365  
FNUS55 KBYZ 211844  
FWFBYZ  
 
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA  
NATIONAL WEATHER SERVICE BILLINGS MT  
1244 PM MDT TUE JUL 21 2026  
   
..WET THUNDERSTORMS THROUGH THURSDAY  
   
..TURNING HOTTER & DRIER FRIDAY THROUGH THE WEEKEND  
 
   
DISCUSSION  
 
EXPECT SCATTERED WET THUNDERSTORMS NEAR THE MT/WY BORDER LATE THIS  
AFTERNOON AND EVENING. STORMS ARE MORE LIKELY OVER A BROADER AREA  
WEDNESDAY AND THURSDAY...AND COULD PRODUCE VERY HEAVY RAINFALL  
AND ERRATIC WIND GUSTS. LOOK FOR SEASONAL TEMPS AND ELEVATED  
HUMIDITIES THROUGH THURSDAY. CONFIDENCE IS HIGH FOR STRONG HIGH  
PRESSURE ALOFT AND HOTTER/DRIER CONDITIONS FRIDAY THROUGH THE  
WEEKEND, WITH A SLIGHT CHANCE OF HIGH-BASED THUNDERSTORMS EACH  
DAY. EXPECT TRIPLE DIGIT HIGH TEMPS AND LOW-MID TEENS RHS. JKL  
 
MTZ123-221015-  
GALLATIN NATIONAL FOREST-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......54-64 AT 5000 FEET...51-61 AT 7000 FEET.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........72-82 PERCENT AT 5000 FEET...69-79 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH IN THE EVENING  
BECOMING LIGHT OVERNIGHT.  
* RIDGETOP.............LIGHT WINDS.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* CWR...................10 PERCENT.  
   
WEDNESDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. NUMEROUS RAIN SHOWERS AND  
SCATTERED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......81-91 AT 5000 FEET...70-80 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........32-42 PERCENT AT 5000 FEET...43-53 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING NORTH 5  
TO 10 MPH IN THE AFTERNOON.  
* RIDGETOP.............LIGHT WINDS.  
* CHANCE OF LIGHTNING...50 PERCENT.  
* CWR...................30 PERCENT.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......55-65 AT 5000 FEET...51-61 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........73-78 PERCENT.  
* 24 HR TREND.........11 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........LIGHT WINDS.  
* RIDGETOP.............NORTH 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...32 PERCENT.  
* CWR...................60 PERCENT.  
   
THURSDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......82-90 AT 5000 FEET...69-79 AT 7000 FEET.  
* 24 HR TREND.........UNCHANGED.  
* MIN HUMIDITY..........30-40 PERCENT AT 5000 FEET...38-48 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING  
NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.  
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...35 PERCENT.  
* CWR...................10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS 56 TO 66. SOUTH WINDS 5 TO 10 MPH.    
FRIDAY  
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
57 TO 67. HIGHS 89 TO 98. SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY  
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 58 TO 68. HIGHS 90 TO 98. SOUTH WINDS 5 TO 15 MPH WITH GUSTS  
TO AROUND 30 MPH.    
SUNDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
55 TO 65. HIGHS 88 TO 96. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
55 TO 65. HIGHS 86 TO 94.    
TUESDAY  
SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS 86 TO  
94.  
 
 
 
MTZ124-221015-  
WHEATLAND COUNTY/SWEET GRASS COUNTY-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......55-60.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........73-78 PERCENT.  
* 24 HR TREND.........8 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...7 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......84-89.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MIN HUMIDITY..........32-37 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...14 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......57-62.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........80-85 PERCENT.  
* 24 HR TREND.........7 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING  
SHIFTING TO THE WEST OVERNIGHT.  
* CHANCE OF LIGHTNING...33 PERCENT.  
* CWR...................10 PERCENT.  
   
THURSDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......87-92.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MIN HUMIDITY..........29-34 PERCENT.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...25 PERCENT.  
* CWR...................10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS 57 TO 62. WEST WINDS 5 TO  
15 MPH.    
FRIDAY  
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 94 TO 99. WEST WINDS  
10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.    
SATURDAY  
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 58 TO 63. HIGHS 95 TO 100. WEST WINDS 10 TO 20 MPH WITH  
GUSTS TO AROUND 30 MPH.    
SUNDAY  
MOSTLY CLEAR. ISOLATED SHOWERS. LOWS 56 TO 61. HIGHS  
93 TO 98. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
MONDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
58 TO 63. HIGHS 89 TO 94.    
TUESDAY  
SUNNY. HIGHS 90 TO 95.  
 
 
 
MTZ125-221015-  
STILLWATER COUNTY-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......59-64.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MAX HUMIDITY..........65-70 PERCENT.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTH WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
WEDNESDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE  
HEAVY RAINFALL IN THE AFTERNOON.  
* MAX TEMPERATURE.......87-92.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MIN HUMIDITY..........31-36 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTH WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE EAST IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................20 PERCENT.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND  
SCATTERED THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN  
SHOWERS OVERNIGHT. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL  
IN THE EVENING.  
* MIN TEMPERATURE.......60-65.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........69-74 PERCENT.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................30 PERCENT.  
   
THURSDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......89-94.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........30-35 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...38 PERCENT.  
* CWR...................20 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 60 TO 65. SOUTHWEST WINDS  
5 TO 10 MPH.    
FRIDAY  
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
62 TO 67. HIGHS 97 TO 102. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 63 TO 68. HIGHS 98 TO 103. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
61 TO 66. HIGHS 97 TO 102. WEST WINDS 5 TO 10 MPH.    
MONDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
61 TO 66. HIGHS 93 TO 98.    
TUESDAY  
SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS 93 TO  
98.  
 
 
 
MTZ126-221015-  
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......59-67 AT 5000 FEET...52-62 AT 7000 FEET.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MAX HUMIDITY..........55-65 PERCENT AT 5000 FEET...64-74 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............LIGHT WINDS.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................20 PERCENT.  
   
WEDNESDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY WITH ISOLATED RAIN SHOWERS IN  
THE MORNING, THEN MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS AND  
SCATTERED THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY  
PRODUCE HEAVY RAINFALL IN THE AFTERNOON.  
* MAX TEMPERATURE.......81-88 AT 5000 FEET...70-80 AT 7000 FEET.  
* 24 HR TREND.........UNCHANGED.  
* MIN HUMIDITY..........32-41 PERCENT AT 5000 FEET...42-52 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........7 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.  
* RIDGETOP.............LIGHT WINDS.  
* CHANCE OF LIGHTNING...47 PERCENT.  
* CWR...................40 PERCENT.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS  
OVERNIGHT. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE  
EVENING.  
* MIN TEMPERATURE.......61-68 AT 5000 FEET...53-63 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........65-75 PERCENT AT 5000 FEET...71-81 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............LIGHT WINDS.  
* CHANCE OF LIGHTNING...31 PERCENT.  
* CWR...................70 PERCENT.  
   
THURSDAY  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN  
THE MORNING, THEN RAIN SHOWERS AND SCATTERED THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......80-90 AT 5000 FEET...70-80 AT 7000 FEET.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........36-46 PERCENT AT 5000 FEET...42-52 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............NORTH 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...41 PERCENT.  
* CWR...................40 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS 60 TO 69. WEST WINDS 5 TO  
15 MPH.    
FRIDAY  
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
63 TO 73. HIGHS 88 TO 98. WEST WINDS 10 TO 20 MPH.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 63 TO 73. HIGHS 90 TO 99. SOUTHWEST WINDS 10 TO 20 MPH WITH  
GUSTS TO AROUND 30 MPH.    
SUNDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
62 TO 69. HIGHS 89 TO 98. WEST WINDS 5 TO 15 MPH.    
MONDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 61 TO 70. HIGHS 86 TO 94.    
TUESDAY  
MOSTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS.  
HIGHS 87 TO 95.  
 
 
 
MTZ127-221015-  
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......61-66.  
* 24 HR TREND.........UNCHANGED.  
* MAX HUMIDITY..........56-61 PERCENT.  
* 24 HR TREND.........17 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...6 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......83-88.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........34-39 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......64-69.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MAX HUMIDITY..........61-66 PERCENT.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...12 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
THURSDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE  
MORNING.  
* MAX TEMPERATURE.......84-89.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........34-39 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...13 PERCENT.  
* CWR...................20 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS 64 TO 69. SOUTHWEST WINDS  
5 TO 10 MPH.    
FRIDAY  
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
66 TO 71. HIGHS 94 TO 99. WEST WINDS 5 TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 68 TO 73. HIGHS 93 TO 98. SOUTHWEST WINDS 5 TO 15 MPH.    
SUNDAY  
MOSTLY CLEAR. LOWS 64 TO 69. HIGHS 91 TO 96. NORTH  
WINDS 5 TO 15 MPH.    
MONDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
65 TO 70. HIGHS 87 TO 92.    
TUESDAY  
SUNNY. HIGHS 87 TO 92.  
 
 
 
MTZ128-221015-  
YELLOWSTONE COUNTY-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......63-68.  
* 24 HR TREND.........UNCHANGED.  
* MAX HUMIDITY..........56-61 PERCENT.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...12 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......89-94.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MIN HUMIDITY..........29-34 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...9 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......65-70.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........66-71 PERCENT.  
* 24 HR TREND.........10 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH IN THE EVENING  
SHIFTING TO THE WEST 5 TO 10 MPH OVERNIGHT.  
* CHANCE OF LIGHTNING...25 PERCENT.  
* CWR...................10 PERCENT.  
   
THURSDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN ISOLATED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......90-95.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........29-34 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...17 PERCENT.  
* CWR...................10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS 64 TO 69. SOUTH WINDS 5 TO  
15 MPH.    
FRIDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
66 TO 71. HIGHS 100 TO 105. WEST WINDS 5 TO 15 MPH.    
SATURDAY  
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 67 TO 72. HIGHS 100 TO 105. SOUTHWEST WINDS 5 TO 15 MPH.    
SUNDAY  
MOSTLY CLEAR. ISOLATED SHOWERS. LOWS 65 TO 70. HIGHS  
98 TO 103. NORTH WINDS 5 TO 15 MPH.    
MONDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
66 TO 71. HIGHS 94 TO 99.    
TUESDAY  
SUNNY. HIGHS 95 TO 100.  
 
 
 
MTZ129-221015-  
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS  
AND ISOLATED THUNDERSTORMS.  
* MIN TEMPERATURE.......60-66 AT 5000 FEET...59-64 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........57-67 PERCENT AT 5000 FEET...56-61 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........8 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHWEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...22 PERCENT.  
* CWR...................10 PERCENT.  
   
WEDNESDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......79-89 AT 5000 FEET...72-79 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........33-43 PERCENT AT 5000 FEET...43-53 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...14 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS  
IN THE EVENING, THEN SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS OVERNIGHT. SOME THUNDERSTORMS MAY PRODUCE HEAVY  
RAINFALL IN THE EVENING. SOME THUNDERSTORMS MAY PRODUCE HEAVY  
RAINFALL OVERNIGHT.  
* MIN TEMPERATURE.......62-67 AT 5000 FEET...59-64 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........67-72 PERCENT.  
* 24 HR TREND.........10 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............SOUTHEAST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...27 PERCENT.  
* CWR...................30 PERCENT.  
   
THURSDAY  
 
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS IN THE  
MORNING, THEN SCATTERED RAIN SHOWERS AND ISOLATED THUNDERSTORMS  
IN THE AFTERNOON.  
* MAX TEMPERATURE.......78-88 AT 5000 FEET...71-78 AT 7000 FEET.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MIN HUMIDITY..........38-48 PERCENT AT 5000 FEET...45-55 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........6 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............NORTH 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...23 PERCENT.  
* CWR...................30 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 62 TO 69. SOUTH WINDS 5 TO  
10 MPH.    
FRIDAY  
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
66 TO 72. HIGHS 88 TO 98. SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 67 TO 73. HIGHS 90 TO 100. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY CLEAR. LOWS 63 TO 70. HIGHS 89 TO 99. NORTHWEST  
WINDS 5 TO 15 MPH.    
MONDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
64 TO 70. HIGHS 85 TO 95.    
TUESDAY  
SUNNY. HIGHS 86 TO 96.  
 
 
 
MTZ130-221015-  
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......61-66.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........58-63 PERCENT.  
* 24 HR TREND.........6 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...6 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......90-95.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........26-31 PERCENT.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...3 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......63-68.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........71-76 PERCENT.  
* 24 HR TREND.........13 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...9 PERCENT.  
* CWR...................ZERO.  
   
THURSDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE  
MORNING.  
* MAX TEMPERATURE.......91-96.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........27-32 PERCENT.  
* 24 HR TREND.........1 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE WEST IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...7 PERCENT.  
* CWR...................10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 64 TO 69. SOUTH WINDS 5 TO  
10 MPH.    
FRIDAY  
WARMER. MOSTLY CLEAR. LOWS 66 TO 71. HIGHS 103 TO 108.  
WEST WINDS 5 TO 10 MPH.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 68 TO 73. HIGHS 103 TO 108. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY CLEAR. LOWS 67 TO 72. HIGHS 102 TO 107. NORTH  
WINDS 5 TO 10 MPH.    
MONDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
67 TO 72. HIGHS 98 TO 103.    
TUESDAY  
SUNNY. HIGHS 98 TO 103.  
 
 
 
MTZ131-221015-  
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT  
CUSTER NATL FOREST-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS  
AND ISOLATED THUNDERSTORMS.  
* MIN TEMPERATURE.......61-66.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........68-73 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...22 PERCENT.  
* CWR...................10 PERCENT.  
   
WEDNESDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......88-93.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........30-35 PERCENT.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............NORTH 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...7 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS  
IN THE EVENING, THEN SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS OVERNIGHT.  
* MIN TEMPERATURE.......62-67.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........81-86 PERCENT.  
* 24 HR TREND.........13 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............SOUTH 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...27 PERCENT.  
* CWR...................20 PERCENT.  
   
THURSDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN SCATTERED RAIN SHOWERS AND ISOLATED THUNDERSTORMS  
IN THE AFTERNOON.  
* MAX TEMPERATURE.......86-91.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MIN HUMIDITY..........35-40 PERCENT.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.  
* RIDGETOP.............NORTH 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...23 PERCENT.  
* CWR...................30 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 61 TO 66. SOUTH WINDS 5 TO  
10 MPH.    
FRIDAY  
WARMER. MOSTLY CLEAR. LOWS 64 TO 69. HIGHS 98 TO 103.  
WEST WINDS 5 TO 10 MPH.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 66 TO 71. HIGHS 100 TO 105. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY CLEAR. LOWS 65 TO 70. HIGHS 98 TO 103. NORTHWEST  
WINDS 5 TO 10 MPH.    
MONDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 66 TO 71. HIGHS 96 TO 101.    
TUESDAY  
SUNNY. HIGHS 95 TO 100.  
 
 
 
MTZ132-221015-  
CUSTER COUNTY-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......60-65.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........61-66 PERCENT.  
* 24 HR TREND.........15 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...5 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY  
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......85-90.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........29-34 PERCENT.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......61-66.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........77-82 PERCENT.  
* 24 HR TREND.........16 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...5 PERCENT.  
* CWR...................ZERO.  
   
THURSDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......87-92.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........29-34 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...13 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 62 TO 67. SOUTH WINDS 5 TO  
10 MPH.    
FRIDAY  
WARMER, CLEAR. LOWS 66 TO 71. HIGHS 99 TO 104.  
SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY  
MOSTLY CLEAR. LOWS 67 TO 72. HIGHS 101 TO 106.  
SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY CLEAR. LOWS 66 TO 71. HIGHS 98 TO 103. NORTHWEST  
WINDS 5 TO 15 MPH.    
MONDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
67 TO 72. HIGHS 96 TO 101.    
TUESDAY  
MOSTLY SUNNY. HIGHS 95 TO 100.  
 
 
 
MTZ133-221015-  
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS OVERNIGHT.  
* MIN TEMPERATURE.......59-64.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........71-76 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...15 PERCENT.  
* CWR...................20 PERCENT.  
   
WEDNESDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......82-87.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........41-46 PERCENT.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...3 PERCENT.  
* CWR...................ZERO.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS OVERNIGHT.  
* MIN TEMPERATURE.......59-64.  
* 24 HR TREND.........UNCHANGED.  
* MAX HUMIDITY..........81-86 PERCENT.  
* 24 HR TREND.........10 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...16 PERCENT.  
* CWR...................20 PERCENT.  
   
THURSDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......84-89.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........46-51 PERCENT.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...19 PERCENT.  
* CWR...................10 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 59 TO 64. SOUTH WINDS 5 TO  
10 MPH.    
FRIDAY  
WARMER, CLEAR. LOWS 65 TO 70. HIGHS 98 TO 103. WEST  
WINDS 5 TO 15 MPH.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 66 TO 71. HIGHS 101 TO 106. WEST WINDS 5 TO 15 MPH.    
SUNDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
65 TO 70. HIGHS 98 TO 103. NORTHWEST WINDS 5 TO 15 MPH.    
MONDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
65 TO 70. HIGHS 95 TO 100.    
TUESDAY  
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.  
HIGHS 96 TO 101.  
 
 
 
WYZ274-221015-  
SHERIDAN COUNTY-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS OVERNIGHT.  
* MIN TEMPERATURE.......58-63.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MAX HUMIDITY..........82-87 PERCENT.  
* 24 HR TREND.........7 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH IN THE EVENING  
SHIFTING TO THE NORTHWEST OVERNIGHT.  
* RIDGETOP.............SOUTH 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................20 PERCENT.  
   
WEDNESDAY  
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE  
HEAVY RAINFALL IN THE AFTERNOON.  
* MAX TEMPERATURE.......87-92.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MIN HUMIDITY..........34-39 PERCENT.  
* 24 HR TREND.........8 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTH WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...37 PERCENT.  
* CWR...................30 PERCENT.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........CLOUDY. NUMEROUS RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS OVERNIGHT. SOME THUNDERSTORMS MAY PRODUCE  
HEAVY RAINFALL.  
* MIN TEMPERATURE.......59-64.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........88-93 PERCENT.  
* 24 HR TREND.........6 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH IN THE EVENING  
BECOMING LIGHT OVERNIGHT.  
* RIDGETOP.............LIGHT WINDS.  
* CHANCE OF LIGHTNING...29 PERCENT.  
* CWR...................40 PERCENT.  
   
THURSDAY  
 
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE MORNING, THEN NUMEROUS RAIN SHOWERS  
AND SCATTERED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......84-89.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MIN HUMIDITY..........41-46 PERCENT.  
* 24 HR TREND.........7 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING NORTH 5  
TO 10 MPH IN THE AFTERNOON.  
* RIDGETOP.............NORTH 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...36 PERCENT.  
* CWR...................40 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 57 TO 62. SOUTH WINDS 5 TO  
10 MPH.    
FRIDAY  
WARMER. MOSTLY CLEAR. LOWS 61 TO 66. HIGHS 98 TO 103.  
WEST WINDS 5 TO 10 MPH.    
SATURDAY  
MOSTLY CLEAR. LOWS 63 TO 68. HIGHS 98 TO 103. WEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY CLEAR. LOWS 62 TO 67. HIGHS 97 TO 102. WEST  
WINDS 5 TO 10 MPH.    
MONDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
62 TO 67. HIGHS 93 TO 98.    
TUESDAY  
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.  
HIGHS 94 TO 99.  
 
 
 
WYZ284-221015-  
BIGHORN NATIONAL FOREST-  
1244 PM MDT TUE JUL 21 2026  
   
TONIGHT  
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......47-52.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MAX HUMIDITY..........91-96 PERCENT.  
* 24 HR TREND.........7 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......EAST WINDS 5 TO 15 MPH IN THE EVENING  
SHIFTING TO THE SOUTHWEST 5 TO 10 MPH OVERNIGHT.  
* CHANCE OF LIGHTNING...31 PERCENT.  
* CWR...................20 PERCENT.  
   
WEDNESDAY  
 
* SKY/WEATHER...........MOSTLY SUNNY IN THE MORNING, THEN MOSTLY  
CLOUDY WITH NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS IN  
THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN  
THE AFTERNOON.  
* MAX TEMPERATURE.......70-75.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MIN HUMIDITY..........53-58 PERCENT.  
* 24 HR TREND.........17 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......NORTHWEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE EAST 5 TO 15 MPH IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...42 PERCENT.  
* CWR...................60 PERCENT.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS OVERNIGHT. SOME THUNDERSTORMS MAY PRODUCE  
HEAVY RAINFALL.  
* MIN TEMPERATURE.......46-51.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........7 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...43 PERCENT.  
* CWR...................80 PERCENT.  
   
THURSDAY  
 
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS AND  
SCATTERED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......67-72.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MIN HUMIDITY..........60-65 PERCENT.  
* 24 HR TREND.........7 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......NORTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...40 PERCENT.  
* CWR...................80 PERCENT.  
 
   
FORECAST DAYS 3 THROUGH 7...  
   
THURSDAY NIGHT  
MOSTLY CLEAR. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS 46 TO 51. SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY  
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
51 TO 56. HIGHS 77 TO 82. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO AROUND 30 MPH.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 52 TO 57. HIGHS 80 TO 85. SOUTHWEST WINDS 10 TO 20 MPH WITH  
GUSTS TO AROUND 30 MPH.    
SUNDAY  
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
49 TO 54. HIGHS 79 TO 84. SOUTHWEST WINDS 5 TO 15 MPH.    
MONDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 50 TO 55. HIGHS 76 TO 81.    
TUESDAY  
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.  
HIGHS 77 TO 82.  
 
 
 
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