, AFTERNOON RH VALUES WILL DROP INTO THE 15-25% RANGE
FOR MOST LOCATIONS. MOSTLY CLEAR AND COOL TONIGHT, WITH A BIT
WEAKER RH RECOVERIES. WARMING TREND STARTS WEDNESDAY, WITH
TEMPERATURES CLIMBING BACK TO AROUND 100 DEGREES BY FRIDAY.
AFTERNOON RH VALUES WILL DROP TOWARD 10% EACH DAY WED-SAT. FRIDAY
AND SATURDAY ARE STARTING TO STICK OUT AS A PERIOD OF CONCERN WITH
A FRONT DROPPING IN TO THE AREA SOMETIME IN THIS HOT AND DRY
PERIOD, STIRRING UP THE WINDS. WILL HAVE TO KEEP A CLOSE EYE ON
THIS THROUGH THE WEEK AHEAD. THERE ARE NO SIGNIFICANT
PRECIPITATION CHANCES IN THE FORECAST THROUGH SUNDAY. CHAMBERS
MTZ123-042215-
GALLATIN NATIONAL FOREST-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........SUNNY. AREAS OF SMOKE IN THE MORNING, THEN
PATCHY SMOKE IN THE AFTERNOON.
* MAX TEMPERATURE.......70-80 AT 5000 FEET...59-69 AT 7000 FEET.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........19-24 PERCENT.
* 24 HR TREND.........11 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTH WINDS 5 TO 10 MPH.
* RIDGETOP.............LIGHT WINDS.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR. PATCHY SMOKE.
* MIN TEMPERATURE.......43-53 AT 5000 FEET...39-49 AT 7000 FEET.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........58-68 PERCENT AT 5000 FEET...56-66 PERCENT
AT 7000 FEET.
* 24 HR TREND.........12 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH.
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
WEDNESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......78-88 AT 5000 FEET...66-76 AT 7000 FEET.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........11-16 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO 57. SOUTHWEST WINDS
5 TO 10 MPH.
THURSDAY
CLEAR. LOWS 52 TO 62. HIGHS 86 TO 96. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 54 TO 64. HIGHS 90 TO 100. SOUTHWEST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 53 TO 63. HIGHS 87 TO 97.
SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 52 TO 62. HIGHS 86 TO 96.
MONDAY
SUNNY. HIGHS 84 TO 94.
MTZ124-042215-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......72-77.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........19-24 PERCENT.
* 24 HR TREND.........4 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE EAST IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......43-48.
* 24 HR TREND.........6 DEGREES WARMER.
* MAX HUMIDITY..........63-68 PERCENT.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE WEST OVERNIGHT.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................ZERO.
WEDNESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......82-87.
* 24 HR TREND.........10 DEGREES WARMER.
* MIN HUMIDITY..........11-16 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 53. NORTHWEST WINDS
5 TO 15 MPH.
THURSDAY
CLEAR. LOWS 52 TO 57. HIGHS 88 TO 93. WEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS 94 TO 99. WEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS 91 TO 96.
NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS 88 TO 93.
MONDAY
SUNNY. HIGHS 85 TO 90.
MTZ125-042215-
STILLWATER COUNTY-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........SUNNY. PATCHY SMOKE THROUGH THE DAY.
* MAX TEMPERATURE.......73-78.
* 24 HR TREND.........7 DEGREES WARMER.
* MIN HUMIDITY..........21-26 PERCENT.
* 24 HR TREND.........5 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR. PATCHY SMOKE.
* MIN TEMPERATURE.......48-53.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........53-58 PERCENT.
* 24 HR TREND.........7 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE SOUTHWEST OVERNIGHT.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................ZERO.
WEDNESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......85-90.
* 24 HR TREND.........12 DEGREES WARMER.
* MIN HUMIDITY..........9-14 PERCENT.
* 24 HR TREND.........12 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 58. WEST WINDS 5 TO
10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 92 TO 97. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS 97 TO 102. NORTHWEST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS 96 TO 101. WEST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 59 TO 64. HIGHS 92 TO 97.
MONDAY
SUNNY. HIGHS 89 TO 94.
MTZ126-042215-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........SUNNY. PATCHY SMOKE THROUGH THE DAY.
ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......68-76 AT 5000 FEET...58-68 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........21-31 PERCENT AT 5000 FEET...26-36 PERCENT
AT 7000 FEET.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTH 5 TO 10 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR. ISOLATED RAIN SHOWERS IN THE
EVENING. PATCHY SMOKE THROUGH THE NIGHT.
* MIN TEMPERATURE.......48-54 AT 5000 FEET...40-50 AT 7000 FEET.
* 24 HR TREND.........8 DEGREES WARMER.
* MAX HUMIDITY..........46-56 PERCENT AT 5000 FEET...50-60 PERCENT
AT 7000 FEET.
* 24 HR TREND.........16 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE WEST OVERNIGHT.
* RIDGETOP.............WEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
WEDNESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......76-86 AT 5000 FEET...68-78 AT 7000 FEET.
* 24 HR TREND.........9 DEGREES WARMER.
* MIN HUMIDITY..........12-19 PERCENT AT 5000 FEET...13-21 PERCENT
AT 7000 FEET.
* 24 HR TREND.........14 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 60. WEST WINDS 5 TO
10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 57 TO 65. HIGHS 84 TO 93. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 60 TO 68. HIGHS 89 TO 99. WEST WINDS
5 TO 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 60 TO 68. HIGHS 86 TO 96.
NORTHWEST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 60 TO 66. HIGHS 85 TO 94.
MONDAY
MOSTLY SUNNY. HIGHS 83 TO 92.
MTZ127-042215-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......68-73.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........21-26 PERCENT.
* 24 HR TREND.........5 PERCENT DRIER.
* 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...........PARTLY CLOUDY.
* MIN TEMPERATURE.......51-56.
* 24 HR TREND.........8 DEGREES WARMER.
* MAX HUMIDITY..........35-40 PERCENT.
* 24 HR TREND.........15 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
WEDNESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......78-83.
* 24 HR TREND.........10 DEGREES WARMER.
* MIN HUMIDITY..........12-17 PERCENT.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 60. NORTH WINDS 5 TO
10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 59 TO 64. HIGHS 86 TO 91.
NORTHWEST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 62 TO 67. HIGHS 90 TO 95. NORTHWEST
WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 63 TO 68. HIGHS 87 TO 92. NORTH
WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 62 TO 67. HIGHS 84 TO 89.
MONDAY
MOSTLY SUNNY. HIGHS 82 TO 87.
MTZ128-042215-
YELLOWSTONE COUNTY-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......75-80.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........20-25 PERCENT.
* 24 HR TREND.........7 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST 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.......51-56.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........44-49 PERCENT.
* 24 HR TREND.........14 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
WEDNESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......85-90.
* 24 HR TREND.........10 DEGREES WARMER.
* MIN HUMIDITY..........10-15 PERCENT.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 60. NORTH WINDS 5 TO
10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 59 TO 64. HIGHS 92 TO 97.
NORTHWEST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 63 TO 68. HIGHS 96 TO 101. NORTHWEST
WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 63 TO 68. HIGHS 95 TO 100. NORTH
WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 63 TO 68. HIGHS 92 TO 97.
MONDAY
MOSTLY SUNNY. HIGHS 90 TO 95.
MTZ129-042215-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........SUNNY. PATCHY SMOKE IN THE MORNING.
* MAX TEMPERATURE.......66-76 AT 5000 FEET...59-67 AT 7000 FEET.
* 24 HR TREND.........7 DEGREES WARMER.
* MIN HUMIDITY..........21-31 PERCENT AT 5000 FEET...27-37 PERCENT
AT 7000 FEET.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR. PATCHY SMOKE IN THE EVENING.
* MIN TEMPERATURE.......50-55 AT 5000 FEET...46-51 AT 7000 FEET.
* 24 HR TREND.........8 DEGREES WARMER.
* MAX HUMIDITY..........45-55 PERCENT AT 5000 FEET...42-49 PERCENT
AT 7000 FEET.
* 24 HR TREND.........14 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................ZERO.
WEDNESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......76-86 AT 5000 FEET...67-76 AT 7000 FEET.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........13-19 PERCENT AT 5000 FEET...17-22 PERCENT
AT 7000 FEET.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTHWEST 5 TO 15 MPH IN THE AFTERNOON.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 60. SOUTHEAST WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 59 TO 65. HIGHS 84 TO 94. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 62 TO 68. HIGHS 88 TO 98. SOUTHWEST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 62 TO 68. HIGHS 86 TO 96. NORTH
WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 61 TO 67. HIGHS 84 TO 94.
MONDAY
MOSTLY SUNNY. HIGHS 82 TO 92.
MTZ130-042215-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......75-80.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........16-21 PERCENT.
* 24 HR TREND.........18 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......49-54.
* 24 HR TREND.........7 DEGREES WARMER.
* MAX HUMIDITY..........47-52 PERCENT.
* 24 HR TREND.........21 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE SOUTHEAST OVERNIGHT.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
WEDNESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......85-90.
* 24 HR TREND.........10 DEGREES WARMER.
* MIN HUMIDITY..........12-17 PERCENT.
* 24 HR TREND.........4 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............LIGHT WINDS IN THE MORNING BECOMING WEST 5
TO 10 MPH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 58. SOUTHWEST WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS 93 TO 98.
NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 61 TO 66. HIGHS 97 TO 102. EAST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 62 TO 67. HIGHS 94 TO 99. NORTH
WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 62 TO 67. HIGHS 93 TO 98.
MONDAY
MOSTLY SUNNY. HIGHS 90 TO 95.
MTZ131-042215-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........SUNNY. PATCHY SMOKE IN THE MORNING.
* MAX TEMPERATURE.......74-79.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........18-23 PERCENT.
* 24 HR TREND.........11 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR. ISOLATED RAIN SHOWERS IN THE
EVENING. PATCHY SMOKE IN THE EVENING.
* MIN TEMPERATURE.......48-53.
* 24 HR TREND.........6 DEGREES WARMER.
* MAX HUMIDITY..........54-59 PERCENT.
* 24 HR TREND.........24 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE SOUTH OVERNIGHT.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...10 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
WEDNESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......84-89.
* 24 HR TREND.........10 DEGREES WARMER.
* MIN HUMIDITY..........10-15 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE WEST IN THE AFTERNOON.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 57. EAST WINDS 5 TO
10 MPH.
THURSDAY
CLEAR. LOWS 57 TO 62. HIGHS 92 TO 97. WEST WINDS 5 TO
10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS 96 TO 101. SOUTH
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 61 TO 66. HIGHS 93 TO 98. NORTH
WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 61 TO 66. HIGHS 93 TO 98.
MONDAY
MOSTLY SUNNY. HIGHS 91 TO 96.
MTZ132-042215-
CUSTER COUNTY-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......70-75.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........20-25 PERCENT.
* 24 HR TREND.........16 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......47-52.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........46-51 PERCENT.
* 24 HR TREND.........29 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE SOUTHEAST OVERNIGHT.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY.
* MAX TEMPERATURE.......80-85.
* 24 HR TREND.........10 DEGREES WARMER.
* MIN HUMIDITY..........13-18 PERCENT.
* 24 HR TREND.........7 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 58. SOUTHEAST WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 88 TO 93.
NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS 91 TO 96. EAST WINDS
5 TO 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 61 TO 66. HIGHS 91 TO 96. NORTH
WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 61 TO 66. HIGHS
90 TO 95.
MONDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS
86 TO 91.
MTZ133-042215-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........SUNNY. PATCHY SMOKE IN THE MORNING.
* MAX TEMPERATURE.......72-77.
* 24 HR TREND.........6 DEGREES COOLER.
* MIN HUMIDITY..........21-26 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......48-53.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........49-54 PERCENT.
* 24 HR TREND.........28 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT OVERNIGHT.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................ZERO.
WEDNESDAY
* SKY/WEATHER...........SUNNY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY.
* MAX TEMPERATURE.......80-85.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........17-22 PERCENT.
* 24 HR TREND.........4 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 58. SOUTH WINDS 5 TO
10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 88 TO 93.
NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 59 TO 64. HIGHS 91 TO 96. EAST WINDS
5 TO 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS 93 TO 98. NORTH
WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 60 TO 65. HIGHS
91 TO 96.
MONDAY
MOSTLY SUNNY. HIGHS 88 TO 93.
WYZ274-042215-
SHERIDAN COUNTY-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........SUNNY. PATCHY SMOKE.
* MAX TEMPERATURE.......75-80.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........25-30 PERCENT.
* 24 HR TREND.........1 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING
NORTHEAST 5 TO 10 MPH IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING. PATCHY SMOKE THROUGH THE NIGHT.
* MIN TEMPERATURE.......46-51.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........82-87 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT OVERNIGHT.
* RIDGETOP.............SOUTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
WEDNESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......84-89.
* 24 HR TREND.........9 DEGREES WARMER.
* MIN HUMIDITY..........15-20 PERCENT.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING
NORTHEAST 5 TO 10 MPH IN THE AFTERNOON.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 55. WEST WINDS 5 TO
10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS 90 TO 95. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS 96 TO 101. WEST
WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 94 TO 99.
NORTHWEST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 57 TO 62. HIGHS 93 TO 98.
MONDAY
SUNNY. HIGHS 91 TO 96.
WYZ284-042215-
BIGHORN NATIONAL FOREST-
1247 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY SMOKE.
* MAX TEMPERATURE.......58-63.
* 24 HR TREND.........7 DEGREES WARMER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......WEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTHEAST 5 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING. PATCHY SMOKE THROUGH THE NIGHT.
* MIN TEMPERATURE.......38-43.
* 24 HR TREND.........8 DEGREES WARMER.
* MAX HUMIDITY..........77-82 PERCENT.
* 24 HR TREND.........21 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......EAST WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE SOUTHWEST 5 TO 10 MPH OVERNIGHT.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
WEDNESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......65-70.
* 24 HR TREND.........7 DEGREES WARMER.
* MIN HUMIDITY..........20-25 PERCENT.
* 24 HR TREND.........16 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 48. SOUTHWEST WINDS
5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 72 TO 77. WEST
WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 75 TO 80. WEST WINDS
5 TO 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 75 TO 80. WEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 48 TO 53. HIGHS 75 TO 80.
MONDAY
SUNNY. HIGHS 73 TO 78.
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