001  
FNUS55 KBYZ 200804  
FWFBYZ  
 
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA  
NATIONAL WEATHER SERVICE BILLINGS MT  
204 AM MDT WED OCT 20 2021  
   
DISCUSSION
 
 
NO PRECIPITATION IS NOW EXPECTED OVER THE LOWER ELEVATIONS, AND TO  
A BIG EXTENT, THE FOOTHILLS AS WELL FOR THE NEXT WEEK. SOME LIGHT  
SNOW COULD COME TO THE MOUNTAINS THIS WEEKEND, WITH HIGHER  
CONFIDENCE OF IT OCCURRING ON SOUTH AND WEST FACING SLOPES.  
TEMPERATURES WILL CLIMB BACK INTO THE 50S AND 60S THROUGH THE  
WEEKEND, WITH NO HIGHER-END WINDS EVENTS ON THE HORIZON. VERTZ  
MTZ123-200915-  
GALLATIN NATIONAL FOREST-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......53-61 AT 5000 FEET...41-51 AT 7000 FEET.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MIN HUMIDITY..........37-47 PERCENT AT 5000 FEET...44-54 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........17 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......32-42 AT 5000 FEET...29-39 AT 7000 FEET.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MAX HUMIDITY..........75-80 PERCENT.  
* 24 HR TREND.........11 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHWEST 15 TO 30 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......55-63 AT 5000 FEET...43-53 AT 7000 FEET.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........31-41 PERCENT AT 5000 FEET...40-50 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 32 TO 42. SOUTH WINDS 5 TO  
15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 34 TO 44.  
HIGHS 60 TO 67. SOUTH WINDS 5 TO 15 MPH.    
SATURDAY
 
COLDER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND  
RAIN SHOWERS. LOWS 31 TO 41. HIGHS 49 TO 56. SOUTHWEST WINDS 5 TO  
15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SNOW LIKELY. LOWS 31 TO 41. HIGHS 47 TO  
54. SOUTH WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. RAIN AND SNOW LIKELY. LOWS 29 TO 39.  
HIGHS 52 TO 59.    
TUESDAY
 
PARTLY SUNNY. SCATTERED SNOW SHOWERS. HIGHS 44 TO 51.  
 

 
 
MTZ124-200915-  
WHEATLAND COUNTY/SWEET GRASS COUNTY-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......52-57.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........41-46 PERCENT.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......31-36.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MAX HUMIDITY..........82-87 PERCENT.  
* 24 HR TREND.........16 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.  
* MAX TEMPERATURE.......60-65.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........29-34 PERCENT.  
* 24 HR TREND.........12 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH  
IN THE AFTERNOON.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 31 TO 36. WEST WINDS 5 TO  
15 MPH.    
FRIDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 35 TO 40.  
HIGHS 63 TO 68. SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 32 TO 37.  
HIGHS 55 TO 60. WEST WINDS 10 TO 20 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 30 TO 35.  
HIGHS 52 TO 57. SOUTHWEST WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 32 TO 37.  
HIGHS 56 TO 61.    
TUESDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND SNOW SHOWERS.  
HIGHS 50 TO 55.  
 

 
 
MTZ125-200915-  
STILLWATER COUNTY-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......53-58.  
* 24 HR TREND.........16 DEGREES WARMER.  
* MIN HUMIDITY..........49-54 PERCENT.  
* 24 HR TREND.........25 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......37-42.  
* 24 HR TREND.........10 DEGREES WARMER.  
* MAX HUMIDITY..........69-74 PERCENT.  
* 24 HR TREND.........27 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.  
* MAX TEMPERATURE.......60-65.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MIN HUMIDITY..........35-40 PERCENT.  
* 24 HR TREND.........14 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 37 TO 42. SOUTHWEST WINDS  
5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. LOWS 38 TO 43. HIGHS 63 TO 68. SOUTH  
WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 34 TO 39.  
HIGHS 55 TO 60. SOUTHWEST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 34 TO 39.  
HIGHS 53 TO 58. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 35 TO 40.  
HIGHS 58 TO 63.    
TUESDAY
 
PARTLY SUNNY. SCATTERED RAIN SHOWERS AND SNOW SHOWERS.  
HIGHS 51 TO 56.  
 

 
 
MTZ126-200915-  
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......46-56 AT 5000 FEET...41-51 AT 7000 FEET.  
* 24 HR TREND.........11 DEGREES WARMER.  
* MIN HUMIDITY..........48-58 PERCENT AT 5000 FEET...51-61 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........18 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......37-43 AT 5000 FEET...32-42 AT 7000 FEET.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MAX HUMIDITY..........61-71 PERCENT AT 5000 FEET...67-77 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........17 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 15 TO 25 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.  
* MAX TEMPERATURE.......52-62 AT 5000 FEET...46-56 AT 7000 FEET.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MIN HUMIDITY..........36-46 PERCENT AT 5000 FEET...44-54 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 15 TO 25 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 37 TO 43. SOUTHWEST WINDS  
5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 40 TO 45.  
HIGHS 55 TO 65. SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 36 TO 41.  
HIGHS 50 TO 58. SOUTHWEST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 36 TO 41.  
HIGHS 48 TO 56. WEST WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. SNOW AND RAIN LIKELY. LOWS 37 TO 42.  
HIGHS 53 TO 62.    
TUESDAY
 
PARTLY SUNNY. SCATTERED SNOW SHOWERS. HIGHS 46 TO 54.  
 

 
 
MTZ127-200915-  
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......47-52.  
* 24 HR TREND.........14 DEGREES WARMER.  
* MIN HUMIDITY..........49-54 PERCENT.  
* 24 HR TREND.........31 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......39-44.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MAX HUMIDITY..........59-64 PERCENT.  
* 24 HR TREND.........26 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......59-64.  
* 24 HR TREND.........12 DEGREES WARMER.  
* MIN HUMIDITY..........30-35 PERCENT.  
* 24 HR TREND.........19 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 39 TO 44. SOUTHWEST WINDS  
5 TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 43 TO 48. HIGHS 61 TO 66. SOUTH  
WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 39 TO 44.  
HIGHS 56 TO 61. SOUTHWEST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 39 TO 44.  
HIGHS 53 TO 58. SOUTHWEST WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 41 TO 46.  
HIGHS 58 TO 63.    
TUESDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS. HIGHS 52 TO 57.  
 

 
 
MTZ128-200915-  
YELLOWSTONE COUNTY-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......53-58.  
* 24 HR TREND.........13 DEGREES WARMER.  
* MIN HUMIDITY..........44-49 PERCENT.  
* 24 HR TREND.........19 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......38-43.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MAX HUMIDITY..........71-76 PERCENT.  
* 24 HR TREND.........24 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.  
* MAX TEMPERATURE.......63-68.  
* 24 HR TREND.........10 DEGREES WARMER.  
* MIN HUMIDITY..........28-33 PERCENT.  
* 24 HR TREND.........16 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 37 TO 42. SOUTHWEST WINDS  
5 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 41 TO 46. HIGHS 66 TO 71. SOUTH  
WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 38 TO 43.  
HIGHS 60 TO 65. SOUTHWEST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 38 TO 43.  
HIGHS 58 TO 63. SOUTHWEST WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 40 TO 45.  
HIGHS 62 TO 67.    
TUESDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS. HIGHS 56 TO 61.  
 

 
 
MTZ129-200915-  
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......47-57 AT 5000 FEET...41-49 AT 7000 FEET.  
* 24 HR TREND.........16 DEGREES WARMER.  
* MIN HUMIDITY..........46-56 PERCENT AT 5000 FEET...52-61 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........37 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............SOUTH 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......37-46 AT 5000 FEET...35-41 AT 7000 FEET.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MAX HUMIDITY..........69-74 PERCENT.  
* 24 HR TREND.........24 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......53-63 AT 5000 FEET...46-54 AT 7000 FEET.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MIN HUMIDITY..........33-43 PERCENT AT 5000 FEET...40-50 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........15 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 38 TO 45. SOUTHWEST WINDS  
5 TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 40 TO 48. HIGHS 56 TO 66. SOUTHEAST  
WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 37 TO 43.  
HIGHS 51 TO 61. SOUTHWEST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 37 TO 44.  
HIGHS 48 TO 58. SOUTH WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 37 TO 44.  
HIGHS 54 TO 64.    
TUESDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS. HIGHS 47 TO 57.  
 

 
 
MTZ130-200915-  
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......50-55.  
* 24 HR TREND.........10 DEGREES WARMER.  
* MIN HUMIDITY..........42-47 PERCENT.  
* 24 HR TREND.........23 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......33-38.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MAX HUMIDITY..........89-94 PERCENT.  
* 24 HR TREND.........9 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......63-68.  
* 24 HR TREND.........13 DEGREES WARMER.  
* MIN HUMIDITY..........33-38 PERCENT.  
* 24 HR TREND.........9 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 34 TO 39. LIGHT WINDS.    
FRIDAY
 
PARTLY CLOUDY. LOWS 39 TO 44. HIGHS 65 TO 70. SOUTHEAST  
WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 38 TO 43.  
HIGHS 59 TO 64. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 36 TO 41.  
HIGHS 59 TO 64. SOUTH WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 40 TO 45.  
HIGHS 63 TO 68.    
TUESDAY
 
PARTLY SUNNY. ISOLATED RAIN SHOWERS. HIGHS 58 TO 63.  
 

 
 
MTZ131-200915-  
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT  
CUSTER NATL FOREST-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......49-54.  
* 24 HR TREND.........12 DEGREES WARMER.  
* MIN HUMIDITY..........45-50 PERCENT.  
* 24 HR TREND.........35 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............LIGHT WINDS.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......30-35.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MAX HUMIDITY..........88-93 PERCENT.  
* 24 HR TREND.........10 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......60-65.  
* 24 HR TREND.........11 DEGREES WARMER.  
* MIN HUMIDITY..........32-37 PERCENT.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 32 TO 37. SOUTHWEST WINDS  
5 TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS 64 TO 69. SOUTH  
WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. LOWS 35 TO 40. HIGHS 60 TO 65.  
NORTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 34 TO 39.  
HIGHS 57 TO 62. SOUTH WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 37 TO 42.  
HIGHS 64 TO 69.    
TUESDAY
 
PARTLY SUNNY. ISOLATED RAIN SHOWERS. HIGHS 56 TO 61.  
 

 
 
MTZ132-200915-  
CUSTER COUNTY-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.  
PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......42-47.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........48-53 PERCENT.  
* 24 HR TREND.........35 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY IN THE EVENING THEN CLEARING.  
* MIN TEMPERATURE.......29-34.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MAX HUMIDITY..........93-98 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......54-59.  
* 24 HR TREND.........12 DEGREES WARMER.  
* MIN HUMIDITY..........44-49 PERCENT.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 33 TO 38. SOUTHWEST WINDS  
5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 37 TO 42. HIGHS 58 TO 63. SOUTHEAST  
WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. LOWS 36 TO 41. HIGHS 54 TO 59.  
SOUTHEAST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 36 TO 41.  
HIGHS 54 TO 59. SOUTH WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 40 TO 45.  
HIGHS 60 TO 65.    
TUESDAY
 
PARTLY SUNNY. ISOLATED RAIN SHOWERS. HIGHS 54 TO 59.  
 

 
 
MTZ133-200915-  
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY IN THE MORNING THEN CLEARING.  
PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......43-48.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........50-55 PERCENT.  
* 24 HR TREND.........30 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTH WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY IN THE EVENING THEN CLEARING.  
* MIN TEMPERATURE.......26-31.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......55-60.  
* 24 HR TREND.........12 DEGREES WARMER.  
* MIN HUMIDITY..........48-53 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS 32 TO 37. SOUTHWEST WINDS  
5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 34 TO 39. HIGHS 59 TO 64. SOUTH  
WINDS 10 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. LOWS 35 TO 40. HIGHS 55 TO 60.  
SOUTHEAST WINDS 10 TO 20 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 36 TO 41.  
HIGHS 55 TO 60. SOUTHWEST WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 40 TO 45.  
HIGHS 62 TO 67.    
TUESDAY
 
PARTLY SUNNY. ISOLATED RAIN SHOWERS. HIGHS 56 TO 61.  
 

 
 
WYZ274-200915-  
SHERIDAN COUNTY-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY. AREAS OF FOG IN THE MORNING.  
* MAX TEMPERATURE.......53-58.  
* 24 HR TREND.........13 DEGREES WARMER.  
* MIN HUMIDITY..........46-51 PERCENT.  
* 24 HR TREND.........17 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............LIGHT WINDS.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......30-35.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MAX HUMIDITY..........83-88 PERCENT.  
* 24 HR TREND.........15 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......61-66.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........31-36 PERCENT.  
* 24 HR TREND.........15 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 32 TO 37. SOUTHWEST WINDS  
5 TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS 65 TO 70. SOUTH  
WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. LOWS 33 TO 38. HIGHS 60 TO 65.  
SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 31 TO 36.  
HIGHS 57 TO 62. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 34 TO 39.  
HIGHS 65 TO 70.    
TUESDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS. HIGHS 56 TO 61.  
 

 
 
WYZ284-200915-  
BIGHORN NATIONAL FOREST-  
204 AM MDT WED OCT 20 2021  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY IN THE MORNING THEN BECOMING PARTLY  
SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......42-47.  
* 24 HR TREND.........12 DEGREES WARMER.  
* MIN HUMIDITY..........47-52 PERCENT.  
* 24 HR TREND.........32 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY.  
* MIN TEMPERATURE.......24-29.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MAX HUMIDITY..........84-89 PERCENT.  
* 24 HR TREND.........14 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
THURSDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......43-48.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........46-51 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 24 TO 29. SOUTHWEST WINDS  
5 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS 28 TO 33. HIGHS 48 TO 53. SOUTHWEST  
WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW  
SHOWERS. LOWS 24 TO 29. HIGHS 43 TO 48. SOUTHWEST WINDS 5 TO  
15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 24 TO 29.  
HIGHS 40 TO 45. SOUTHWEST WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW SHOWERS.  
LOWS 24 TO 29. HIGHS 46 TO 51.    
TUESDAY
 
PARTLY SUNNY. SCATTERED SNOW SHOWERS. HIGHS 37 TO 42.  
 

 
 
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