434  
FNUS55 KBYZ 250949  
FWFBYZ  
 
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA  
NATIONAL WEATHER SERVICE BILLINGS MT  
349 AM MDT MON OCT 25 2021  
   
DISCUSSION
 
 
RAIN AND SNOW OVER THE SOUTHWEST MOUNTAINS WILL GRADUALLY SPREAD  
EAST OUT ONTO THE PLAINS BY THIS EVENING AND OVERNIGHT AS A  
DISTURBANCE AND ASSOCIATED COLD FRONT MOVE THROUGH. THE RAIN AND  
MOUNTAIN SNOW WILL DIMINISH ON TUESDAY WITH COOL AND BREEZY  
CONDITIONS IN PLACE. 0.10-0.30 INCHES OF LIQUID PRECIPITATION ARE  
POSSIBLE OVER THE LOWER ELEVATIONS WITH SEVERAL INCHES OF SNOW IN  
THE MOUNTAINS. UNSETTLED WEATHER LOOKS TO CONTINUE THROUGH MUCH  
OF THE REMAINDER OF THE WEEK WITH STRONG WESTERLY WINDS POSSIBLE  
OVER THE AREA ON WEDNESDAY. WINDS COULD GUSTS 40-60 MPH OVER  
WESTERN AND CENTRAL AREAS. TEMPERATURES IN THE 50S AND 60S CAN BE  
EXPECTED MOST DAYS ACROSS THE LOWER ELEVATIONS. PALMQUIST  
 
MTZ123-252230-  
GALLATIN NATIONAL FOREST-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN  
THE MORNING, THEN RAIN IN THE AFTERNOON.  
* MAX TEMPERATURE.......54-63 AT 5000 FEET...42-52 AT 7000 FEET.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MIN HUMIDITY..........52-62 PERCENT AT 5000 FEET...64-74 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........15 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 10 TO 20 MPH.  
* RIDGETOP.............SOUTH 25 TO 40 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................80 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. RAIN AND SNOW IN THE EVENING, THEN  
SNOW OVERNIGHT.  
* MIN TEMPERATURE.......31-41 AT 5000 FEET...24-34 AT 7000 FEET.  
* 24 HR TREND.........11 DEGREES COOLER.  
* MAX HUMIDITY..........92-97 PERCENT.  
* 24 HR TREND.........10 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH IN THE EVENING  
SHIFTING TO THE NORTHWEST OVERNIGHT.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................90 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS  
IN THE MORNING, THEN MOSTLY SUNNY WITH ISOLATED SNOW SHOWERS IN  
THE AFTERNOON.  
* MAX TEMPERATURE.......44-52 AT 5000 FEET...32-42 AT 7000 FEET.  
* 24 HR TREND.........7 DEGREES COOLER.  
* MIN HUMIDITY..........39-49 PERCENT AT 5000 FEET...49-59 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........17 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 15 TO 30 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................20 PERCENT.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 30 TO  
40. SOUTHWEST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 27 TO  
37. HIGHS 44 TO 52. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 40 MPH.    
THURSDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 36 TO 46.  
HIGHS 50 TO 57. SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 33 TO 43.  
HIGHS 57 TO 64. SOUTH WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW  
SHOWERS. LOWS 20 TO 30. HIGHS 45 TO 54.    
SUNDAY
 
PARTLY SUNNY. HIGHS 37 TO 47.  
 

 
 
MTZ124-252230-  
WHEATLAND COUNTY/SWEET GRASS COUNTY-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN  
THE AFTERNOON.  
* MAX TEMPERATURE.......58-63.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........44-49 PERCENT.  
* 24 HR TREND.........17 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. RAIN IN THE EVENING, THEN RAIN  
LIKELY OVERNIGHT.  
* MIN TEMPERATURE.......35-40.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MAX HUMIDITY..........88-93 PERCENT.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................60 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......49-54.  
* 24 HR TREND.........9 DEGREES COOLER.  
* MIN HUMIDITY..........35-40 PERCENT.  
* 24 HR TREND.........9 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND  
40 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 32 TO 37. WEST WINDS 15 TO  
25 MPH WITH GUSTS TO AROUND 30 MPH.    
WEDNESDAY
 
WINDY. MOSTLY CLEAR. LOWS 30 TO 35. HIGHS 48 TO 53.  
WEST WINDS 20 TO 35 MPH WITH GUSTS TO AROUND 60 MPH.    
THURSDAY
 
MOSTLY CLOUDY. LOWS 37 TO 42. HIGHS 53 TO 58. WEST  
WINDS 10 TO 20 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 32 TO 37.  
HIGHS 63 TO 68. WEST WINDS 10 TO 20 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS  
20 TO 25. HIGHS 47 TO 52.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 40 TO 45.  
 

 
 
MTZ125-252230-  
STILLWATER COUNTY-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN  
THE AFTERNOON.  
* MAX TEMPERATURE.......62-67.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........38-43 PERCENT.  
* 24 HR TREND.........10 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH IN THE MORNING  
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................10 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. RAIN LIKELY IN THE EVENING, THEN  
RAIN OVERNIGHT.  
* MIN TEMPERATURE.......38-43.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MAX HUMIDITY..........84-89 PERCENT.  
* 24 HR TREND.........11 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................60 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS  
IN THE MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON.  
* MAX TEMPERATURE.......51-56.  
* 24 HR TREND.........11 DEGREES COOLER.  
* MIN HUMIDITY..........32-37 PERCENT.  
* 24 HR TREND.........6 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 15 TO 25 MPH. GUSTS UP TO 30 MPH  
IN THE AFTERNOON.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................20 PERCENT.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 34 TO 39. SOUTHWEST WINDS  
10 TO 20 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED RAIN SHOWERS. LOWS 31 TO 36.  
HIGHS 51 TO 56. WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND  
50 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS 38 TO 43. HIGHS 54 TO 59.  
SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 36 TO 41.  
HIGHS 63 TO 68. SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
COOLER. MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW  
SHOWERS. LOWS 25 TO 30. HIGHS 51 TO 56.    
SUNDAY
 
PARTLY SUNNY. HIGHS 41 TO 46.  
 

 
 
MTZ126-252230-  
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......60-68 AT 5000 FEET...51-61 AT 7000 FEET.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MIN HUMIDITY..........33-43 PERCENT AT 5000 FEET...47-57 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........9 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO  
AROUND 35 MPH.  
* RIDGETOP.............SOUTHWEST 35 TO 55 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................10 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE  
EVENING, THEN SNOW OVERNIGHT.  
* MIN TEMPERATURE.......35-43 AT 5000 FEET...28-38 AT 7000 FEET.  
* 24 HR TREND.........6 DEGREES COOLER.  
* MAX HUMIDITY..........80-90 PERCENT AT 5000 FEET...85-95 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........17 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH.  
* RIDGETOP.............SOUTHWEST 20 TO 35 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................80 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS  
IN THE MORNING, THEN MOSTLY SUNNY WITH ISOLATED SNOW SHOWERS IN  
THE AFTERNOON.  
* MAX TEMPERATURE.......44-54 AT 5000 FEET...37-47 AT 7000 FEET.  
* 24 HR TREND.........13 DEGREES COOLER.  
* MIN HUMIDITY..........37-47 PERCENT AT 5000 FEET...45-55 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH.  
* RIDGETOP.............NORTHWEST 15 TO 25 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................40 PERCENT.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 32 TO  
37. WEST WINDS 10 TO 20 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 31 TO  
36. HIGHS 44 TO 54. WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND  
40 MPH.    
THURSDAY
 
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 37 TO 43.  
HIGHS 46 TO 56. SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SNOW SHOWERS AND ISOLATED RAIN  
SHOWERS. LOWS 38 TO 43. HIGHS 54 TO 64. SOUTHWEST WINDS 10 TO  
20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 27 TO 32.  
HIGHS 45 TO 54.    
SUNDAY
 
PARTLY SUNNY. HIGHS 35 TO 43.  
 

 
 
MTZ127-252230-  
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MAX TEMPERATURE.......61-66.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........35-40 PERCENT.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. RAIN LIKELY IN THE EVENING, THEN  
RAIN OVERNIGHT.  
* MIN TEMPERATURE.......41-46.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MAX HUMIDITY..........87-92 PERCENT.  
* 24 HR TREND.........36 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................70 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER...........CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN PARTLY SUNNY IN THE AFTERNOON.  
* MAX TEMPERATURE.......50-55.  
* 24 HR TREND.........11 DEGREES COOLER.  
* MIN HUMIDITY..........33-38 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 15 TO 25 MPH. GUSTS UP TO 30 MPH  
IN THE AFTERNOON.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................20 PERCENT.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 38 TO 43. WEST WINDS 15 TO  
25 MPH WITH GUSTS TO AROUND 30 MPH.    
WEDNESDAY
 
WINDY. MOSTLY CLEAR. LOWS 36 TO 41. HIGHS 51 TO 56.  
WEST WINDS 15 TO 30 MPH WITH GUSTS TO AROUND 50 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS 41 TO 46. HIGHS 50 TO 55. WEST  
WINDS 10 TO 20 MPH.    
FRIDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 41 TO 46.  
HIGHS 60 TO 65. SOUTHWEST WINDS 10 TO 20 MPH.    
SATURDAY
 
COOLER. MOSTLY CLOUDY. LOWS 27 TO 32. HIGHS 47 TO 52.   
SUNDAY
 
MOSTLY SUNNY. HIGHS 38 TO 43.  
 

 
 
MTZ128-252230-  
YELLOWSTONE COUNTY-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MAX TEMPERATURE.......66-71.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........31-36 PERCENT.  
* 24 HR TREND.........9 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH IN THE MORNING  
SHIFTING TO THE SOUTH IN THE AFTERNOON.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........CLOUDY. RAIN LIKELY IN THE EVENING, THEN  
RAIN OVERNIGHT.  
* MIN TEMPERATURE.......42-47.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........90-95 PERCENT.  
* 24 HR TREND.........27 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................70 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER...........CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN PARTLY SUNNY IN THE AFTERNOON.  
* MAX TEMPERATURE.......54-59.  
* 24 HR TREND.........12 DEGREES COOLER.  
* MIN HUMIDITY..........31-36 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 15 TO 25 MPH. GUSTS UP TO 30 MPH  
IN THE AFTERNOON.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................30 PERCENT.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 36 TO 41. WEST WINDS 10 TO  
20 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 35 TO 40. HIGHS 55 TO 60. WEST  
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 50 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 56 TO 61.  
SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS 41 TO 46.  
HIGHS 65 TO 70. SOUTHWEST WINDS 10 TO 20 MPH.    
SATURDAY
 
COOLER. MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW  
SHOWERS. LOWS 27 TO 32. HIGHS 52 TO 57.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 43 TO 48.  
 

 
 
MTZ129-252230-  
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MAX TEMPERATURE.......61-71 AT 5000 FEET...54-62 AT 7000 FEET.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MIN HUMIDITY..........31-41 PERCENT AT 5000 FEET...36-46 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........1 PERCENT WETTER.  
* 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..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN LIKELY OVERNIGHT.  
* MIN TEMPERATURE.......34-43 AT 5000 FEET...30-35 AT 7000 FEET.  
* 24 HR TREND.........6 DEGREES COOLER.  
* MAX HUMIDITY..........84-94 PERCENT AT 5000 FEET...93-98 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........33 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH IN THE EVENING  
SHIFTING TO THE NORTHWEST 10 TO 20 MPH OVERNIGHT.  
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................50 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING,  
THEN ISOLATED RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......43-53 AT 5000 FEET...36-43 AT 7000 FEET.  
* 24 HR TREND.........20 DEGREES COOLER.  
* MIN HUMIDITY..........42-52 PERCENT AT 5000 FEET...49-59 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........16 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 30 MPH.  
* RIDGETOP.............NORTHWEST 20 TO 35 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................70 PERCENT.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 32 TO 40. WEST WINDS 10 TO  
20 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 30 TO 38. HIGHS 44 TO 54. WEST  
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 50 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS 37 TO 46. HIGHS 46 TO 56.  
SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
WARMER. PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS  
39 TO 46. HIGHS 54 TO 64. SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
COOLER. MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW  
SHOWERS. LOWS 26 TO 32. HIGHS 45 TO 55.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 33 TO 43.  
 

 
 
MTZ130-252230-  
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........PARTLY SUNNY.  
* MAX TEMPERATURE.......65-70.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........36-41 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN LIKELY OVERNIGHT.  
* MIN TEMPERATURE.......41-46.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MAX HUMIDITY..........93-98 PERCENT.  
* 24 HR TREND.........11 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH IN THE EVENING  
SHIFTING TO THE NORTHWEST OVERNIGHT.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER...........CLOUDY. SCATTERED RAIN SHOWERS IN THE  
MORNING.  
* MAX TEMPERATURE.......54-59.  
* 24 HR TREND.........11 DEGREES COOLER.  
* MIN HUMIDITY..........38-43 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................40 PERCENT.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 37 TO 42. WEST WINDS 5 TO  
15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS 56 TO 61. WEST  
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 50 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS 38 TO 43. HIGHS 54 TO 59. WEST  
WINDS 5 TO 15 MPH.    
FRIDAY
 
WARMER. PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS  
39 TO 44. HIGHS 67 TO 72. SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
COOLER. MOSTLY CLOUDY. LOWS 26 TO 31. HIGHS 53 TO 58.   
SUNDAY
 
MOSTLY SUNNY. HIGHS 43 TO 48.  
 

 
 
MTZ131-252230-  
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT  
CUSTER NATL FOREST-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........PARTLY SUNNY.  
* MAX TEMPERATURE.......70-75.  
* 24 HR TREND.........11 DEGREES WARMER.  
* MIN HUMIDITY..........30-35 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 10 TO 20 MPH.  
* RIDGETOP.............SOUTH 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS  
OVERNIGHT.  
* MIN TEMPERATURE.......38-43.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MAX HUMIDITY..........93-98 PERCENT.  
* 24 HR TREND.........18 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH.  
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................10 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER...........CLOUDY. RAIN IN THE MORNING, THEN SCATTERED  
RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......48-53.  
* 24 HR TREND.........22 DEGREES COOLER.  
* MIN HUMIDITY..........47-52 PERCENT.  
* 24 HR TREND.........17 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 30 MPH.  
* RIDGETOP.............NORTHWEST 20 TO 35 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................70 PERCENT.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 32 TO 37. WEST WINDS 10 TO  
20 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 32 TO 37. HIGHS 54 TO 59. WEST  
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 33 TO 38. HIGHS 52 TO 57. WEST  
WINDS 5 TO 15 MPH.    
FRIDAY
 
WARMER. MOSTLY CLEAR. LOWS 34 TO 39. HIGHS 65 TO 70.  
SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
COOLER. MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW  
SHOWERS. LOWS 25 TO 30. HIGHS 52 TO 57.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 42 TO 47.  
 

 
 
MTZ132-252230-  
CUSTER COUNTY-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. PATCHY FOG IN THE MORNING.  
* MAX TEMPERATURE.......58-63.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........44-49 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 35 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......39-44.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MAX HUMIDITY..........94-99 PERCENT.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH  
IN THE EVENING.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........CLOUDY. RAIN LIKELY IN THE MORNING, THEN  
SCATTERED RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......47-52.  
* 24 HR TREND.........11 DEGREES COOLER.  
* MIN HUMIDITY..........56-61 PERCENT.  
* 24 HR TREND.........12 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................50 PERCENT.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 34 TO 39. WEST WINDS 5 TO  
15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 34 TO 39. HIGHS 51 TO 56. WEST  
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 34 TO 39. HIGHS 49 TO 54. WEST  
WINDS 5 TO 15 MPH.    
FRIDAY
 
WARMER. PARTLY CLOUDY. LOWS 37 TO 42. HIGHS 61 TO 66.  
SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. LOWS 25 TO 30. HIGHS 49 TO 54.   
SUNDAY
 
MOSTLY SUNNY. HIGHS 38 TO 43.  
 

 
 
MTZ133-252230-  
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
SUNNY. AREAS OF FOG IN THE MORNING.  
* MAX TEMPERATURE.......58-63.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........51-56 PERCENT.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 30 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......41-46.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MAX HUMIDITY..........91-96 PERCENT.  
* 24 HR TREND.........7 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
TUESDAY
 
 
* SKY/WEATHER...........CLOUDY WITH RAIN LIKELY.  
* MAX TEMPERATURE.......48-53.  
* 24 HR TREND.........10 DEGREES COOLER.  
* MIN HUMIDITY..........66-71 PERCENT.  
* 24 HR TREND.........15 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 35 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................40 PERCENT.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
COLDER. PARTLY CLOUDY. LOWS 33 TO 38. WEST WINDS  
10 TO 20 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 33 TO 38. HIGHS 54 TO 59. WEST  
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 33 TO 38. HIGHS 51 TO 56. WEST  
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
FRIDAY
 
WARMER. MOSTLY CLEAR. LOWS 36 TO 41. HIGHS 63 TO 68.  
SOUTHWEST WINDS 10 TO 20 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 26 TO 31. HIGHS 54 TO 59.    
SUNDAY
 
COOLER. MOSTLY SUNNY. HIGHS 41 TO 46.  
 

 
 
WYZ274-252230-  
SHERIDAN COUNTY-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MAX TEMPERATURE.......68-73.  
* 24 HR TREND.........10 DEGREES WARMER.  
* MIN HUMIDITY..........31-36 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH IN THE MORNING  
SHIFTING TO THE EAST IN THE AFTERNOON.  
* RIDGETOP.............SOUTHWEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING, THEN RAIN LIKELY OVERNIGHT.  
* MIN TEMPERATURE.......36-41.  
* 24 HR TREND.........3 DEGREES WARMER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........13 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 15 MPH IN THE EVENING  
SHIFTING TO THE WEST OVERNIGHT.  
* RIDGETOP.............SOUTHWEST 15 TO 30 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................20 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN IN THE MORNING, THEN  
ISOLATED RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......49-54.  
* 24 HR TREND.........19 DEGREES COOLER.  
* MIN HUMIDITY..........45-50 PERCENT.  
* 24 HR TREND.........14 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 35 MPH.  
* RIDGETOP.............NORTHWEST 20 TO 35 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................80 PERCENT.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
COLDER. MOSTLY CLEAR. LOWS 28 TO 33. SOUTHWEST  
WINDS 5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 29 TO 34. HIGHS 54 TO 59. WEST  
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 45 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 32 TO 37. HIGHS 53 TO 58. WEST  
WINDS 5 TO 15 MPH.    
FRIDAY
 
WARMER. MOSTLY CLEAR. ISOLATED RAIN SHOWERS. LOWS 33 TO  
38. HIGHS 67 TO 72. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
COOLER. MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW  
SHOWERS. LOWS 24 TO 29. HIGHS 54 TO 59.    
SUNDAY
 
COOLER. PARTLY SUNNY. HIGHS 41 TO 46.  
 

 
 
WYZ284-252230-  
BIGHORN NATIONAL FOREST-  
349 AM MDT MON OCT 25 2021  
   
TODAY
 
 
* SKY/WEATHER...........PARTLY SUNNY.  
* MAX TEMPERATURE.......52-57.  
* 24 HR TREND.........13 DEGREES WARMER.  
* MIN HUMIDITY..........41-46 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 40 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN  
THE EVENING, THEN RAIN OVERNIGHT.  
* MIN TEMPERATURE.......25-30.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........19 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO  
AROUND 30 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................70 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW IN THE MORNING, THEN  
SCATTERED SNOW SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......35-40.  
* 24 HR TREND.........17 DEGREES COOLER.  
* MIN HUMIDITY..........57-62 PERCENT.  
* 24 HR TREND.........16 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......NORTHWEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................80 PERCENT.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 19 TO 24. SOUTHWEST WINDS  
10 TO 20 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 18 TO 23.  
HIGHS 35 TO 40. WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND  
35 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS 26 TO 31. HIGHS 38 TO 43. WEST  
WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED RAIN SHOWERS AND SNOW SHOWERS.  
LOWS 27 TO 32. HIGHS 48 TO 53. SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 14 TO 19.  
HIGHS 39 TO 44.    
SUNDAY
 
COLDER. MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. HIGHS  
26 TO 31.  
 

 
 
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