405  
FNUS55 KBYZ 192108  
FWFBYZ  
 
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA  
NATIONAL WEATHER SERVICE BILLINGS MT  
308 PM MDT SAT SEP 19 2026  
   
DISCUSSION
 
 
RAIN SHOWERS AND THE OCCASIONALL EMBEDDED THUNDERSTORM POTENTIAL  
S WILL PERSIST THROUGH SUNDAY EVENING. ESTIMATED RAINFALL TOTALS  
OF 1.5 TO 2.5 INCHES HAVE OCCURRED AT AND WEST OF ROSEBUD COUNTY,  
AND AN ADDITIONAL 1-2 INCHES OF RAIN IS EXPECTED THROUGH SUNDAY.  
SNOW IS EXPECTED IN THE HIGHER ELEVATIONS ABOVE 10,000 FT. A  
WARMUP AND DRIER CONDITIONS WILL OCCUR FOR THE WORK WEEK. VERTZ  
 
MTZ123-201015-  
GALLATIN NATIONAL FOREST-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. SCATTERED RAIN SHOWERS IN THE  
EVENING, THEN ISOLATED RAIN SHOWERS OVERNIGHT.  
* MIN TEMPERATURE.......39-48 AT 5000 FEET...35-45 AT 7000 FEET.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........87-97 PERCENT AT 5000 FEET...83-93 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........12 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........LIGHT WINDS.  
* RIDGETOP.............LIGHT WINDS.  
* CHANCE OF LIGHTNING...14 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY.  
* MAX TEMPERATURE.......59-69 AT 5000 FEET...49-59 AT 7000 FEET.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MIN HUMIDITY..........46-56 PERCENT AT 5000 FEET...51-61 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........35 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING NORTH 5  
TO 10 MPH IN THE AFTERNOON.  
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...5 PERCENT.  
* CWR...................ZERO.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......39-46 AT 5000 FEET...34-44 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........80-90 PERCENT AT 5000 FEET...75-85 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........18 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
   
MONDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......67-77 AT 5000 FEET...56-66 AT 7000 FEET.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........30-40 PERCENT AT 5000 FEET...33-43 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........12 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...4 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 40 TO 49. SOUTH WINDS 5 TO  
10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 44 TO 54. HIGHS 70 TO 80. SOUTH  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 45 TO 55. HIGHS 71 TO 79. SOUTH  
WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 73 TO 82. SOUTH  
WINDS 5 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 43 TO 53. HIGHS 72 TO 82.    
SATURDAY
 
PARTLY SUNNY. ISOLATED SHOWERS. HIGHS 66 TO 76.  
 

 
 
MTZ124-201015-  
WHEATLAND COUNTY/SWEET GRASS COUNTY-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS IN THE EVENING, THEN  
NUMEROUS RAIN SHOWERS OVERNIGHT.  
* MIN TEMPERATURE.......44-49.  
* 24 HR TREND.........7 DEGREES COOLER.  
* MAX HUMIDITY..........90-95 PERCENT.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...9 PERCENT.  
* CWR...................70 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........PATCHY FOG IN THE MORNING. CLOUDY WITH  
SCATTERED RAIN SHOWERS IN THE MORNING, THEN MOSTLY SUNNY IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......63-68.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MIN HUMIDITY..........51-56 PERCENT.  
* 24 HR TREND.........28 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...6 PERCENT.  
* CWR...................20 PERCENT.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. PATCHY FOG OVERNIGHT.  
* MIN TEMPERATURE.......43-48.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........93-98 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...5 PERCENT.  
* CWR...................ZERO.  
   
MONDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY IN THE MORNING THEN CLEARING.  
PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......70-75.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MIN HUMIDITY..........39-44 PERCENT.  
* 24 HR TREND.........12 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 43 TO 48. SOUTHWEST WINDS 5 TO  
10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 47 TO 52. HIGHS 75 TO 80.  
SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 47 TO 52. HIGHS 75 TO 80. WEST  
WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 76 TO 81.  
SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 46 TO 51. HIGHS 75 TO 80.    
SATURDAY
 
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 66 TO 71.  
 

 
 
MTZ125-201015-  
STILLWATER COUNTY-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY WITH RAIN SHOWERS.  
* MIN TEMPERATURE.......45-50.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........87-92 PERCENT.  
* 24 HR TREND.........11 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...13 PERCENT.  
* CWR...................90 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS IN THE  
MORNING, THEN ISOLATED RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......61-66.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........56-61 PERCENT.  
* 24 HR TREND.........25 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...10 PERCENT.  
* CWR...................40 PERCENT.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......43-48.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MAX HUMIDITY..........79-84 PERCENT.  
* 24 HR TREND.........8 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH IN THE EVENING  
BECOMING LIGHT OVERNIGHT.  
* CHANCE OF LIGHTNING...6 PERCENT.  
* CWR...................ZERO.  
   
MONDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......69-74.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........39-44 PERCENT.  
* 24 HR TREND.........17 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............LIGHT WINDS IN THE MORNING BECOMING EAST 5  
TO 10 MPH IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 45 TO 50. SOUTHWEST WINDS 5 TO  
10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 49 TO 54. HIGHS 74 TO 79. SOUTH  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 49 TO 54. HIGHS 75 TO 80.  
SOUTHWEST WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 78 TO 83. SOUTH  
WINDS 5 TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 49 TO 54. HIGHS 78 TO 83.    
SATURDAY
 
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 69 TO 74.  
 

 
 
MTZ126-201015-  
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........PATCHY FOG IN THE EVENING. CLOUDY WITH RAIN  
SHOWERS.  
* MIN TEMPERATURE.......44-50 AT 5000 FEET...37-47 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........87-97 PERCENT AT 5000 FEET...85-95 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........9 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...12 PERCENT.  
* CWR...................90 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS IN THE  
MORNING, THEN SCATTERED RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......55-62 AT 5000 FEET...48-58 AT 7000 FEET.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........66-76 PERCENT AT 5000 FEET...68-78 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...12 PERCENT.  
* CWR...................60 PERCENT.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......44-50 AT 5000 FEET...36-46 AT 7000 FEET.  
* 24 HR TREND.........UNCHANGED.  
* MAX HUMIDITY..........78-88 PERCENT AT 5000 FEET...75-85 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........15 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...7 PERCENT.  
* CWR...................ZERO.  
   
MONDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......61-70 AT 5000 FEET...54-64 AT 7000 FEET.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MIN HUMIDITY..........46-56 PERCENT AT 5000 FEET...48-58 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........23 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE EAST 5 TO 15 MPH IN THE AFTERNOON.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...7 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 46 TO 53. SOUTHWEST WINDS 5 TO  
15 MPH.    
TUESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 50 TO 57. HIGHS  
68 TO 76. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 50 TO 57.  
HIGHS 68 TO 77. SOUTH WINDS 5 TO 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 52 TO 59. HIGHS 71 TO 80.  
SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 50 TO 57. HIGHS 72 TO 80.    
SATURDAY
 
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 67 TO 73.  
 

 
 
MTZ127-201015-  
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS OVERNIGHT. SOME  
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE EVENING.  
* MIN TEMPERATURE.......48-53.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............NORTH WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...22 PERCENT.  
* CWR...................100 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS IN THE MORNING, THEN  
NUMEROUS RAIN SHOWERS IN THE AFTERNOON. PATCHY FOG THROUGH THE  
DAY.  
* MAX TEMPERATURE.......54-59.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........92-97 PERCENT.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTH WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...14 PERCENT.  
* CWR...................70 PERCENT.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING. PATCHY FOG THROUGH THE NIGHT.  
* MIN TEMPERATURE.......48-53.  
* 24 HR TREND.........UNCHANGED.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...7 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY IN THE MORNING THEN BECOMING  
MOSTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......63-68.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MIN HUMIDITY..........61-66 PERCENT.  
* 24 HR TREND.........31 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 48 TO 53. SOUTHEAST WINDS 5 TO  
10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 70 TO 75. SOUTH  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 53 TO 58. HIGHS 72 TO 77.  
SOUTHWEST WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 74 TO 79. SOUTH  
WINDS 5 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 51 TO 56. HIGHS 73 TO 78.    
SATURDAY
 
PARTLY SUNNY. HIGHS 65 TO 70.  
 

 
 
MTZ128-201015-  
YELLOWSTONE COUNTY-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS OVERNIGHT. SOME  
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE EVENING.  
* MIN TEMPERATURE.......49-54.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* CWR...................100 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS IN THE MORNING, THEN  
NUMEROUS RAIN SHOWERS IN THE AFTERNOON. PATCHY FOG THROUGH THE  
DAY.  
* MAX TEMPERATURE.......60-65.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........84-89 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTH WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...13 PERCENT.  
* CWR...................70 PERCENT.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING. PATCHY FOG OVERNIGHT.  
* MIN TEMPERATURE.......48-53.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING  
SHIFTING TO THE SOUTHEAST OVERNIGHT.  
* CHANCE OF LIGHTNING...7 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY IN THE MORNING THEN CLEARING.  
PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......68-73.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........56-61 PERCENT.  
* 24 HR TREND.........28 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 47 TO 52. SOUTHEAST WINDS 5 TO  
10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 75 TO 80. SOUTH  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 52 TO 57. HIGHS 77 TO 82.  
SOUTHWEST WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 79 TO 84. SOUTH  
WINDS 5 TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 51 TO 56. HIGHS 78 TO 83.    
SATURDAY
 
PARTLY SUNNY. HIGHS 70 TO 75.  
 

 
 
MTZ129-201015-  
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE EVENING, THEN NUMEROUS RAIN SHOWERS  
OVERNIGHT. PATCHY FOG THROUGH THE NIGHT. SOME THUNDERSTORMS MAY  
PRODUCE HEAVY RAINFALL IN THE EVENING.  
* MIN TEMPERATURE.......45-50 AT 5000 FEET...41-46 AT 7000 FEET.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........87-97 PERCENT AT 5000 FEET...92-100 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................90 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........CLOUDY. NUMEROUS RAIN SHOWERS IN THE  
MORNING, THEN RAIN SHOWERS AND SCATTERED THUNDERSTORMS IN THE  
AFTERNOON. PATCHY FOG IN THE AFTERNOON. SOME THUNDERSTORMS MAY  
PRODUCE HEAVY RAINFALL IN THE AFTERNOON.  
* MAX TEMPERATURE.......52-62 AT 5000 FEET...46-52 AT 7000 FEET.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MIN HUMIDITY..........75-85 PERCENT AT 5000 FEET...81-91 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...26 PERCENT.  
* CWR...................70 PERCENT.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........CLOUDY. SCATTERED RAIN SHOWERS IN THE  
EVENING. PATCHY FOG THROUGH THE NIGHT.  
* MIN TEMPERATURE.......44-50 AT 5000 FEET...40-45 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH IN THE EVENING  
SHIFTING TO THE SOUTHWEST OVERNIGHT.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...12 PERCENT.  
* CWR...................40 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY IN THE MORNING THEN CLEARING.  
PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......61-71 AT 5000 FEET...54-61 AT 7000 FEET.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MIN HUMIDITY..........47-57 PERCENT AT 5000 FEET...56-66 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........43 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 46 TO 52. SOUTHEAST WINDS 5 TO  
10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 69 TO 79. SOUTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 52 TO 57. HIGHS 68 TO 78.  
SOUTHWEST WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 53 TO 59. HIGHS 72 TO 82.  
SOUTHEAST WINDS 5 TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 52 TO 57. HIGHS 72 TO 82.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 64 TO 74.  
 

 
 
MTZ130-201015-  
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS OVERNIGHT. PATCHY  
FOG OVERNIGHT. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN  
THE EVENING.  
* MIN TEMPERATURE.......50-55.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...30 PERCENT.  
* CWR...................80 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS IN THE MORNING, THEN  
NUMEROUS RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......59-64.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MIN HUMIDITY..........91-96 PERCENT.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...16 PERCENT.  
* CWR...................80 PERCENT.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN  
THE EVENING. PATCHY FOG THROUGH THE NIGHT.  
* MIN TEMPERATURE.......47-52.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...4 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY IN THE MORNING THEN BECOMING  
MOSTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......67-72.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........60-65 PERCENT.  
* 24 HR TREND.........31 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...0 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. PATCHY FOG. LOWS 47 TO 52.  
SOUTHEAST WINDS 5 TO 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS 75 TO 80. SOUTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS 76 TO 81.  
SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 80 TO 85.  
SOUTHEAST WINDS 5 TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 51 TO 56. HIGHS 80 TO 85.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 72 TO 77.  
 

 
 
MTZ131-201015-  
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT  
CUSTER NATL FOREST-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS OVERNIGHT. PATCHY  
FOG THROUGH THE NIGHT. SOME THUNDERSTORMS MAY PRODUCE HEAVY  
RAINFALL IN THE EVENING.  
* MIN TEMPERATURE.......48-53.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTH WINDS 5 TO 10 MPH.  
* RIDGETOP.............SOUTHWEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...34 PERCENT.  
* CWR...................100 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........CLOUDY. PATCHY FOG IN THE MORNING. RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS IN THE MORNING, THEN RAIN  
SHOWERS AND SCATTERED THUNDERSTORMS IN THE AFTERNOON. SOME  
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE MORNING. SOME  
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE AFTERNOON.  
* MAX TEMPERATURE.......59-64.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MIN HUMIDITY..........78-83 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTH WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...28 PERCENT.  
* CWR...................80 PERCENT.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........CLOUDY. NUMEROUS RAIN SHOWERS IN THE  
EVENING. PATCHY FOG THROUGH THE NIGHT.  
* MIN TEMPERATURE.......45-50.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...12 PERCENT.  
* CWR...................10 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY IN THE MORNING THEN BECOMING  
MOSTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......67-72.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........49-54 PERCENT.  
* 24 HR TREND.........29 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 44 TO 49. SOUTHEAST WINDS 5 TO  
15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 76 TO 81. SOUTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 48 TO 53.  
HIGHS 77 TO 82. SOUTH WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS 81 TO 86.  
SOUTHEAST WINDS 5 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS 81 TO 86.    
SATURDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS. HIGHS 74 TO 79.  
 

 
 
MTZ132-201015-  
CUSTER COUNTY-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS OVERNIGHT. SOME  
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE EVENING.  
* MIN TEMPERATURE.......50-55.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* CWR...................90 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........CLOUDY WITH RAIN SHOWERS.  
* MAX TEMPERATURE.......57-62.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MIN HUMIDITY..........81-86 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...9 PERCENT.  
* CWR...................90 PERCENT.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN  
THE EVENING. PATCHY FOG OVERNIGHT.  
* MIN TEMPERATURE.......46-51.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...2 PERCENT.  
* CWR...................LESS THAN 10 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......64-69.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MIN HUMIDITY..........56-61 PERCENT.  
* 24 HR TREND.........25 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...1 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 47 TO 52. SOUTHEAST WINDS  
10 TO 20 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 51 TO 56. HIGHS 72 TO 77. SOUTHEAST  
WINDS 5 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 52 TO 57. HIGHS 75 TO 80. SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS 79 TO 84. SOUTH  
WINDS 5 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 53 TO 58. HIGHS 80 TO 85.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 72 TO 77.  
 

 
 
MTZ133-201015-  
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY WITH RAIN SHOWERS.  
* MIN TEMPERATURE.......49-54.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...14 PERCENT.  
* CWR...................90 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........CLOUDY WITH RAIN SHOWERS.  
* MAX TEMPERATURE.......57-62.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MIN HUMIDITY..........92-97 PERCENT.  
* 24 HR TREND.........15 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH  
IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...10 PERCENT.  
* CWR...................90 PERCENT.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........CLOUDY. NUMEROUS RAIN SHOWERS IN THE  
EVENING, THEN ISOLATED RAIN SHOWERS OVERNIGHT.  
* MIN TEMPERATURE.......46-51.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...5 PERCENT.  
* CWR...................40 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...........CLOUDY IN THE MORNING THEN BECOMING PARTLY  
SUNNY.  
* MAX TEMPERATURE.......62-67.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........67-72 PERCENT.  
* 24 HR TREND.........25 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 10 TO 20 MPH. GUSTS UP TO 30  
MPH IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...3 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS 45 TO 50. SOUTHEAST WINDS  
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 49 TO 54. HIGHS 69 TO 74.  
SOUTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 51 TO 56. HIGHS 75 TO 80. SOUTHEAST WINDS  
5 TO 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 53 TO 58. HIGHS 80 TO 85. SOUTH  
WINDS 5 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 53 TO 58. HIGHS 80 TO 85.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 76 TO 81.  
 

 
 
WYZ274-201015-  
SHERIDAN COUNTY-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS  
OVERNIGHT. PATCHY FOG THROUGH THE NIGHT. SOME THUNDERSTORMS MAY  
PRODUCE HEAVY RAINFALL IN THE EVENING.  
* MIN TEMPERATURE.......44-49.  
* 24 HR TREND.........8 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...25 PERCENT.  
* CWR...................70 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.  
NUMEROUS RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY  
PRODUCE HEAVY RAINFALL IN THE AFTERNOON.  
* MAX TEMPERATURE.......60-65.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MIN HUMIDITY..........75-80 PERCENT.  
* 24 HR TREND.........7 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...24 PERCENT.  
* CWR...................40 PERCENT.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING. AREAS OF FOG THROUGH THE  
NIGHT.  
* MIN TEMPERATURE.......42-47.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH IN THE EVENING  
BECOMING LIGHT OVERNIGHT.  
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.  
* CHANCE OF LIGHTNING...15 PERCENT.  
* CWR...................20 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.  
AREAS OF FOG IN THE MORNING.  
* MAX TEMPERATURE.......68-73.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........50-55 PERCENT.  
* 24 HR TREND.........25 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING EAST 5  
TO 10 MPH IN THE AFTERNOON.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...7 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. PATCHY FOG. LOWS 40 TO 45. SOUTH  
WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS 75 TO 80. SOUTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 44 TO 49.  
HIGHS 76 TO 81. WEST WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS 80 TO 85.  
SOUTHEAST WINDS 5 TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 47 TO 52. HIGHS 81 TO 86.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 75 TO 80.  
 

 
 
WYZ284-201015-  
BIGHORN NATIONAL FOREST-  
308 PM MDT SAT SEP 19 2026  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS  
OVERNIGHT. PATCHY FOG THROUGH THE NIGHT. SOME THUNDERSTORMS MAY  
PRODUCE HEAVY RAINFALL IN THE EVENING.  
* MIN TEMPERATURE.......33-38.  
* 24 HR TREND.........6 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* AT BURGESS JCT.......WEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...22 PERCENT.  
* CWR...................70 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.  
SCATTERED RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY  
PRODUCE HEAVY RAINFALL IN THE AFTERNOON.  
* MAX TEMPERATURE.......47-52.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MIN HUMIDITY..........75-80 PERCENT.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......NORTHWEST WINDS 5 TO 15 MPH.  
* CHANCE OF LIGHTNING...20 PERCENT.  
* CWR...................70 PERCENT.  
   
SUNDAY NIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN  
THE EVENING. PATCHY FOG THROUGH THE NIGHT.  
* MIN TEMPERATURE.......30-35.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* AT BURGESS JCT.......WEST WINDS 5 TO 10 MPH.  
* CHANCE OF LIGHTNING...12 PERCENT.  
* CWR...................30 PERCENT.  
   
MONDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.  
ISOLATED RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......54-59.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MIN HUMIDITY..........51-56 PERCENT.  
* 24 HR TREND.........24 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE EAST IN THE AFTERNOON.  
* CHANCE OF LIGHTNING...8 PERCENT.  
* CWR...................ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. PATCHY FOG. LOWS 32 TO 37. SOUTH  
WINDS 5 TO 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS. LOWS 39 TO 44. HIGHS  
62 TO 67. SOUTHWEST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 38 TO 43.  
HIGHS 62 TO 67. SOUTHWEST WINDS 5 TO 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS 65 TO 70.  
SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 66 TO 71.    
SATURDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS. HIGHS 61 TO 66.  
 

 
 
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