573  
FNUS55 KMSO 231007  
FWFMSO  
 
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO  
NATIONAL WEATHER SERVICE MISSOULA MT  
407 AM MDT MON JUL 23 2018  
 
   
DISCUSSION
 
 
IDAHO: WARM AND DRY WEATHER WILL CONTINUE THE NEXT SEVERAL DAYS WITH  
DAYTIME TEMPERATURES CLIMBING BACK TO SEASONABLE LEVELS. WINDS WILL BE  
RELATIVELY LIGHT AND TERRAIN DRIVEN WITH THE TYPICAL AFTERNOON BREEZES.  
THERE WILL BE A SLIGHT COOL DOWN BEGINNING WEDNESDAY WITH AN ISOLATED  
SHOWER OR THUNDERSTORM POSSIBLE ON THE IDAHO/MONTANA BORDER THURSDAY  
AND FRIDAY.  
 
MONTANA: WARM AND MOSTLY DRY WEATHER WILL CONTINUE THE NEXT SEVERAL  
DAYS WITH DAYTIME TEMPERATURES CLIMBING BACK TO SEASONABLE LEVELS. WINDS  
WILL RELATIVELY LIGHT AND TERRAIN DRIVEN WITH THE TYPICAL AFTERNOON  
BREEZES. ONE EXCEPTION WILL BE THE GLACIER PARK REGION WHERE BREEZY  
EASTERLY WINDS ARE LIKELY TUESDAY INTO WEDNESDAY ALONG WITH SOME LIGHT  
SHOWERS. THERE WILL BE AN INCREASING THREAT OF SHOWERS AND THUNDERSTORMS  
THURSDAY INTO FRIDAY ESPECIALLY ALONG THE DIVIDE. INITIALLY, ANY  
THUNDERSTORMS WILL BE RELATIVELY DRY WITH A BETTER CHANCE OF RAIN AND  
LIGHTNING LATE THURSDAY INTO FRIDAY.  
 
IDZ102-103-241015-  
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-  
307 AM PDT MON JUL 23 2018  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....85-95 VALLEYS AND 75-85 RIDGES.  
* MIN HUMIDITY........10-20 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............WEST 5-10 MPH.  
* HAINES INDEX........5 MODERATE.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....48-58.  
* MAX HUMIDITY........56-66 PERCENT VALLEYS AND 41-51 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............NORTHWEST 5-10 MPH BECOMING SOUTHWEST UP TO  
5 MPH AFTER MIDNIGHT.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....90-95 VALLEYS AND 75-85 RIDGES.  
* MIN HUMIDITY........12-22 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............WEST 5-10 MPH.  
* HAINES INDEX........4 LOW.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
WEDNESDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95. NORTH WINDS  
5-10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90. NORTH WINDS  
5-10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90. NORTH WINDS 5-10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95.    
SUNDAY
 
CLEAR. LOWS 55-65. HIGHS 90-100.  
 

 
 
MTZ104-105-241015-  
KOOTENAI-FLATHEAD/GLACIER PARK-  
407 AM MDT MON JUL 23 2018  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....80-90 VALLEYS AND 70-75 RIDGES.  
* MIN HUMIDITY........17-27 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............SOUTHWEST 5-10 MPH.  
* HAINES INDEX........3 VERY LOW.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....45-50.  
* MAX HUMIDITY........68-78 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......DOWNSLOPE/DOWNVALLEY 2-5 MPH BECOMING  
NORTHEAST 5-15 MPH AFTER MIDNIGHT.  
* RIDGE TOP............WEST 5-10 MPH BECOMING NORTHEAST 10-15 MPH  
AFTER MIDNIGHT.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....75-85 VALLEYS AND 65-75 RIDGES.  
* MIN HUMIDITY........22-32 PERCENT VALLEYS AND 31-41 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHEAST 5-15 MPH DECREASING TO  
UPSLOPE/UPVALLEY 4-8 MPH IN THE AFTERNOON.  
* RIDGE TOP............EAST 5-10 MPH BECOMING WEST IN THE  
AFTERNOON.  
* HAINES INDEX........3 VERY LOW.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
50-60. HIGHS 75-85. NORTHEAST WINDS 10-15 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 50-60. HIGHS 70-80. NORTHEAST WINDS 5-10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS 50-60. HIGHS 70-80. NORTHEAST WINDS 5-10 MPH.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 50-60. HIGHS 75-85.    
SUNDAY
 
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90.  
 

 
 
MTZ106-108-241015-  
WEST LOLO-EAST LOLO-  
407 AM MDT MON JUL 23 2018  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....85-90 VALLEYS AND 75-85 RIDGES.  
* MIN HUMIDITY........10-20 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............WEST 5-10 MPH.  
* HAINES INDEX........4 LOW.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....48-58.  
* MAX HUMIDITY........53-63 PERCENT VALLEYS AND 37-47 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTH 5-10 MPH.  
* RIDGE TOP............WEST 5-10 MPH.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....80-90 VALLEYS AND 70-80 RIDGES.  
* MIN HUMIDITY........12-22 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............SOUTH UP TO 5 MPH BECOMING WEST 5-10 MPH IN  
THE AFTERNOON.  
* HAINES INDEX........4 LOW.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
WEDNESDAY
 
NOT AS WARM. MOSTLY CLEAR. LOWS 55-65. HIGHS 75-85.  
NORTHEAST WINDS 5-10 MPH.    
THURSDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN SHOWERS. LOWS 55-65.  
HIGHS 75-85. DIURNAL TERRAIN WINDS TO 10 MPH.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 55-65. HIGHS 75-85. NORTHEAST WINDS 5-10 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 50-60. HIGHS 75-85.    
SUNDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95.  
 

 
 
MTZ107-241015-  
SALISH AND KOOTENAI RESERVATION-  
407 AM MDT MON JUL 23 2018  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....85-90 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........10-20 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............SOUTH UP TO 5 MPH BECOMING WEST 5-10 MPH IN  
THE AFTERNOON.  
* HAINES INDEX........3 VERY LOW.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....45-55.  
* MAX HUMIDITY........67-77 PERCENT VALLEYS AND 50-60 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............NORTHWEST 5-10 MPH BECOMING EAST UP TO 5 MPH  
EARLY IN THE MORNING.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....80-85 VALLEYS AND 65-70 RIDGES.  
* MIN HUMIDITY........14-24 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............SOUTH 5-10 MPH BECOMING NORTHWEST IN THE  
AFTERNOON.  
* HAINES INDEX........3 VERY LOW.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
WEDNESDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90. NORTHEAST WINDS  
10-15 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 55-65. HIGHS 75-85. NORTHEAST WINDS 5-10 MPH.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 55-65. HIGHS 75-85. NORTHEAST WINDS 5-10 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 55-65. HIGHS 80-90.    
SUNDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95.  
 

 
 
MTZ109-241015-  
BITTERROOT-  
407 AM MDT MON JUL 23 2018  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE.....85-90 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........12-17 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............WEST 5-10 MPH.  
* HAINES INDEX........5 MODERATE.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....50-55.  
* MAX HUMIDITY........44-54 PERCENT VALLEYS AND 36-46 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......DOWNSLOPE/DOWNVALLEY 1-3 MPH.  
* RIDGE TOP............NORTHWEST 5-10 MPH BECOMING SOUTHWEST UP TO  
5 MPH EARLY IN THE MORNING.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....90-95 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........13-23 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............WEST 5-10 MPH.  
* HAINES INDEX........4 LOW.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
WEDNESDAY
 
NOT AS WARM. MOSTLY CLEAR. LOWS 50-60. HIGHS 75-85. NORTH  
WINDS 5-10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 50-60. HIGHS 75-85. NORTH WINDS  
5-10 MPH.    
FRIDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 50-60. HIGHS 70-80. NORTH WINDS 5-10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 50-60. HIGHS 75-85.    
SUNDAY
 
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90.  
 

 
 
MTZ110-111-241015-  
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-  
407 AM MDT MON JUL 23 2018  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....80-90 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........12-17 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............WEST 5-10 MPH.  
* HAINES INDEX........5 MODERATE.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....45-50.  
* MAX HUMIDITY........53-63 PERCENT VALLEYS AND 47-57 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHWEST 5-10 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............WEST 5-10 MPH.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TUESDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON.  
* MAX TEMPERATURE.....80-90 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........16-26 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............WEST 5-10 MPH.  
* HAINES INDEX........5 MODERATE.  
* LAL.................1 IN THE DEERLODGE/WEST BEAVERHEAD...AND 2 IN  
THE EAST BEAVERHEAD.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
WEDNESDAY
 
PARTLY CLOUDY. LOWS 50-60. HIGHS 75-85. NORTH WINDS  
5-10 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 50-60. HIGHS 75-85. NORTH WINDS 5-10 MPH.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 50-60. HIGHS 70-80. NORTH WINDS 5-10 MPH.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 45-55. HIGHS 75-85.    
SUNDAY
 
MOSTLY CLEAR. LOWS 45-55. HIGHS 80-90.  
 

 
 
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