805  
FNUS55 KMSO 181850  
FWFMSO  
 
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO  
NATIONAL WEATHER SERVICE MISSOULA MT  
1250 PM MDT THU JUL 18 2024  
 
   
DISCUSSION
 
 
IDAHO (ZONES 102 AND 103): HOT AND DRY CONDITIONS CONTINUE DURING THE  
DAYTIME WITH STRONG THERMAL BELTS AND POOR RH RECOVERIES AT NIGHT. ONCE  
AFTERNOON BREEZES DIMINISH THIS EVENING, WINDS WILL BE LIGHT AND  
DIURNALLY DRIVEN FRIDAY WITH A LIGHT EASTERLY GRADIENT BY SUNDAY.  
 
NORTHWEST MT (ZONES 104 AND 105): HOT AND DRY CONDITIONS CONTINUE DURING  
THE DAYTIME WITH STRONG THERMAL BELTS AND POOR RH RECOVERIES AT NIGHT.  
ONCE AFTERNOON BREEZES DIMINISH THIS EVENING, WINDS WILL BE LIGHT AND  
DIURNALLY DRIVEN FRIDAY WITH A LIGHT EASTERLY GRADIENT OVER THE WEEKEND.  
THERE IS A POTENTIAL FOR A FEW THUNDERSTORMS EACH AFTERNOON, MAINLY  
NEAR THE DIVIDE.  
 
WEST CENTRAL MT (ZONES 106, 107 AND 108): HOT AND DRY CONDITIONS CONTINUE  
DURING THE DAYTIME WITH STRONG THERMAL BELTS AND POOR RH RECOVERIES AT  
NIGHT. ONCE AFTERNOON BREEZES DIMINISH THIS EVENING, WINDS WILL BE LIGHT  
AND DIURNALLY DRIVEN FRIDAY WITH A LIGHT EASTERLY GRADIENT OVER THE  
WEEKEND.  
 
SOUTHWEST MT (ZONES 109, 110 AND 111): HOT AND DRY CONDITIONS CONTINUE  
DURING THE DAYTIME WITH STRONG THERMAL BELTS AND POOR RH RECOVERIES AT  
NIGHT. ONCE AFTERNOON BREEZES DIMINISH THIS EVENING, WINDS WILL BE LIGHT  
AND DIURNALLY DRIVEN FRIDAY WITH A LIGHT EASTERLY GRADIENT OVER THE  
WEEKEND. THERE IS A POTENTIAL FOR A FEW THUNDERSTORMS EACH AFTERNOON,  
MAINLY FOR ZONES 110 AND 111.  
 
VIEW FIRE WEATHER BRIEFING VIDEOS ON OUR YOUTUBE CHANNEL  
AT HTTPS://WWW.YOUTUBE.COM/NWSMISSOULA  
 
IDZ102-103-191900-  
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-  
1150 AM PDT THU JUL 18 2024  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....55-65.  
* MAX HUMIDITY........50-60 PERCENT VALLEYS AND 35-45 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHWEST 5-10 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............NORTH 5-15 MPH.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....95-105 VALLEYS AND 80-90 RIDGES.  
* MIN HUMIDITY........11-21 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............NORTH 5-10 MPH.  
* HAINES INDEX........5 MODERATE.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....55-65.  
* MAX HUMIDITY........50-60 PERCENT VALLEYS AND 32-42 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......DOWNSLOPE/DOWNVALLEY 1-3 MPH.  
* RIDGE TOP............NORTH 5-10 MPH.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....100-110 VALLEYS AND 85-90 RIDGES.  
* MIN HUMIDITY........9-17 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............SOUTHEAST 5-10 MPH BECOMING NORTH IN THE  
AFTERNOON.  
* HAINES INDEX........4 LOW.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SUNDAY
 
CLEAR. LOWS 65-75. HIGHS 95-105. MIN HUMIDITIES  
15-25 PERCENT. EAST WINDS 5-10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 65-75. HIGHS 95-105. MIN HUMIDITIES  
15-25 PERCENT. NORTHEAST WINDS 5-10 MPH.    
TUESDAY
 
NOT AS WARM. MOSTLY CLEAR. LOWS 60-70. HIGHS 85-95.  
NORTHWEST WINDS 5-10 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95.    
THURSDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90.  
 

 
 
MTZ104-105-191900-  
KOOTENAI-FLATHEAD/GLACIER PARK-  
1250 PM MDT THU JUL 18 2024  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....55-65.  
* MAX HUMIDITY........61-71 PERCENT VALLEYS AND 40-50 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHWEST 5-10 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............NORTHWEST 5-15 MPH.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....95-100 VALLEYS AND 75-85 RIDGES.  
* MIN HUMIDITY........12-17 PERCENT VALLEYS AND 13-23 PERCENT  
RIDGES.  
* 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.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....60-65.  
* MAX HUMIDITY........57-67 PERCENT VALLEYS AND 33-43 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......DOWNSLOPE/DOWNVALLEY 1-3 MPH.  
* RIDGE TOP............NORTHWEST 5-10 MPH BECOMING NORTHEAST AFTER  
MIDNIGHT.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....95-105 VALLEYS AND 80-90 RIDGES.  
* MIN HUMIDITY........11-20 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............EAST 5-10 MPH BECOMING WEST IN THE  
AFTERNOON.  
* HAINES INDEX........4 LOW.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SUNDAY
 
MOSTLY CLEAR. LOWS 65-75. HIGHS 90-100. MIN HUMIDITIES  
15-25 PERCENT. EAST WINDS 10-15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 65-75. HIGHS 90-100. MIN HUMIDITIES  
15-25 PERCENT. EAST WINDS 10-15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 60-70. HIGHS 85-95. SOUTHEAST WINDS  
10-15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95.    
THURSDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90.  
 

 
 
MTZ106-108-191900-  
WEST LOLO-EAST LOLO-  
1250 PM MDT THU JUL 18 2024  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....55-65.  
* MAX HUMIDITY........49-59 PERCENT VALLEYS AND 37-47 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHWEST 5-10 MPH.  
* RIDGE TOP............NORTHWEST 5-10 MPH.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....90-100 VALLEYS AND 83-93 RIDGES.  
* MIN HUMIDITY........12-19 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............NORTHWEST 5-10 MPH.  
* HAINES INDEX........5 MODERATE.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....55-65.  
* MAX HUMIDITY........50-60 PERCENT VALLEYS AND 36-46 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTH 5-10 MPH.  
* RIDGE TOP............NORTH 5-10 MPH.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....93-103 VALLEYS AND 83-93 RIDGES.  
* MIN HUMIDITY........9-17 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............SOUTHEAST 5-10 MPH BECOMING NORTH IN THE  
AFTERNOON.  
* HAINES INDEX........4 LOW.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SUNDAY
 
MOSTLY CLEAR. LOWS 60-70. HIGHS 90-100. MIN HUMIDITIES  
15-25 PERCENT. EAST WINDS 5-10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 60-70. HIGHS 90-100. MIN HUMIDITIES  
15-25 PERCENT. EAST WINDS 10-15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 60-70. HIGHS 90-100. SOUTHEAST WINDS  
5-10 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 60-70. HIGHS 90-100.    
THURSDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95.  
 

 
 
MTZ107-191900-  
FLATHEAD RESERVATION-  
1250 PM MDT THU JUL 18 2024  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....60-65.  
* MAX HUMIDITY........51-61 PERCENT VALLEYS AND 37-47 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHWEST 5-10 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............NORTHWEST 10-20 MPH DECREASING TO 5-10 MPH  
AFTER MIDNIGHT.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....95-100 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........11-19 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............NORTHWEST 5-15 MPH.  
* HAINES INDEX........4 LOW.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....60-70.  
* MAX HUMIDITY........52-62 PERCENT VALLEYS AND 33-43 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTH 5-10 MPH.  
* RIDGE TOP............NORTH 5-15 MPH BECOMING EAST AFTER MIDNIGHT.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....100-105 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........9-17 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............SOUTH 5-10 MPH BECOMING NORTHWEST IN THE  
AFTERNOON.  
* HAINES INDEX........5 MODERATE.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SUNDAY
 
MOSTLY CLEAR. LOWS 65-75. HIGHS 95-105. MIN HUMIDITIES  
15-25 PERCENT. NORTHEAST WINDS 10-15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 65-75. HIGHS 95-105. MIN HUMIDITIES  
15-25 PERCENT. NORTHEAST WINDS 10-15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 65-75. HIGHS 95-105. SOUTHEAST WINDS  
10-15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 60-70. HIGHS 90-100.    
THURSDAY
 
MOSTLY CLEAR. LOWS 60-70. HIGHS 85-95.  
 

 
 
MTZ109-191900-  
BITTERROOT-  
1250 PM MDT THU JUL 18 2024  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....50-60 VALLEYS AND 60-65 RIDGES.  
* MAX HUMIDITY........54-64 PERCENT VALLEYS AND 37-47 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHWEST 10-15 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............NORTHWEST 10-20 MPH DECREASING TO 5-10 MPH  
AFTER MIDNIGHT.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....95-100 VALLEYS AND 80-85 RIDGES.  
* MIN HUMIDITY........11-21 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............NORTH 5-10 MPH.  
* HAINES INDEX........5 MODERATE.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....50-60 VALLEYS AND 60-65 RIDGES.  
* MAX HUMIDITY........54-64 PERCENT VALLEYS AND 36-46 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTH 5-10 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............NORTH 5-10 MPH.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....95-100 VALLEYS AND 80-85 RIDGES.  
* MIN HUMIDITY........11-20 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............SOUTHEAST 5-10 MPH BECOMING NORTH IN THE  
AFTERNOON.  
* HAINES INDEX........5 MODERATE.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SUNDAY
 
MOSTLY CLEAR. LOWS 60-70. HIGHS 85-95. MIN HUMIDITIES  
15-25 PERCENT. EAST WINDS 5-10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 60-70. HIGHS 90-100. MIN HUMIDITIES  
15-25 PERCENT. EAST WINDS 10-15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 60-70. HIGHS 85-95. SOUTH WINDS  
10-15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 60-70. HIGHS 85-95.    
THURSDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90.  
 

 
 
MTZ110-111-191900-  
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-  
1250 PM MDT THU JUL 18 2024  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
AND THUNDERSTORMS.  
* MIN TEMPERATURE.....50-60.  
* MAX HUMIDITY........53-63 PERCENT VALLEYS AND 38-48 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHWEST 10-15 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
* RIDGE TOP............NORTHWEST 10-20 MPH DECREASING TO 5-10 MPH  
AFTER MIDNIGHT.  
* LAL.................2.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. HAZE. SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....85-95 VALLEYS AND 75-85 RIDGES.  
* MIN HUMIDITY........11-19 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHWEST 5-15 MPH.  
* RIDGE TOP............NORTHWEST 5-15 MPH.  
* HAINES INDEX........5 MODERATE.  
* LAL.................2.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE.....50-60.  
* MAX HUMIDITY........56-66 PERCENT VALLEYS AND 38-48 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTH 5-10 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............NORTH 5-15 MPH.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....85-95 VALLEYS AND 75-85 RIDGES.  
* MIN HUMIDITY........11-20 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............NORTHEAST 10-15 MPH.  
* HAINES INDEX........5 MODERATE.  
* LAL.................1.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SUNDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95. MIN HUMIDITIES  
15-25 PERCENT. NORTHEAST WINDS 10-15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95. MIN HUMIDITIES  
15-25 PERCENT. EAST WINDS 10-15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95. SOUTH WINDS  
10-15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 55-65. HIGHS 85-95.    
THURSDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS. LOWS 55-65. HIGHS 85-95.  
 

 
 
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