604
FNUS55 KBYZ 140734
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA
NATIONAL WEATHER SERVICE BILLINGS MT
134 AM MDT SUN SEP 14 2025
DISCUSSION
MAINLY DRY AND WARMER TODAY WITH A GOOD DEAL OF SUNSHINE TO START
THE DAY. MINRH VALUES WILL BE IN THE 25 TO 35 PERCENT RANGE MOST
LOCATIONS, HIGHER IN ZONE 133 WHERE A CHANCE OF SHOWERS EXISTS
THROUGH THE DAY OVER MAINLY THE SOUTH DAKOTA PORTION. BY LATE THIS
AFTERNOON INTO THE EVENING A FEW SHOWERS/TSTMS CAN'T BE RULED OUT
OVER THE WESTERN MOUNTAINS, AND CONTINUING IN ZONE 133. MONDAY
AND TUESDAY NOW LOOK UNSETTLED WITH COOLER TEMPERATURES AND HIGHER
MINRH VALUES. PRECIPITATION CHANCES ARE MODERATE TO HIGH DURING
THIS PERIOD, BUT WETTING RAIN CHANCES ARE LOWER COMPARED TO THIS
WEEKENDS SYSTEM DUE TO LOWER PRECIPITATION ACCUMULATIONS EXPECTED.
SEASONAL TEMPERATURES AND DRIER CONDITIONS EXPECTED FOR WEDNESDAY
INTO FRIDAY. ANOTHER SYSTEM ARRIVES NEXT WEEKEND FOR ADDITIONAL
PRECIPITATION CHANCES. CHAMBERS
MTZ123-142215-
GALLATIN NATIONAL FOREST-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........SUNNY IN THE MORNING THEN BECOMING PARTLY
SUNNY.
* MAX TEMPERATURE.......71-77 AT 5000 FEET...58-68 AT 7000 FEET.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........27-32 PERCENT.
* 24 HR TREND.........5 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE WEST IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
EVENING, THEN SCATTERED RAIN SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......43-53 AT 5000 FEET...36-46 AT 7000 FEET.
* 24 HR TREND.........4 DEGREES COOLER.
* MAX HUMIDITY..........74-79 PERCENT.
* 24 HR TREND.........19 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...14 PERCENT.
* CWR...................10 PERCENT.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN
THE MORNING, THEN NUMEROUS RAIN SHOWERS AND SCATTERED
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......57-66 AT 5000 FEET...48-58 AT 7000 FEET.
* 24 HR TREND.........12 DEGREES COOLER.
* MIN HUMIDITY..........55-65 PERCENT AT 5000 FEET...59-69 PERCENT
AT 7000 FEET.
* 24 HR TREND.........39 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...26 PERCENT.
* CWR...................60 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 42 TO 52. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 41 TO 51. HIGHS
62 TO 71. EAST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 41 TO 51. HIGHS 69 TO 79. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 41 TO 51. HIGHS 72 TO 81.
SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 42 TO 52. HIGHS
70 TO 80.
SATURDAY
PARTLY SUNNY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 67 TO 76.
MTZ124-142215-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......76-81.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........21-26 PERCENT.
* 24 HR TREND.........13 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......47-52.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........71-76 PERCENT.
* 24 HR TREND.........16 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...8 PERCENT.
* CWR...................ZERO.
MONDAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
MORNING, THEN NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS
IN THE AFTERNOON.
* MAX TEMPERATURE.......67-72.
* 24 HR TREND.........9 DEGREES COOLER.
* MIN HUMIDITY..........41-46 PERCENT.
* 24 HR TREND.........20 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30
MPH IN THE MORNING.
* CHANCE OF LIGHTNING...27 PERCENT.
* CWR...................30 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 46 TO 51. WEST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 42 TO 47. HIGHS 67 TO 72. NORTHWEST WINDS
5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 72 TO 77. SOUTH
WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 74 TO 79.
SOUTHEAST WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 43 TO 48. HIGHS
71 TO 76.
SATURDAY
PARTLY SUNNY. ISOLATED SHOWERS. HIGHS 70 TO 75.
MTZ125-142215-
STILLWATER COUNTY-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......75-80.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........23-28 PERCENT.
* 24 HR TREND.........11 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...5 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......49-54.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........62-67 PERCENT.
* 24 HR TREND.........5 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................ZERO.
MONDAY
* SKY/WEATHER...........MOSTLY SUNNY WITH SCATTERED RAIN SHOWERS IN
THE MORNING, THEN MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......68-73.
* 24 HR TREND.........7 DEGREES COOLER.
* MIN HUMIDITY..........40-45 PERCENT.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...24 PERCENT.
* CWR...................40 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 47 TO 52. WEST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS. LOWS 45 TO 50. HIGHS
67 TO 72. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 72 TO 77. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS 74 TO 79. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 47 TO 52. HIGHS
73 TO 78.
SATURDAY
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 73 TO 78.
MTZ126-142215-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......70-77 AT 5000 FEET...59-69 AT 7000 FEET.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........24-34 PERCENT AT 5000 FEET...29-39 PERCENT
AT 7000 FEET.
* 24 HR TREND.........17 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH IN THE MORNING
SHIFTING TO THE EAST 5 TO 10 MPH IN THE AFTERNOON.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......50-57 AT 5000 FEET...42-52 AT 7000 FEET.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........50-60 PERCENT AT 5000 FEET...55-65 PERCENT
AT 7000 FEET.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
MONDAY
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
MORNING, THEN NUMEROUS RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN
THE AFTERNOON.
* MAX TEMPERATURE.......64-71 AT 5000 FEET...54-64 AT 7000 FEET.
* 24 HR TREND.........6 DEGREES COOLER.
* MIN HUMIDITY..........39-49 PERCENT AT 5000 FEET...45-55 PERCENT
AT 7000 FEET.
* 24 HR TREND.........18 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...24 PERCENT.
* CWR...................60 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 48 TO 54. WEST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS. LOWS 47 TO 52. HIGHS
60 TO 68. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 46 TO 53. HIGHS 65 TO 73. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 46 TO 54. HIGHS 67 TO 75. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 48 TO 56. HIGHS
69 TO 76.
SATURDAY
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 68 TO 76.
MTZ127-142215-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......75-80.
* 24 HR TREND.........10 DEGREES WARMER.
* MIN HUMIDITY..........27-32 PERCENT.
* 24 HR TREND.........34 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR IN THE EVENING THEN BECOMING
MOSTLY CLOUDY.
* MIN TEMPERATURE.......55-60.
* 24 HR TREND.........4 DEGREES WARMER.
* MAX HUMIDITY..........54-59 PERCENT.
* 24 HR TREND.........19 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE WEST 5 TO 15 MPH OVERNIGHT.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
MONDAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......70-75.
* 24 HR TREND.........5 DEGREES COOLER.
* MIN HUMIDITY..........41-46 PERCENT.
* 24 HR TREND.........14 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...21 PERCENT.
* CWR...................20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 54 TO 59. NORTHWEST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 51 TO 56. HIGHS 65 TO 70. NORTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 69 TO 74.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS 70 TO 75. EAST
WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 49 TO 54. HIGHS
70 TO 75.
SATURDAY
PARTLY SUNNY. ISOLATED SHOWERS. HIGHS 70 TO 75.
MTZ128-142215-
YELLOWSTONE COUNTY-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......79-84.
* 24 HR TREND.........14 DEGREES WARMER.
* MIN HUMIDITY..........25-30 PERCENT.
* 24 HR TREND.........36 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......55-60.
* 24 HR TREND.........6 DEGREES WARMER.
* MAX HUMIDITY..........58-63 PERCENT.
* 24 HR TREND.........22 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................ZERO.
MONDAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......72-77.
* 24 HR TREND.........7 DEGREES COOLER.
* MIN HUMIDITY..........42-47 PERCENT.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...23 PERCENT.
* CWR...................20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 53 TO 58. WEST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 50 TO 55. HIGHS 68 TO 73. NORTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 73 TO 78.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS 75 TO 80.
NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 49 TO 54. HIGHS
74 TO 79.
SATURDAY
MOSTLY SUNNY. ISOLATED SHOWERS. HIGHS 74 TO 79.
MTZ129-142215-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......68-78 AT 5000 FEET...61-68 AT 7000 FEET.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........23-33 PERCENT AT 5000 FEET...29-36 PERCENT
AT 7000 FEET.
* 24 HR TREND.........19 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......52-57 AT 5000 FEET...50-55 AT 7000 FEET.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........45-55 PERCENT AT 5000 FEET...43-53 PERCENT
AT 7000 FEET.
* 24 HR TREND.........26 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE SOUTHWEST 5 TO 15 MPH OVERNIGHT.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
MONDAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......62-72 AT 5000 FEET...57-63 AT 7000 FEET.
* 24 HR TREND.........5 DEGREES COOLER.
* MIN HUMIDITY..........48-53 PERCENT.
* 24 HR TREND.........21 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH.
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...24 PERCENT.
* CWR...................20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 48 TO 54. WEST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS. LOWS 47 TO 52. HIGHS
58 TO 68. WEST WINDS 5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 47 TO 52. HIGHS 64 TO 74. SOUTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 46 TO 53. HIGHS 66 TO 76. EAST
WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 48 TO 56. HIGHS
67 TO 77.
SATURDAY
PARTLY SUNNY. ISOLATED SHOWERS. HIGHS 66 TO 76.
MTZ130-142215-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......79-84.
* 24 HR TREND.........9 DEGREES WARMER.
* MIN HUMIDITY..........28-33 PERCENT.
* 24 HR TREND.........11 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......54-59.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........63-68 PERCENT.
* 24 HR TREND.........24 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE SOUTHWEST OVERNIGHT.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
MONDAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......77-82.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........31-36 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...12 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 54 TO 59. NORTHWEST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 50 TO 55. HIGHS 70 TO 75. NORTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 47 TO 52.
HIGHS 71 TO 76. NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS 72 TO 77. EAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. ISOLATED SHOWERS. LOWS 49 TO 54. HIGHS
73 TO 78.
SATURDAY
PARTLY SUNNY. ISOLATED SHOWERS. HIGHS 73 TO 78.
MTZ131-142215-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......76-81.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........26-31 PERCENT.
* 24 HR TREND.........21 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......50-55.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........58-63 PERCENT.
* 24 HR TREND.........28 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
MONDAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......75-80.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........32-37 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...17 PERCENT.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 49 TO 54. NORTHWEST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 47 TO 52. HIGHS 66 TO 71. NORTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 44 TO 49. HIGHS 70 TO 75. NORTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 43 TO 48. HIGHS 72 TO 77. EAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS 73 TO 78.
SATURDAY
MOSTLY SUNNY. ISOLATED SHOWERS. HIGHS 73 TO 78.
MTZ132-142215-
CUSTER COUNTY-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........PARTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......73-78.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........41-46 PERCENT.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......53-58.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........77-82 PERCENT.
* 24 HR TREND.........18 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE SOUTHWEST OVERNIGHT.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................ZERO.
MONDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......76-81.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........35-40 PERCENT.
* 24 HR TREND.........6 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. SCATTERED THUNDERSTORMS AND
SHOWERS. LOWS 52 TO 57. NORTHWEST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 50 TO 55. HIGHS 68 TO 73. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 47 TO 52.
HIGHS 68 TO 73. NORTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS 68 TO 73. EAST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS 69 TO 74.
SATURDAY
MOSTLY SUNNY. HIGHS 70 TO 75.
MTZ133-142215-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
SCATTERED RAIN SHOWERS IN THE MORNING, THEN ISOLATED RAIN SHOWERS
IN THE AFTERNOON.
* MAX TEMPERATURE.......71-76.
* 24 HR TREND.........6 DEGREES COOLER.
* MIN HUMIDITY..........57-62 PERCENT.
* 24 HR TREND.........19 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY WITH ISOLATED RAIN SHOWERS.
* MIN TEMPERATURE.......54-59.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........86-91 PERCENT.
* 24 HR TREND.........7 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE SOUTHWEST OVERNIGHT.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................10 PERCENT.
MONDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......79-84.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........35-40 PERCENT.
* 24 HR TREND.........22 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. SCATTERED THUNDERSTORMS AND
SHOWERS. LOWS 52 TO 57. NORTHWEST WINDS 5 TO 15 MPH.
TUESDAY
NOT AS WARM. MOSTLY CLOUDY. PATCHY FOG. SCATTERED
SHOWERS AND THUNDERSTORMS. LOWS 50 TO 55. HIGHS 69 TO 74.
NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 47 TO 52. HIGHS 69 TO 74. NORTH WINDS 5 TO
10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS 68 TO 73. EAST
WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 68 TO 73.
SATURDAY
MOSTLY SUNNY. ISOLATED SHOWERS. HIGHS 69 TO 74.
WYZ274-142215-
SHERIDAN COUNTY-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......76-81.
* 24 HR TREND.........11 DEGREES WARMER.
* MIN HUMIDITY..........27-32 PERCENT.
* 24 HR TREND.........19 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTH IN THE AFTERNOON.
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......46-51.
* 24 HR TREND.........4 DEGREES WARMER.
* MAX HUMIDITY..........64-69 PERCENT.
* 24 HR TREND.........23 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
MONDAY
* SKY/WEATHER...........SUNNY IN THE MORNING, THEN PARTLY SUNNY
WITH SCATTERED THUNDERSTORMS AND RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......72-77.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...27 PERCENT.
* CWR...................30 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. AREAS OF FOG. NUMEROUS SHOWERS AND
SCATTERED THUNDERSTORMS. LOWS 44 TO 49. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. AREAS OF FOG. SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 42 TO 47. HIGHS 66 TO 71. NORTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 41 TO 46. HIGHS 69 TO 74. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 72 TO 77.
SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. ISOLATED SHOWERS. LOWS 43 TO 48. HIGHS
75 TO 80.
SATURDAY
MOSTLY SUNNY. ISOLATED SHOWERS. HIGHS 74 TO 79.
WYZ284-142215-
BIGHORN NATIONAL FOREST-
134 AM MDT SUN SEP 14 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......58-63.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........31-36 PERCENT.
* 24 HR TREND.........22 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......39-44.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........59-64 PERCENT.
* 24 HR TREND.........20 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
MONDAY
* SKY/WEATHER...........MOSTLY SUNNY WITH SCATTERED RAIN SHOWERS IN
THE MORNING, THEN MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS AND
SCATTERED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......56-61.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........50-55 PERCENT.
* 24 HR TREND.........19 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...29 PERCENT.
* CWR...................50 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY NIGHT
MOSTLY CLOUDY. AREAS OF FOG. NUMEROUS SHOWERS AND
SCATTERED THUNDERSTORMS. LOWS 34 TO 39. NORTHWEST WINDS 5 TO
15 MPH.
TUESDAY
MOSTLY CLOUDY. AREAS OF FOG. SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 32 TO 37. HIGHS 49 TO 54. NORTHWEST WINDS
5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. SCATTERED THUNDERSTORMS AND SHOWERS.
LOWS 34 TO 39. HIGHS 54 TO 59. SOUTHWEST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 35 TO 40. HIGHS 57 TO 62. WEST
WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 38 TO 43. HIGHS
60 TO 65.
SATURDAY
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 59 TO 64.
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