247  
FNUS55 KBYZ 222114  
FWFBYZ  
 
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA  
NATIONAL WEATHER SERVICE BILLINGS MT  
314 PM MDT SAT AUG 22 2026  
   
..ELEVATED FIRE WEATHER CONDITIONS WEST OF BILLINGS SUNDAY  
 
   
DISCUSSION  
 
BREEZY SOUTHEAST WINDS WILL PERSIST OVER THE EAST INTO THIS  
EVENING, CONTINUING OVER THE RIDGES OVERNIGHT AS A LOW LEVEL JET  
DEVELOPS. ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL  
MOVE THROUGH THE AREA THIS AFTERNOON AND EVENING, PERSISTING INTO  
THE EARLY MORNING HOURS NEAR THE DAKOTAS BORDER. SOME STORMS MAY  
BE CAPABLE OF GUSTY WINDS (40-50 MPH), SMALL HAIL AND HEAVY  
RAINFALL. A BREAK DOWN OF THE UPPER LEVEL RIDGE OCCURS SUNDAY AS A  
COLD FRONT MOVES THROUGH THE AREA DURING THE LATE AFTERNOON AND  
EVENING BRINGING BREEZY WESTERLY WINDS, STRONGEST FOR WESTERN  
DISTRICTS, THOUGH HUMIDITY LOOKS TO REMAIN ABOVE 20 PERCENT FOR  
MOST AREAS. SHOWERS/THUNDERSTORMS WILL ACCOMPANY THE FRONT AS  
WELL, AND COULD PRODUCE STRONG WIND GUSTS, HAIL AND BRIEF HEAVY  
RAIN. CONDITIONS TREND SOMEWHAT COOLER AND DRIER NEXT WEEK, WITH  
JUST AN OCCASIONAL CHANCE OF PRECIPITATION. PALMQUIST  
 
MTZ123-231015-  
GALLATIN NATIONAL FOREST-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......54-64 AT 5000 FEET...48-58 AT 7000 FEET.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........72-82 PERCENT AT 5000 FEET...75-85 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........28 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHEAST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................60 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. NUMEROUS RAIN SHOWERS AND  
SCATTERED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......81-90 AT 5000 FEET...69-79 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MIN HUMIDITY..........23-28 PERCENT.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...35 PERCENT.  
* CWR...................40 PERCENT.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......48-58 AT 5000 FEET...43-53 AT 7000 FEET.  
* 24 HR TREND.........6 DEGREES COOLER.  
* MAX HUMIDITY..........69-79 PERCENT AT 5000 FEET...65-75 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH IN THE EVENING  
BECOMING LIGHT OVERNIGHT.  
* RIDGETOP.............SOUTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...9 PERCENT.  
* CWR...................ZERO.  
   
MONDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......79-89 AT 5000 FEET...67-77 AT 7000 FEET.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MIN HUMIDITY..........13-21 PERCENT AT 5000 FEET...16-25 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........7 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...0 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS 49 TO 59. SOUTH WINDS 5 TO  
10 MPH.    
TUESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 50 TO 60. HIGHS 77 TO 87. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 51 TO 61. HIGHS 80 TO 89. SOUTHWEST WINDS  
5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 50 TO 60. HIGHS 81 TO 89. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 49 TO 59. HIGHS  
78 TO 86.    
SATURDAY  
SUNNY. HIGHS 77 TO 85.  
 
 
 
MTZ124-231015-  
WHEATLAND COUNTY/SWEET GRASS COUNTY-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......58-63.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MAX HUMIDITY..........75-80 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...21 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......88-93.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........18-23 PERCENT.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH  
IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...28 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......52-57.  
* 24 HR TREND.........6 DEGREES COOLER.  
* MAX HUMIDITY..........58-63 PERCENT.  
* 24 HR TREND.........17 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...15 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
MONDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......82-87.  
* 24 HR TREND.........6 DEGREES COOLER.  
* MIN HUMIDITY..........13-18 PERCENT.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 50 TO 55. NORTHWEST WINDS  
5 TO 15 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS 81 TO 86.  
SOUTHEAST WINDS 5 TO 15 MPH.    
WEDNESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 54 TO 59. HIGHS 85 TO 90. SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 53 TO 58. HIGHS  
86 TO 91. WEST WINDS 5 TO 15 MPH.    
FRIDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 51 TO 56. HIGHS  
83 TO 88.    
SATURDAY  
MOSTLY SUNNY. HIGHS 82 TO 87.  
 
 
 
MTZ125-231015-  
STILLWATER COUNTY-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......60-65.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........61-66 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...28 PERCENT.  
* CWR...................30 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......90-95.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........17-22 PERCENT.  
* 24 HR TREND.........11 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE NORTHWEST 5 TO 15 MPH IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS  
AND ISOLATED THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR  
OVERNIGHT.  
* MIN TEMPERATURE.......57-62.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........56-61 PERCENT.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* CWR...................10 PERCENT.  
   
MONDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......84-89.  
* 24 HR TREND.........6 DEGREES COOLER.  
* MIN HUMIDITY..........16-21 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 55 TO 60. WEST WINDS 5 TO  
10 MPH.    
TUESDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 55 TO 60. HIGHS 81 TO 86. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 56 TO 61. HIGHS 85 TO 90. SOUTH WINDS 5 TO  
10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 55 TO 60. HIGHS 88 TO 93. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS 54 TO 59. HIGHS 84 TO 89.    
SATURDAY  
SUNNY. HIGHS 84 TO 89.  
 
 
 
MTZ126-231015-  
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......61-68 AT 5000 FEET...53-63 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........54-64 PERCENT AT 5000 FEET...59-69 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........14 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................40 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......82-92 AT 5000 FEET...74-84 AT 7000 FEET.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........18-28 PERCENT AT 5000 FEET...21-31 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........7 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...25 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......59-64 AT 5000 FEET...48-58 AT 7000 FEET.  
* 24 HR TREND.........6 DEGREES COOLER.  
* MAX HUMIDITY..........53-58 PERCENT.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...19 PERCENT.  
* CWR...................10 PERCENT.  
   
MONDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......77-85 AT 5000 FEET...69-79 AT 7000 FEET.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MIN HUMIDITY..........18-27 PERCENT AT 5000 FEET...21-30 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE NORTH 5 TO 15 MPH IN THE AFTERNOON.  
* RIDGETOP.............NORTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...4 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS 56 TO 63. NORTHWEST WINDS  
5 TO 10 MPH.    
TUESDAY  
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS. LOWS 56 TO 63. HIGHS 76 TO 84. NORTHWEST WINDS  
5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 57 TO 64. HIGHS 79 TO 88. SOUTHWEST WINDS 5 TO 15 MPH.    
THURSDAY  
MOSTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 57 TO 64. HIGHS 80 TO 89. SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS 55 TO 62. HIGHS 78 TO 86.    
SATURDAY  
MOSTLY SUNNY. HIGHS 77 TO 86.  
 
 
 
MTZ127-231015-  
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......65-70.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MAX HUMIDITY..........57-62 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...27 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......88-93.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........21-26 PERCENT.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...19 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......61-66.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........53-58 PERCENT.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...17 PERCENT.  
* CWR...................10 PERCENT.  
   
MONDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......79-84.  
* 24 HR TREND.........9 DEGREES COOLER.  
* MIN HUMIDITY..........18-23 PERCENT.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 58 TO 63. NORTH WINDS 5 TO  
15 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS 59 TO 64. HIGHS 78 TO 83. NORTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS 61 TO 66. HIGHS 83 TO 88.  
SOUTHEAST WINDS 5 TO 15 MPH.    
THURSDAY  
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 61 TO 66.  
HIGHS 85 TO 90. SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 58 TO 63. HIGHS  
81 TO 86.    
SATURDAY  
MOSTLY SUNNY. HIGHS 80 TO 85.  
 
 
 
MTZ128-231015-  
YELLOWSTONE COUNTY-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......65-70.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MAX HUMIDITY..........65-70 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...29 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......93-98.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........19-24 PERCENT.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS  
AND ISOLATED THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR  
OVERNIGHT.  
* MIN TEMPERATURE.......61-66.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........61-66 PERCENT.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...18 PERCENT.  
* CWR...................10 PERCENT.  
   
MONDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......86-91.  
* 24 HR TREND.........7 DEGREES COOLER.  
* MIN HUMIDITY..........17-22 PERCENT.  
* 24 HR TREND.........2 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.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 59 TO 64. NORTHEAST WINDS  
5 TO 15 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS 59 TO 64. HIGHS 84 TO 89.  
NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 61 TO 66.  
HIGHS 89 TO 94. SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 61 TO 66. HIGHS  
91 TO 96. SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 59 TO 64. HIGHS  
87 TO 92.    
SATURDAY  
MOSTLY SUNNY. HIGHS 87 TO 92.  
 
 
 
MTZ129-231015-  
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......62-68 AT 5000 FEET...59-65 AT 7000 FEET.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MAX HUMIDITY..........52-62 PERCENT AT 5000 FEET...49-59 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 10 TO 20 MPH IN THE  
EVENING SHIFTING TO THE SOUTHWEST 5 TO 15 MPH OVERNIGHT.  
* RIDGETOP.............SOUTH 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...21 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......83-93 AT 5000 FEET...75-82 AT 7000 FEET.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MIN HUMIDITY..........21-28 PERCENT AT 5000 FEET...25-30 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........8 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...16 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......58-64 AT 5000 FEET...55-60 AT 7000 FEET.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........60-65 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............SOUTHWEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* CWR...................20 PERCENT.  
   
MONDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......76-86 AT 5000 FEET...69-76 AT 7000 FEET.  
* 24 HR TREND.........7 DEGREES COOLER.  
* MIN HUMIDITY..........18-28 PERCENT AT 5000 FEET...26-31 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTH WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 57 TO 62. EAST WINDS 5 TO  
10 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS 57 TO 63. HIGHS 75 TO 85. EAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 60 TO 65.  
HIGHS 79 TO 89. SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 59 TO 65. HIGHS  
81 TO 91. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS 58 TO 63. HIGHS 77 TO 87.    
SATURDAY  
MOSTLY SUNNY. HIGHS 77 TO 87.  
 
 
 
MTZ130-231015-  
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN ISOLATED SHOWERS AND  
THUNDERSTORMS OVERNIGHT.  
* MIN TEMPERATURE.......65-70.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MAX HUMIDITY..........76-81 PERCENT.  
* 24 HR TREND.........8 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...22 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......95-100.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........21-26 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...15 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......62-67.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........66-71 PERCENT.  
* 24 HR TREND.........10 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...21 PERCENT.  
* CWR...................10 PERCENT.  
   
MONDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......85-90.  
* 24 HR TREND.........10 DEGREES COOLER.  
* MIN HUMIDITY..........19-24 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 56 TO 61. NORTH WINDS 5 TO  
10 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS 84 TO 89. NORTH  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLEAR. LOWS 61 TO 66. HIGHS 89 TO 94. EAST  
WINDS 5 TO 15 MPH.    
THURSDAY  
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 61 TO 66.  
HIGHS 91 TO 96. SOUTHEAST WINDS 5 TO 10 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS 59 TO 64. HIGHS 87 TO 92.    
SATURDAY  
MOSTLY SUNNY. HIGHS 87 TO 92.  
 
 
 
MTZ131-231015-  
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT  
CUSTER NATL FOREST-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN ISOLATED SHOWERS AND  
THUNDERSTORMS OVERNIGHT.  
* MIN TEMPERATURE.......62-67.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MAX HUMIDITY..........76-81 PERCENT.  
* 24 HR TREND.........8 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 10 TO 20 MPH.  
* RIDGETOP.............SOUTH 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...26 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......92-97.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MIN HUMIDITY..........18-23 PERCENT.  
* 24 HR TREND.........10 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...14 PERCENT.  
* CWR...................ZERO.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......59-64.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........69-74 PERCENT.  
* 24 HR TREND.........7 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...18 PERCENT.  
* CWR...................10 PERCENT.  
   
MONDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......85-90.  
* 24 HR TREND.........7 DEGREES COOLER.  
* MIN HUMIDITY..........18-23 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTH WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTH 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 55 TO 60. NORTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS 84 TO 89. NORTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS 58 TO 63. HIGHS 88 TO 93.  
SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 59 TO 64. HIGHS 91 TO 96. SOUTH WINDS 5 TO 10 MPH.    
FRIDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 56 TO 61. HIGHS  
88 TO 93.    
SATURDAY  
MOSTLY SUNNY. HIGHS 87 TO 92.  
 
 
 
MTZ132-231015-  
CUSTER COUNTY-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED SHOWERS AND  
THUNDERSTORMS OVERNIGHT.  
* MIN TEMPERATURE.......65-70.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MAX HUMIDITY..........72-77 PERCENT.  
* 24 HR TREND.........14 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...26 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE MORNING.  
* MAX TEMPERATURE.......91-96.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........28-33 PERCENT.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 15 MPH IN THE MORNING  
SHIFTING TO THE WEST IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...18 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......62-67.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........70-75 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING  
SHIFTING TO THE WEST OVERNIGHT.  
* CHANCE OF LIGHTNING...21 PERCENT.  
* CWR...................10 PERCENT.  
   
MONDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......83-88.  
* 24 HR TREND.........8 DEGREES COOLER.  
* MIN HUMIDITY..........19-24 PERCENT.  
* 24 HR TREND.........9 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 56 TO 61. NORTHWEST WINDS 5 TO  
15 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 82 TO 87. NORTH  
WINDS 5 TO 15 MPH.    
WEDNESDAY  
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS 84 TO 89. EAST  
WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 61 TO 66. HIGHS 88 TO 93. SOUTHEAST WINDS 5 TO 15 MPH.    
FRIDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
59 TO 64. HIGHS 86 TO 91.    
SATURDAY  
MOSTLY SUNNY. HIGHS 86 TO 91.  
 
 
 
MTZ133-231015-  
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS OVERNIGHT.  
* MIN TEMPERATURE.......61-66.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MAX HUMIDITY..........85-90 PERCENT.  
* 24 HR TREND.........12 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 10 TO 20 MPH. GUSTS UP TO 30  
MPH IN THE EVENING.  
* CHANCE OF LIGHTNING...18 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......91-96.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MIN HUMIDITY..........27-32 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH IN THE MORNING  
SHIFTING TO THE WEST IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...19 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......61-66.  
* 24 HR TREND.........UNCHANGED.  
* MAX HUMIDITY..........74-79 PERCENT.  
* 24 HR TREND.........11 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH IN THE EVENING  
SHIFTING TO THE WEST OVERNIGHT.  
* CHANCE OF LIGHTNING...17 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
MONDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......87-92.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MIN HUMIDITY..........21-26 PERCENT.  
* 24 HR TREND.........6 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 57 TO 62. NORTHWEST WINDS 5 TO  
15 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS 84 TO 89. NORTHWEST  
WINDS 5 TO 15 MPH.    
WEDNESDAY  
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS 85 TO 90.  
NORTHEAST WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 58 TO 63. HIGHS 88 TO 93. SOUTHEAST WINDS 5 TO 15 MPH.    
FRIDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
57 TO 62. HIGHS 88 TO 93.    
SATURDAY  
MOSTLY SUNNY. HIGHS 88 TO 93.  
 
 
 
WYZ274-231015-  
SHERIDAN COUNTY-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......58-63.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........71-76 PERCENT.  
* 24 HR TREND.........1 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...17 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......90-95.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........21-26 PERCENT.  
* 24 HR TREND.........6 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE NORTHWEST 5 TO 15 MPH IN THE AFTERNOON.  
* RIDGETOP.............WEST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...23 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......56-61.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MAX HUMIDITY..........69-74 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............SOUTHWEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...18 PERCENT.  
* CWR...................20 PERCENT.  
   
MONDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......85-90.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MIN HUMIDITY..........20-25 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTH WINDS 5 TO 10 MPH.  
* RIDGETOP.............NORTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...3 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 53 TO 58. LIGHT WINDS.    
TUESDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 50 TO 55. HIGHS 82 TO 87. NORTH WINDS 5 TO  
10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 54 TO 59. HIGHS 86 TO 91. SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. LOWS 54 TO 59. HIGHS 88 TO 93.  
SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS 52 TO 57. HIGHS 86 TO 91.    
SATURDAY  
MOSTLY SUNNY. HIGHS 86 TO 91.  
 
 
 
WYZ284-231015-  
BIGHORN NATIONAL FOREST-  
314 PM MDT SAT AUG 22 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......48-53.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........78-83 PERCENT.  
* 24 HR TREND.........16 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...17 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......73-78.  
* 24 HR TREND.........UNCHANGED.  
* MIN HUMIDITY..........26-31 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......WEST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...24 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......46-51.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MAX HUMIDITY..........76-81 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...17 PERCENT.  
* CWR...................10 PERCENT.  
   
MONDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......68-73.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MIN HUMIDITY..........23-28 PERCENT.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......WEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...3 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 44 TO 49. WEST WINDS 5 TO  
10 MPH.    
TUESDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 42 TO 47. HIGHS 66 TO 71. WEST WINDS 5 TO  
10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 45 TO 50. HIGHS 69 TO 74. SOUTHWEST WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 45 TO 50. HIGHS 71 TO 76. SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 44 TO 49. HIGHS  
69 TO 74.    
SATURDAY  
MOSTLY SUNNY. HIGHS 68 TO 73.  
 
 
 
WEATHER.GOV/BILLINGS  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab MT Page
The Nexlab WY Page
Main Text Page