794  
FNUS55 KBYZ 212142  
FWFBYZ  
 
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA  
NATIONAL WEATHER SERVICE BILLINGS MT  
342 PM MDT FRI AUG 21 2026  
   
..BREEZY SOUTHEAST WINDS FOR MTZ130-133 SATURDAY  
   
..ELEVATED FIRE WEATHER CONDITIONS WEST OF BILLINGS SUNDAY  
 
   
DISCUSSION  
 
A LOW LEVEL JET WILL KEEP RIDGES BREEZY OVERNIGHT ACROSS THE  
EAST. HOT CONDITIONS CONTINUE FOR SATURDAY, WITH A DISTURBANCE  
BRINGING SHOWER AND THUNDERSTORM CHANCES DURING THE AFTERNOON AND  
EVENING. BREEZY SOUTHEAST WINDS CAN BE EXPECTED ACROSS MTZ130-133  
SATURDAY. THUNDERSTORMS COULD PRODUCE GUSTY WINDS, SMALL HAIL AND  
HEAVY RAINFALL. A BREAK DOWN OF THE UPPER LEVEL RIDGE OCCURS  
SUNDAY AS A COLD FRONT MOVES THROUGH THE AREA BRING BREEZY  
WESTERLY WINDS, STRONGEST FOR WESTERN AREAS, THOUGH HUMIDITY LOOKS  
TO REMAIN ABOVE 20 PERCENT. SHOWERS/THUNDERSTORMS WILL ACCOMPANY  
THE FRONT AS WELL, AND COULD PRODUCE GUSTY WINDS AND BRIEF HEAVY  
RAIN. CONDITIONS TREND SLIGHTLY COOLER AND DRIER NEXT WEEK, THOUGH  
AN OCCASIONAL CHANCE OF PRECIPITATION REMAINS. PALMQUIST  
 
MTZ123-221015-  
GALLATIN NATIONAL FOREST-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......55-65 AT 5000 FEET...53-63 AT 7000 FEET.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........54-64 PERCENT AT 5000 FEET...59-69 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........6 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHEAST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...5 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN  
THE MORNING, THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......81-91 AT 5000 FEET...70-80 AT 7000 FEET.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MIN HUMIDITY..........27-32 PERCENT.  
* 24 HR TREND.........11 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH.  
* RIDGETOP.............SOUTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...35 PERCENT.  
* CWR...................25 PERCENT.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS 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..........71-81 PERCENT AT 5000 FEET...74-84 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........22 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH.  
* RIDGETOP.............SOUTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................30 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......82-90 AT 5000 FEET...69-79 AT 7000 FEET.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MIN HUMIDITY..........26-31 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHWEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 51 TO 61. SOUTHWEST WINDS  
5 TO 10 MPH.    
MONDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 49 TO 59. HIGHS  
79 TO 89. SOUTHWEST WINDS 5 TO 10 MPH.    
TUESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 50 TO 60. HIGHS 79 TO 87. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 50 TO 60. HIGHS 80 TO 88. SOUTH WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 48 TO 58. HIGHS 78 TO 86.    
FRIDAY  
MOSTLY SUNNY. HIGHS 77 TO 85.  
 
 
 
MTZ124-221015-  
WHEATLAND COUNTY/SWEET GRASS COUNTY-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......55-60.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........68-73 PERCENT.  
* 24 HR TREND.........12 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......84-89.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MIN HUMIDITY..........29-34 PERCENT.  
* 24 HR TREND.........10 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......57-62.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........74-79 PERCENT.  
* 24 HR TREND.........6 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......88-93.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........19-24 PERCENT.  
* 24 HR TREND.........10 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...15 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 54 TO 59. WEST WINDS 10 TO  
20 MPH.    
MONDAY  
MOSTLY CLEAR. LOWS 51 TO 56. HIGHS 84 TO 89. WEST WINDS  
5 TO 15 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS 53 TO 58. HIGHS 82 TO 87.  
SOUTHEAST WINDS 5 TO 15 MPH.    
WEDNESDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 53 TO 58. HIGHS 85 TO 90. SOUTHWEST WINDS  
5 TO 15 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 51 TO 56. HIGHS  
82 TO 87.    
FRIDAY  
SUNNY. HIGHS 82 TO 87.  
 
 
 
MTZ125-221015-  
STILLWATER COUNTY-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......60-65.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........51-56 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 10 MPH IN THE EVENING  
SHIFTING TO THE NORTHWEST OVERNIGHT.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......85-90.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MIN HUMIDITY..........30-35 PERCENT.  
* 24 HR TREND.........13 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTH WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................20 PERCENT.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......60-65.  
* 24 HR TREND.........UNCHANGED.  
* MAX HUMIDITY..........60-65 PERCENT.  
* 24 HR TREND.........9 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...24 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......90-95.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........22-27 PERCENT.  
* 24 HR TREND.........8 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 58 TO 63. WEST WINDS 5 TO 15 MPH.    
MONDAY  
PARTLY CLOUDY. LOWS 56 TO 61. HIGHS 84 TO 89. WEST  
WINDS 5 TO 10 MPH.    
TUESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 55 TO 60. HIGHS 82 TO 87. SOUTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 55 TO 60. HIGHS 86 TO 91. SOUTH WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 54 TO 59. HIGHS  
83 TO 88.    
FRIDAY  
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS  
82 TO 87.  
 
 
 
MTZ126-221015-  
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......61-69 AT 5000 FEET...55-65 AT 7000 FEET.  
* 24 HR TREND.........UNCHANGED.  
* MAX HUMIDITY..........41-51 PERCENT AT 5000 FEET...43-53 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........9 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING  
SHIFTING TO THE SOUTHWEST OVERNIGHT.  
* RIDGETOP.............NORTHEAST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......82-91 AT 5000 FEET...73-83 AT 7000 FEET.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MIN HUMIDITY..........25-35 PERCENT AT 5000 FEET...29-39 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........10 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH.  
* RIDGETOP.............SOUTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...37 PERCENT.  
* CWR...................20 PERCENT.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......60-68 AT 5000 FEET...54-64 AT 7000 FEET.  
* 24 HR TREND.........UNCHANGED.  
* MAX HUMIDITY..........52-62 PERCENT AT 5000 FEET...56-66 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........13 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...25 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......82-91 AT 5000 FEET...73-83 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........22-31 PERCENT AT 5000 FEET...26-35 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...32 PERCENT.  
* CWR...................15 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS 59 TO 66. WEST WINDS 10 TO 20 MPH.    
MONDAY  
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 57 TO 64. HIGHS  
78 TO 86. WEST WINDS 5 TO 10 MPH.    
TUESDAY  
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 56 TO 64. HIGHS 77 TO 85. NORTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 57 TO 64. HIGHS 78 TO 87. SOUTHWEST WINDS 5 TO 15 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 55 TO 63. HIGHS 77 TO 85.    
FRIDAY  
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS  
77 TO 85.  
 
 
 
MTZ127-221015-  
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......63-68.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MAX HUMIDITY..........51-56 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......84-89.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........29-34 PERCENT.  
* 24 HR TREND.........6 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...15 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......64-69.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........58-63 PERCENT.  
* 24 HR TREND.........7 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...16 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......88-93.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........24-29 PERCENT.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...19 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS 62 TO 67. WEST WINDS 5 TO 15 MPH.    
MONDAY  
MOSTLY CLEAR. LOWS 59 TO 64. HIGHS 81 TO 86. NORTH  
WINDS 5 TO 15 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS 60 TO 65. HIGHS 79 TO 84. EAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 60 TO 65.  
HIGHS 83 TO 88. SOUTH WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 58 TO 63. HIGHS  
81 TO 86.    
FRIDAY  
MOSTLY SUNNY. HIGHS 80 TO 85.  
 
 
 
MTZ128-221015-  
YELLOWSTONE COUNTY-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......63-68.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MAX HUMIDITY..........54-59 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......89-94.  
* 24 HR TREND.........UNCHANGED.  
* MIN HUMIDITY..........24-29 PERCENT.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE SOUTH IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...15 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN  
SHOWERS OVERNIGHT.  
* MIN TEMPERATURE.......64-69.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........65-70 PERCENT.  
* 24 HR TREND.........11 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...19 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......93-98.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........22-27 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...16 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 62 TO 67. WEST WINDS 5 TO 15 MPH.    
MONDAY  
MOSTLY CLEAR. LOWS 61 TO 66. HIGHS 87 TO 92. NORTHEAST  
WINDS 5 TO 10 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS 61 TO 66. HIGHS 85 TO 90.  
NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 60 TO 65.  
HIGHS 89 TO 94. SOUTH WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 59 TO 64. HIGHS  
87 TO 92.    
FRIDAY  
MOSTLY SUNNY. HIGHS 86 TO 91.  
 
 
 
MTZ129-221015-  
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......62-69 AT 5000 FEET...61-66 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........42-52 PERCENT AT 5000 FEET...36-41 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........19 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHEAST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......81-91 AT 5000 FEET...75-82 AT 7000 FEET.  
* 24 HR TREND.........UNCHANGED.  
* MIN HUMIDITY..........21-31 PERCENT AT 5000 FEET...27-34 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........10 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 10 TO 20 MPH.  
* RIDGETOP.............SOUTHEAST 15 TO 25 MPH.  
* CHANCE OF LIGHTNING...19 PERCENT.  
* CWR...................10 PERCENT.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......63-69 AT 5000 FEET...61-66 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........51-61 PERCENT AT 5000 FEET...46-56 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........7 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...23 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.........UNCHANGED.  
* MIN HUMIDITY..........22-30 PERCENT AT 5000 FEET...27-32 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...15 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS 60 TO 66. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY  
PARTLY CLOUDY. LOWS 58 TO 64. HIGHS 78 TO 88. NORTH  
WINDS 5 TO 10 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS 59 TO 64. HIGHS 76 TO 86. EAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 59 TO 64. HIGHS 79 TO 89. EAST WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. LOWS 58 TO 63. HIGHS 77 TO 87.    
FRIDAY  
MOSTLY SUNNY. HIGHS 76 TO 86.  
 
 
 
MTZ130-221015-  
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......63-68.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MAX HUMIDITY..........59-64 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........PARTLY SUNNY.  
* MAX TEMPERATURE.......91-96.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........25-30 PERCENT.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...8 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......66-71.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MAX HUMIDITY..........77-82 PERCENT.  
* 24 HR TREND.........18 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......94-99.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MIN HUMIDITY..........22-27 PERCENT.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...8 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS 64 TO 69. WEST WINDS 5 TO 10 MPH.    
MONDAY  
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS 87 TO 92. NORTH  
WINDS 5 TO 10 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS 85 TO 90. NORTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 61 TO 66. HIGHS 90 TO 95. EAST WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 59 TO 64. HIGHS  
88 TO 93.    
FRIDAY  
MOSTLY SUNNY. HIGHS 87 TO 92.  
 
 
 
MTZ131-221015-  
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT  
CUSTER NATL FOREST-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......60-65.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........63-68 PERCENT.  
* 24 HR TREND.........9 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHEAST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......90-95.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MIN HUMIDITY..........28-33 PERCENT.  
* 24 HR TREND.........12 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 10 TO 20 MPH.  
* RIDGETOP.............SOUTHEAST 15 TO 25 MPH.  
* CHANCE OF LIGHTNING...17 PERCENT.  
* CWR...................10 PERCENT.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......63-68.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MAX HUMIDITY..........77-82 PERCENT.  
* 24 HR TREND.........14 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHEAST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...29 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......92-97.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........21-26 PERCENT.  
* 24 HR TREND.........7 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...10 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 60 TO 65. WEST WINDS 5 TO 15 MPH.    
MONDAY  
PARTLY CLOUDY. LOWS 56 TO 61. HIGHS 86 TO 91. NORTH  
WINDS 5 TO 10 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS 85 TO 90. NORTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 58 TO 63. HIGHS 89 TO 94. SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. LOWS 56 TO 61. HIGHS 87 TO 92.    
FRIDAY  
MOSTLY SUNNY. HIGHS 86 TO 91.  
 
 
 
MTZ132-221015-  
CUSTER COUNTY-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......60-65.  
* 24 HR TREND.........UNCHANGED.  
* MAX HUMIDITY..........61-66 PERCENT.  
* 24 HR TREND.........15 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........SUNNY IN THE MORNING THEN BECOMING PARTLY  
SUNNY.  
* MAX TEMPERATURE.......86-91.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MIN HUMIDITY..........26-31 PERCENT.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 10 TO 20 MPH. GUSTS UP TO 30  
MPH IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS OVERNIGHT.  
* MIN TEMPERATURE.......64-69.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MAX HUMIDITY..........74-79 PERCENT.  
* 24 HR TREND.........13 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...................10 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......90-95.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........30-35 PERCENT.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...19 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 63 TO 68. SOUTH WINDS 5 TO  
10 MPH.    
MONDAY  
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 85 TO 90. NORTHWEST  
WINDS 5 TO 15 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS 83 TO 88. NORTH  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 61 TO 66. HIGHS 86 TO 91. SOUTHEAST WINDS 5 TO 15 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 58 TO 63. HIGHS 85 TO 90.    
FRIDAY  
MOSTLY SUNNY. HIGHS 84 TO 89.  
 
 
 
MTZ133-221015-  
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......57-62.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........71-76 PERCENT.  
* 24 HR TREND.........13 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......85-90.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MIN HUMIDITY..........31-36 PERCENT.  
* 24 HR TREND.........7 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 15 TO 25 MPH. GUSTS UP TO 30  
MPH IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS OVERNIGHT.  
* MIN TEMPERATURE.......61-66.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MAX HUMIDITY..........83-88 PERCENT.  
* 24 HR TREND.........12 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 15 TO 25 MPH. GUSTS UP TO 30  
MPH IN THE EVENING.  
* CHANCE OF LIGHTNING...22 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......90-95.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........33-38 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...18 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
PARTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS. LOWS 62 TO 67. SOUTHEAST WINDS 5 TO 15 MPH.    
MONDAY  
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS 89 TO 94. NORTHWEST  
WINDS 5 TO 15 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS 85 TO 90. NORTH  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS 58 TO 63. HIGHS 86 TO 91.  
SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 57 TO 62. HIGHS 87 TO 92.    
FRIDAY  
MOSTLY SUNNY. HIGHS 86 TO 91.  
 
 
 
WYZ274-221015-  
SHERIDAN COUNTY-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......58-63.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MAX HUMIDITY..........65-70 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH IN THE EVENING  
SHIFTING TO THE SOUTHWEST OVERNIGHT.  
* RIDGETOP.............NORTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......90-95.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MIN HUMIDITY..........26-31 PERCENT.  
* 24 HR TREND.........10 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHEAST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...25 PERCENT.  
* CWR...................10 PERCENT.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......59-64.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........68-73 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH.  
* RIDGETOP.............SOUTH 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...22 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......90-95.  
* 24 HR TREND.........UNCHANGED.  
* MIN HUMIDITY..........24-29 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING  
NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.  
* RIDGETOP.............NORTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...24 PERCENT.  
* CWR...................10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 57 TO 62. SOUTHWEST WINDS  
5 TO 10 MPH.    
MONDAY  
PARTLY CLOUDY. LOWS 53 TO 58. HIGHS 85 TO 90. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 52 TO 57. HIGHS 83 TO 88. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS 54 TO 59. HIGHS 86 TO 91.  
SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY. LOWS 53 TO 58. HIGHS 86 TO 91.    
FRIDAY  
MOSTLY SUNNY. HIGHS 85 TO 90.  
 
 
 
WYZ284-221015-  
BIGHORN NATIONAL FOREST-  
342 PM MDT FRI AUG 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......49-54.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........61-66 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* AT BURGESS JCT.......EAST WINDS 5 TO 15 MPH IN THE EVENING  
SHIFTING TO THE SOUTHWEST OVERNIGHT.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
   
SATURDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......74-79.  
* 24 HR TREND.........UNCHANGED.  
* MIN HUMIDITY..........28-33 PERCENT.  
* 24 HR TREND.........7 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...26 PERCENT.  
* CWR...................15 PERCENT.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......50-55.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........72-77 PERCENT.  
* 24 HR TREND.........11 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...16 PERCENT.  
* CWR...................10 PERCENT.  
   
SUNDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY IN THE MORNING, THEN MOSTLY  
CLOUDY WITH SCATTERED RAIN SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......73-78.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MIN HUMIDITY..........32-37 PERCENT.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......WEST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...26 PERCENT.  
* CWR...................30 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
SUNDAY NIGHT  
PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS 47 TO 52. SOUTHWEST WINDS 5 TO 15 MPH.    
MONDAY  
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 44 TO 49. HIGHS  
69 TO 74. WEST WINDS 5 TO 15 MPH.    
TUESDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 43 TO 48. HIGHS 67 TO 72. 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 15 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 44 TO 49. HIGHS 69 TO 74.    
FRIDAY  
MOSTLY SUNNY. HIGHS 68 TO 73.  
 
 
 
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