437  
FNUS55 KBYZ 300813  
FWFBYZ  
 
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA  
NATIONAL WEATHER SERVICE BILLINGS MT  
213 AM MDT MON JUN 30 2025  
   
DISCUSSION
 
 
LOOK FOR DRY CONDITIONS TODAY, THEN THE CHANCE OF THUNDERSTORMS  
GRADUALLY INCREASES THROUGH THE MIDDLE OF THE WEEK. TEMPS WILL  
TREND UPWARD THE NEXT FEW DAYS WITH HIGHS IN THE 90S FOR MOST  
DISTRICTS TUESDAY THROUGH THURSDAY. AFTERNOON HUMIDITY LEVELS  
WILL ALSO BE TRENDING UP FOR THE LATTER HALF OF THE WEEK. BT  
 
MTZ123-302215-  
GALLATIN NATIONAL FOREST-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......79-89 AT 5000 FEET...68-78 AT 7000 FEET.  
* 24 HR TREND.........10 DEGREES WARMER.  
* MIN HUMIDITY..........18-23 PERCENT.  
* 24 HR TREND.........11 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE NORTH IN THE AFTERNOON.  
* RIDGETOP.............SOUTH 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......50-60 AT 5000 FEET...48-58 AT 7000 FEET.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MAX HUMIDITY..........56-66 PERCENT AT 5000 FEET...46-56 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........8 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............SOUTHWEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......85-95 AT 5000 FEET...72-82 AT 7000 FEET.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MIN HUMIDITY..........18-28 PERCENT AT 5000 FEET...16-26 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING WEST 5  
TO 10 MPH IN THE AFTERNOON.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...13 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS 53 TO 63. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 53 TO 63. HIGHS 84 TO 94. SOUTH WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 50 TO 60. HIGHS 78 TO 88. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS. LOWS 47 TO 57. HIGHS 74 TO 84. SOUTHWEST WINDS  
5 TO 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 46 TO 56. HIGHS 72 TO 82.    
SUNDAY
 
MOSTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS.  
HIGHS 77 TO 87.  
 

 
 
MTZ124-302215-  
WHEATLAND COUNTY/SWEET GRASS COUNTY-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......78-83.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........26-31 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......50-55.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MAX HUMIDITY..........63-68 PERCENT.  
* 24 HR TREND.........11 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH IN THE EVENING  
SHIFTING TO THE NORTHWEST 5 TO 10 MPH OVERNIGHT.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......86-91.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........24-29 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE NORTHEAST 5 TO 15 MPH IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...7 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 54 TO 59. WEST WINDS 5 TO  
15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 56 TO 61. HIGHS 86 TO 91. SOUTHWEST WINDS 5 TO 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 54 TO 59. HIGHS 81 TO 86. WEST WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 50 TO 55. HIGHS 76 TO 81. NORTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 49 TO 54. HIGHS 72 TO 77.    
SUNDAY
 
MOSTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS.  
HIGHS 78 TO 83.  
 

 
 
MTZ125-302215-  
STILLWATER COUNTY-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......80-85.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........27-32 PERCENT.  
* 24 HR TREND.........1 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......54-59.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MAX HUMIDITY..........56-61 PERCENT.  
* 24 HR TREND.........7 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH IN THE EVENING  
SHIFTING TO THE WEST OVERNIGHT.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......86-91.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........26-31 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............LIGHT WINDS IN THE MORNING BECOMING EAST 5  
TO 10 MPH IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...14 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS 57 TO 62. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 57 TO 62. HIGHS 86 TO 91. SOUTH WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 55 TO 60. HIGHS 83 TO 88. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS. LOWS 52 TO 57. HIGHS 76 TO 81. WEST WINDS 5 TO  
10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 51 TO 56. HIGHS 75 TO 80.    
SUNDAY
 
MOSTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS.  
HIGHS 79 TO 84.  
 

 
 
MTZ126-302215-  
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......75-84 AT 5000 FEET...68-78 AT 7000 FEET.  
* 24 HR TREND.........12 DEGREES WARMER.  
* MIN HUMIDITY..........21-31 PERCENT AT 5000 FEET...27-37 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTH 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......55-65 AT 5000 FEET...50-60 AT 7000 FEET.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MAX HUMIDITY..........43-48 PERCENT.  
* 24 HR TREND.........15 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......83-91 AT 5000 FEET...74-84 AT 7000 FEET.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........20-30 PERCENT AT 5000 FEET...23-33 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE NORTH IN THE AFTERNOON.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* CWR...................10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS 57 TO 66. SOUTHWEST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 59 TO 66. HIGHS 85 TO 92. SOUTHWEST WINDS 5 TO 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS. LOWS 56 TO 61. HIGHS 78 TO 87. WEST WINDS 5 TO  
15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS. LOWS 53 TO 58. HIGHS 72 TO 80. NORTHWEST WINDS  
5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 52 TO 58. HIGHS 71 TO 79.    
SUNDAY
 
MOSTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS.  
HIGHS 75 TO 83.  
 

 
 
MTZ127-302215-  
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......77-82.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........23-28 PERCENT.  
* 24 HR TREND.........8 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST 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 CLEAR.  
* MIN TEMPERATURE.......58-63.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MAX HUMIDITY..........41-46 PERCENT.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......86-91.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MIN HUMIDITY..........23-28 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 63 TO 68. NORTHWEST WINDS  
5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 62 TO 67.  
HIGHS 88 TO 93. SOUTH WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 61 TO 66. HIGHS 82 TO 87. NORTHWEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 57 TO 62. HIGHS 75 TO 80. NORTH WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 56 TO 61. HIGHS 73 TO 78.    
SUNDAY
 
SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS 78 TO  
83.  
 

 
 
MTZ128-302215-  
YELLOWSTONE COUNTY-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......83-88.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........20-25 PERCENT.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE EAST 5 TO 15 MPH IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......55-60.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........56-61 PERCENT.  
* 24 HR TREND.........9 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......91-96.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........19-24 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 60 TO 65. SOUTHWEST WINDS  
5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 61 TO 66.  
HIGHS 93 TO 98. SOUTHWEST WINDS 5 TO 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 60 TO 65. HIGHS 88 TO 93. NORTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 57 TO 62. HIGHS 80 TO 85. NORTH WINDS 5 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 55 TO 60. HIGHS 80 TO 85.    
SUNDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS  
84 TO 89.  
 

 
 
MTZ129-302215-  
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......73-83 AT 5000 FEET...66-73 AT 7000 FEET.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........23-33 PERCENT AT 5000 FEET...28-38 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........14 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......58-63.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MAX HUMIDITY..........40-50 PERCENT AT 5000 FEET...37-42 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........18 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......81-91 AT 5000 FEET...75-81 AT 7000 FEET.  
* 24 HR TREND.........10 DEGREES WARMER.  
* MIN HUMIDITY..........20-30 PERCENT AT 5000 FEET...25-35 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...4 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 61 TO 67. SOUTHWEST WINDS  
5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 62 TO 67.  
HIGHS 83 TO 93. SOUTHEAST WINDS 5 TO 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 57 TO 62. HIGHS 76 TO 86. WEST WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 54 TO 59. HIGHS 70 TO 80. WEST WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 53 TO 58. HIGHS 69 TO 79.    
SUNDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS  
73 TO 83.  
 

 
 
MTZ130-302215-  
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......82-87.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........17-22 PERCENT.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......56-61.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MAX HUMIDITY..........51-56 PERCENT.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......93-98.  
* 24 HR TREND.........11 DEGREES WARMER.  
* MIN HUMIDITY..........17-22 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 62 TO 67. EAST WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 65 TO 70. HIGHS 96 TO 101. SOUTHEAST WINDS  
5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 63 TO 68. HIGHS 90 TO 95. NORTHWEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 58 TO 63. HIGHS 83 TO 88. NORTHWEST WINDS  
5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 57 TO 62. HIGHS 80 TO 85.    
SUNDAY
 
SUNNY. HIGHS 84 TO 89.  
 

 
 
MTZ131-302215-  
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT  
CUSTER NATL FOREST-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......80-85.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........19-24 PERCENT.  
* 24 HR TREND.........8 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE NORTH IN THE AFTERNOON.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......54-59.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MAX HUMIDITY..........53-58 PERCENT.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......92-97.  
* 24 HR TREND.........12 DEGREES WARMER.  
* MIN HUMIDITY..........18-23 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 58 TO 63. SOUTHWEST WINDS  
5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 62 TO 67. HIGHS 94 TO 99. SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 59 TO 64. HIGHS 89 TO 94. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
NOT AS WARM. MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS. LOWS 54 TO 59. HIGHS 79 TO 84. NORTHWEST WINDS  
5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 53 TO 58. HIGHS 78 TO 83.    
SUNDAY
 
SUNNY. HIGHS 82 TO 87.  
 

 
 
MTZ132-302215-  
CUSTER COUNTY-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......78-83.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........21-26 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......55-60.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MAX HUMIDITY..........51-56 PERCENT.  
* 24 HR TREND.........9 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......89-94.  
* 24 HR TREND.........11 DEGREES WARMER.  
* MIN HUMIDITY..........21-26 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 60 TO 65. EAST WINDS 5 TO  
15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 66 TO 71. HIGHS 92 TO 97. SOUTHEAST WINDS 5 TO 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 62 TO 67. HIGHS 89 TO 94. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 57 TO 62. HIGHS 81 TO 86. NORTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 55 TO 60. HIGHS 77 TO 82.    
SUNDAY
 
SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS 80 TO  
85.  
 

 
 
MTZ133-302215-  
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......78-83.  
* 24 HR TREND.........UNCHANGED.  
* MIN HUMIDITY..........27-32 PERCENT.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......53-58.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........61-66 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING  
SHIFTING TO THE SOUTH OVERNIGHT.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......87-92.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MIN HUMIDITY..........30-35 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...3 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 58 TO 63. SOUTHEAST WINDS  
5 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 64 TO 69. HIGHS 91 TO 96. SOUTHEAST WINDS 5 TO 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 62 TO 67. HIGHS 91 TO 96. SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
NOT AS WARM. MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS. LOWS 57 TO 62. HIGHS 80 TO 85. NORTHWEST WINDS  
5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 55 TO 60. HIGHS 77 TO 82.    
SUNDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS  
79 TO 84.  
 

 
 
WYZ274-302215-  
SHERIDAN COUNTY-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......81-86.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MIN HUMIDITY..........25-30 PERCENT.  
* 24 HR TREND.........14 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.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......51-56.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MAX HUMIDITY..........64-69 PERCENT.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH IN THE EVENING  
SHIFTING TO THE SOUTHWEST OVERNIGHT.  
* RIDGETOP.............SOUTHWEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......90-95.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MIN HUMIDITY..........21-26 PERCENT.  
* 24 HR TREND.........4 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...5 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 55 TO 60. SOUTHWEST WINDS  
5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 58 TO 63.  
HIGHS 92 TO 97. SOUTH WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 55 TO 60. HIGHS 86 TO 91. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 50 TO 55. HIGHS 77 TO 82. NORTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 49 TO 54. HIGHS 78 TO 83.    
SUNDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS  
82 TO 87.  
 

 
 
WYZ284-302215-  
BIGHORN NATIONAL FOREST-  
213 AM MDT MON JUN 30 2025  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......67-72.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MIN HUMIDITY..........28-33 PERCENT.  
* 24 HR TREND.........28 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...1 PERCENT.  
* CWR...................ZERO.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......48-53.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MAX HUMIDITY..........52-57 PERCENT.  
* 24 HR TREND.........26 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTH WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......75-80.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........22-27 PERCENT.  
* 24 HR TREND.........6 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH IN THE MORNING  
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...11 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 51 TO 56.  
SOUTH WINDS 5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 52 TO 57. HIGHS 78 TO 83. SOUTH WINDS 5 TO  
15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS. LOWS 46 TO 51. HIGHS 71 TO 76. WEST WINDS 5 TO  
15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS. LOWS 43 TO 48. HIGHS 63 TO 68. WEST WINDS 5 TO  
15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 42 TO 47. HIGHS 64 TO 69.    
SUNDAY
 
MOSTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS.  
HIGHS 68 TO 73.  
 

 
 
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