702  
FNUS55 KBYZ 190911  
FWFBYZ  
 
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA  
NATIONAL WEATHER SERVICE BILLINGS MT  
311 AM MDT TUE SEP 19 2017  
   
..COOL AND SHOWERY TODAY
 
 
   
DISCUSSION
 
 
EXPECT RAIN SHOWERS WITH MOUNTAIN SNOW, COOL TEMPS AND BREEZY  
WEST WINDS ACROSS THE REGION TODAY. A FEW LIGHTNING STRIKES ARE  
ALSO POSSIBLE THIS AFTERNOON THROUGH AROUND SUNSET. WEDNESDAY WILL  
BE MOSTLY DRY AND A LITTLE WARMER, WITH GUSTY SOUTHWEST WINDS  
ESPECIALLY ALONG THE WESTERN FOOTHILLS. ANOTHER WEATHER SYSTEM  
WILL BRING MORE RAIN, MOUNTAIN SNOW, AND COOL TEMPERATURES  
THURSDAY INTO THE WEEKEND. JKL  
 
MTZ123-192215-  
GALLATIN NATIONAL FOREST-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN AND SNOW  
SHOWERS IN THE MORNING...THEN SCATTERED RAIN SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......41-51 AT 5000 FEET...35-45 AT 7000 FEET.  
* 24 HR TREND.........15 DEGREES COOLER.  
* MIN HUMIDITY..........49-59 PERCENT AT 5000 FEET...62-72 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........22 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
35 MPH.  
* RIDGETOP.............WEST 15 TO 25 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................60 PERCENT.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN AND SNOW  
SHOWERS IN THE EVENING...THEN ISOLATED SNOW SHOWERS OVERNIGHT.  
* MIN TEMPERATURE.......31-40 AT 5000 FEET...24-34 AT 7000 FEET.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........72-82 PERCENT AT 5000 FEET...80-90 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........18 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 40 MPH.  
* RIDGETOP.............WEST 20 TO 35 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................20 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED SNOW SHOWERS WITH  
ISOLATED RAIN SHOWERS IN THE MORNING...THEN SCATTERED RAIN  
SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......45-55 AT 5000 FEET...39-49 AT 7000 FEET.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........44-54 PERCENT AT 5000 FEET...52-62 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WINDY. SOUTHWEST WINDS 15 TO 30 MPH WITH  
GUSTS TO AROUND 55 MPH.  
* RIDGETOP.............SOUTHWEST 35 TO 50 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................40 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW  
SHOWERS. LOWS 31 TO 39. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS  
TO AROUND 50 MPH.    
THURSDAY
 
MOSTLY CLOUDY. NUMEROUS RAIN AND SNOW SHOWERS. LOWS  
31 TO 39. HIGHS 42 TO 49. NORTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. NUMEROUS SNOW AND RAIN SHOWERS. LOWS  
28 TO 35. HIGHS 36 TO 44. NORTHEAST WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
27 TO 33. HIGHS 37 TO 44. NORTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
27 TO 32. HIGHS 40 TO 46.    
MONDAY
 
MOSTLY SUNNY. HIGHS 42 TO 50.  
 

 
 
MTZ124-192215-  
WHEATLAND COUNTY/SWEET GRASS COUNTY-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE  
MORNING...THEN ISOLATED RAIN SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......52-57.  
* 24 HR TREND.........11 DEGREES COOLER.  
* MIN HUMIDITY..........40-45 PERCENT.  
* 24 HR TREND.........11 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 15 TO 25 MPH. GUSTS UP TO 30 MPH  
IN THE AFTERNOON.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................20 PERCENT.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE.......35-40.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........71-76 PERCENT.  
* 24 HR TREND.........10 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 15 TO 25 MPH. GUSTS UP TO 30 MPH  
IN THE EVENING.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......57-62.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........39-44 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WINDY. SOUTHWEST WINDS 15 TO 30 MPH WITH  
GUSTS TO AROUND 40 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 34 TO  
39. WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.    
THURSDAY
 
MOSTLY CLOUDY. NUMEROUS RAIN AND SNOW SHOWERS. LOWS  
33 TO 38. HIGHS 49 TO 54. NORTH WINDS 5 TO 15 MPH.    
FRIDAY
 
CLOUDY. NUMEROUS RAIN AND SNOW SHOWERS. LOWS 31 TO 36.  
HIGHS 41 TO 46. NORTHEAST WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
29 TO 34. HIGHS 44 TO 49. EAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
29 TO 34. HIGHS 46 TO 51.    
MONDAY
 
MOSTLY SUNNY. HIGHS 50 TO 55.  
 

 
 
MTZ125-192215-  
STILLWATER COUNTY-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS.  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......49-54.  
* 24 HR TREND.........18 DEGREES COOLER.  
* MIN HUMIDITY..........44-49 PERCENT.  
* 24 HR TREND.........21 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30  
MPH IN THE AFTERNOON.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................50 PERCENT.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY. SCATTERED RAIN SHOWERS IN  
THE EVENING.  
* MIN TEMPERATURE.......36-41.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........64-69 PERCENT.  
* 24 HR TREND.........19 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................10 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......57-62.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........32-37 PERCENT.  
* 24 HR TREND.........12 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 40 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................10 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 37 TO  
42. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
THURSDAY
 
COOLER, CLOUDY. NUMEROUS RAIN AND SNOW SHOWERS. LOWS  
34 TO 39. HIGHS 47 TO 52. NORTHEAST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SNOW AND RAIN SHOWERS. LOWS  
30 TO 35. HIGHS 38 TO 43. NORTH WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SNOW AND RAIN SHOWERS. LOWS  
29 TO 34. HIGHS 39 TO 44. NORTH WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
28 TO 33. HIGHS 41 TO 46.    
MONDAY
 
MOSTLY SUNNY. HIGHS 45 TO 50.  
 

 
 
MTZ126-192215-  
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN AND SNOW  
SHOWERS IN THE MORNING...THEN RAIN SHOWERS, SNOW SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......48-54 AT 5000 FEET...38-48 AT 7000 FEET.  
* 24 HR TREND.........16 DEGREES COOLER.  
* MIN HUMIDITY..........40-50 PERCENT AT 5000 FEET...45-55 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........20 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH  
IN THE AFTERNOON.  
* RIDGETOP.............WEST 15 TO 25 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................70 PERCENT.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY. SCATTERED SNOW AND RAIN  
SHOWERS IN THE EVENING...THEN ISOLATED SNOW SHOWERS OVERNIGHT.  
* MIN TEMPERATURE.......34-39 AT 5000 FEET...26-35 AT 7000 FEET.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........63-73 PERCENT AT 5000 FEET...67-77 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........16 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH  
OVERNIGHT.  
* RIDGETOP.............WEST 20 TO 35 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................20 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SNOW SHOWERS IN THE  
MORNING...THEN ISOLATED RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......54-63 AT 5000 FEET...45-55 AT 7000 FEET.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........24-34 PERCENT AT 5000 FEET...36-46 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........10 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WINDY. SOUTHWEST WINDS 15 TO 30 MPH WITH  
GUSTS TO AROUND 45 MPH.  
* RIDGETOP.............SOUTHWEST 30 TO 45 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................20 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW  
SHOWERS. LOWS 38 TO 43. WEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 45 MPH.    
THURSDAY
 
CLOUDY. SNOW SHOWERS. LOWS 32 TO 42. HIGHS 44 TO 51.  
NORTH WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 29 TO 36.  
HIGHS 37 TO 42. NORTH WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 29 TO 34.  
HIGHS 37 TO 42. NORTH WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 28 TO 34.  
HIGHS 37 TO 43.    
MONDAY
 
MOSTLY SUNNY. ISOLATED RAIN AND SNOW SHOWERS. HIGHS  
39 TO 48.  
 

 
 
MTZ127-192215-  
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY IN THE MORNING...THEN BECOMING  
PARTLY SUNNY. SCATTERED RAIN SHOWERS. ISOLATED THUNDERSTORMS IN  
THE AFTERNOON.  
* MAX TEMPERATURE.......51-56.  
* 24 HR TREND.........17 DEGREES COOLER.  
* MIN HUMIDITY..........39-44 PERCENT.  
* 24 HR TREND.........18 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................40 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE.......38-43.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........68-73 PERCENT.  
* 24 HR TREND.........15 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......59-64.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........26-31 PERCENT.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WINDY. SOUTHWEST WINDS 15 TO 30 MPH WITH  
GUSTS TO AROUND 45 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 40 TO  
45. WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.    
THURSDAY
 
COOLER. MOSTLY CLOUDY. NUMEROUS RAIN AND SNOW  
SHOWERS. LOWS 36 TO 42. HIGHS 49 TO 54. NORTH WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
32 TO 37. HIGHS 40 TO 45. NORTH WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
32 TO 37. HIGHS 41 TO 46. NORTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
33 TO 38. HIGHS 44 TO 49.    
MONDAY
 
MOSTLY SUNNY. HIGHS 49 TO 54.  
 

 
 
MTZ128-192215-  
YELLOWSTONE COUNTY-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS IN THE  
MORNING...THEN SCATTERED RAIN SHOWERS WITH ISOLATED THUNDERSTORMS  
IN THE AFTERNOON.  
* MAX TEMPERATURE.......55-60.  
* 24 HR TREND.........17 DEGREES COOLER.  
* MIN HUMIDITY..........40-45 PERCENT.  
* 24 HR TREND.........13 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................50 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE.......39-44.  
* 24 HR TREND.........7 DEGREES COOLER.  
* MAX HUMIDITY..........65-70 PERCENT.  
* 24 HR TREND.........9 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......63-68.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........27-32 PERCENT.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 15 TO 25 MPH. GUSTS UP TO 30  
MPH IN THE MORNING...INCREASING TO 40 MPH IN THE AFTERNOON.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 42 TO  
47. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
THURSDAY
 
COOLER, CLOUDY. NUMEROUS SHOWERS. LOWS 39 TO 44.  
HIGHS 53 TO 58. NORTH WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 36 TO 41. HIGHS  
44 TO 49. NORTH WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
34 TO 39. HIGHS 45 TO 50. NORTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 34 TO 39. HIGHS  
46 TO 51.    
MONDAY
 
MOSTLY SUNNY. HIGHS 51 TO 56.  
 

 
 
MTZ129-192215-  
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN SHOWERS IN THE  
MORNING...THEN NUMEROUS RAIN SHOWERS WITH ISOLATED THUNDERSTORMS  
IN THE AFTERNOON.  
* MAX TEMPERATURE.......45-55 AT 5000 FEET...42-48 AT 7000 FEET.  
* 24 HR TREND.........21 DEGREES COOLER.  
* MIN HUMIDITY..........47-57 PERCENT AT 5000 FEET...46-53 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........37 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH.  
* RIDGETOP.............WEST 15 TO 25 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................70 PERCENT.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY. SCATTERED RAIN SHOWERS IN  
THE EVENING.  
* MIN TEMPERATURE.......33-39 AT 5000 FEET...30-35 AT 7000 FEET.  
* 24 HR TREND.........7 DEGREES COOLER.  
* MAX HUMIDITY..........79-84 PERCENT.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH.  
* RIDGETOP.............WEST 20 TO 35 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................10 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......53-63 AT 5000 FEET...51-56 AT 7000 FEET.  
* 24 HR TREND.........11 DEGREES WARMER.  
* MIN HUMIDITY..........24-34 PERCENT AT 5000 FEET...28-36 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........35 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30  
MPH IN THE AFTERNOON.  
* RIDGETOP.............WEST 15 TO 30 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 38 TO  
43. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
THURSDAY
 
COOLER. MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED  
SNOW SHOWERS. LOWS 31 TO 41. HIGHS 42 TO 52. NORTHWEST WINDS 5 TO  
15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
27 TO 37. HIGHS 34 TO 44. NORTH WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
26 TO 36. HIGHS 35 TO 45. NORTHEAST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS WITH ISOLATED SNOW  
SHOWERS. LOWS 26 TO 36. HIGHS 36 TO 46.    
MONDAY
 
PARTLY SUNNY. ISOLATED RAIN AND SNOW SHOWERS. HIGHS  
39 TO 49.  
 

 
 
MTZ130-192215-  
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN  
SHOWERS...MAINLY IN THE MORNING.  
* MAX TEMPERATURE.......57-62.  
* 24 HR TREND.........18 DEGREES COOLER.  
* MIN HUMIDITY..........40-45 PERCENT.  
* 24 HR TREND.........23 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................30 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE.......38-43.  
* 24 HR TREND.........9 DEGREES COOLER.  
* MAX HUMIDITY..........76-81 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......65-70.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........22-27 PERCENT.  
* 24 HR TREND.........18 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30  
MPH IN THE AFTERNOON.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. LOWS 41 TO 46. SOUTHWEST WINDS  
5 TO 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. NUMEROUS SHOWERS. LOWS 39 TO 44. HIGHS  
56 TO 61. NORTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 36 TO 41. HIGHS  
50 TO 55. NORTH WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
34 TO 39. HIGHS 49 TO 54. NORTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 33 TO 38. HIGHS  
50 TO 55.    
MONDAY
 
PARTLY SUNNY. HIGHS 53 TO 58.  
 

 
 
MTZ131-192215-  
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT  
CUSTER NATL FOREST-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS IN THE  
MORNING...THEN SCATTERED RAIN SHOWERS WITH ISOLATED THUNDERSTORMS  
IN THE AFTERNOON.  
* MAX TEMPERATURE.......54-59.  
* 24 HR TREND.........22 DEGREES COOLER.  
* MIN HUMIDITY..........55-60 PERCENT.  
* 24 HR TREND.........40 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................50 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN  
THE EVENING.  
* MIN TEMPERATURE.......33-38.  
* 24 HR TREND.........14 DEGREES COOLER.  
* MAX HUMIDITY..........86-91 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 15 TO 30 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................20 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......65-70.  
* 24 HR TREND.........11 DEGREES WARMER.  
* MIN HUMIDITY..........18-23 PERCENT.  
* 24 HR TREND.........37 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 10 TO 20 MPH.  
* RIDGETOP.............WEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. LOWS 41 TO 46. SOUTHWEST WINDS  
5 TO 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 37 TO 43.  
HIGHS 56 TO 61. NORTH WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
34 TO 39. HIGHS 48 TO 53. NORTH WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
33 TO 38. HIGHS 46 TO 51. NORTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
32 TO 37. HIGHS 45 TO 50.    
MONDAY
 
PARTLY SUNNY. HIGHS 48 TO 53.  
 

 
 
MTZ132-192215-  
CUSTER COUNTY-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS.  
* MAX TEMPERATURE.......54-59.  
* 24 HR TREND.........19 DEGREES COOLER.  
* MIN HUMIDITY..........51-56 PERCENT.  
* 24 HR TREND.........32 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................30 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE.......40-45.  
* 24 HR TREND.........11 DEGREES COOLER.  
* MAX HUMIDITY..........81-86 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......64-69.  
* 24 HR TREND.........10 DEGREES WARMER.  
* MIN HUMIDITY..........20-25 PERCENT.  
* 24 HR TREND.........31 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 15 TO 25 MPH. GUSTS UP TO 35  
MPH IN THE AFTERNOON.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. LOWS 44 TO 49. SOUTHWEST WINDS  
10 TO 20 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 42 TO 47.  
HIGHS 57 TO 62. NORTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 38 TO 43. HIGHS  
49 TO 54. NORTH WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 36 TO 41.  
HIGHS 48 TO 53. NORTH WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 35 TO 40. HIGHS  
47 TO 52.    
MONDAY
 
PARTLY SUNNY. HIGHS 53 TO 58.  
 

 
 
MTZ133-192215-  
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY. NUMEROUS RAIN SHOWERS...MAINLY IN  
THE AFTERNOON.  
* MAX TEMPERATURE.......60-65.  
* 24 HR TREND.........15 DEGREES COOLER.  
* MIN HUMIDITY..........47-52 PERCENT.  
* 24 HR TREND.........28 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................20 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY. SCATTERED RAIN SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE.......37-42.  
* 24 HR TREND.........14 DEGREES COOLER.  
* MAX HUMIDITY..........91-96 PERCENT.  
* 24 HR TREND.........27 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................20 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......66-71.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........19-24 PERCENT.  
* 24 HR TREND.........28 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. LOWS 44 TO 49. SOUTHWEST WINDS  
5 TO 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 42 TO 47. HIGHS  
64 TO 69. NORTH WINDS 5 TO 15 MPH.    
FRIDAY
 
COOLER. MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 39 TO  
44. HIGHS 54 TO 59. NORTH WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 38 TO 43.  
HIGHS 49 TO 54. NORTH WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 37 TO 42. HIGHS  
47 TO 52.    
MONDAY
 
PARTLY SUNNY. HIGHS 51 TO 56.  
 

 
 
WYZ274-192215-  
SHERIDAN COUNTY-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS.  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......53-58.  
* 24 HR TREND.........21 DEGREES COOLER.  
* MIN HUMIDITY..........53-58 PERCENT.  
* 24 HR TREND.........32 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................60 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY. SCATTERED RAIN SHOWERS IN  
THE EVENING.  
* MIN TEMPERATURE.......32-37.  
* 24 HR TREND.........14 DEGREES COOLER.  
* MAX HUMIDITY..........78-83 PERCENT.  
* 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...................20 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......65-70.  
* 24 HR TREND.........12 DEGREES WARMER.  
* MIN HUMIDITY..........20-25 PERCENT.  
* 24 HR TREND.........33 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH  
IN THE AFTERNOON.  
* RIDGETOP.............WEST 15 TO 25 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 39 TO  
44. SOUTHWEST WINDS 5 TO 15 MPH.    
THURSDAY
 
COOLER. MOSTLY CLOUDY. SCATTERED RAIN AND SNOW  
SHOWERS. LOWS 35 TO 41. HIGHS 54 TO 59. NORTHWEST WINDS 5 TO  
10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
32 TO 37. HIGHS 46 TO 51. NORTH WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
31 TO 36. HIGHS 45 TO 50. NORTH WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
29 TO 34. HIGHS 43 TO 48.    
MONDAY
 
PARTLY SUNNY. ISOLATED RAIN AND SNOW SHOWERS. HIGHS  
47 TO 52.  
 

 
 
WYZ284-192215-  
BIGHORN NATIONAL FOREST-  
311 AM MDT TUE SEP 19 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY WITH RAIN SHOWERS. SNOW SHOWERS IN  
THE MORNING...THEN ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......40-45.  
* 24 HR TREND.........16 DEGREES COOLER.  
* MIN HUMIDITY..........53-58 PERCENT.  
* 24 HR TREND.........31 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......WEST WINDS 10 TO 20 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................90 PERCENT.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........PARTLY CLOUDY. NUMEROUS SNOW AND RAIN  
SHOWERS IN THE EVENING...THEN ISOLATED SNOW SHOWERS OVERNIGHT.  
* MIN TEMPERATURE.......25-30.  
* 24 HR TREND.........9 DEGREES COOLER.  
* MAX HUMIDITY..........79-84 PERCENT.  
* 24 HR TREND.........12 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................30 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......47-52.  
* 24 HR TREND.........7 DEGREES WARMER.  
* MIN HUMIDITY..........31-36 PERCENT.  
* 24 HR TREND.........22 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 15 TO 25 MPH. GUSTS UP TO 30  
MPH IN THE MORNING...INCREASING TO 40 MPH IN THE AFTERNOON.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 31 TO  
36. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
THURSDAY
 
CLOUDY. SNOW SHOWERS WITH NUMEROUS SHOWERS. LOWS  
28 TO 33. HIGHS 40 TO 45. NORTH WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS AND SCATTERED  
SHOWERS. LOWS 24 TO 29. HIGHS 35 TO 40. NORTHEAST WINDS 5 TO  
10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 23 TO 28.  
HIGHS 33 TO 38. NORTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 23 TO 28.  
HIGHS 32 TO 37.    
MONDAY
 
PARTLY SUNNY. ISOLATED RAIN AND SNOW SHOWERS. HIGHS  
34 TO 39.  
 

 
 
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