773  
FNUS55 KMSO 201046  
FWFMSO  
 
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO  
NATIONAL WEATHER SERVICE MISSOULA MT  
446 AM MDT WED AUG 20 2025  
 
...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM MDT  
THIS EVENING FOR EAST BEAVERHEAD...  
   
DISCUSSION
 
 
IDAHO (ZONES 102 AND 103): A WEAK DRY COLD FRONT WILL BE PUSHING THROUGH  
THE REGION TODAY CAUSING SLIGHTLY COOLER TEMPERATURES AND WESTERLY WINDS  
GUSTING UP TO 25 MPH. A RIDGE OF HIGH PRESSURE WILL BE BUILDING OVER THE  
REGION BY THE WEEKEND CAUSING HOT AND DRY CONDITIONS.  
 
NORTHWEST MT (ZONES 104 AND 105): A WEAK DRY COLD FRONT WILL BE PUSHING  
THROUGH THE REGION TODAY CAUSING SLIGHTLY COOLER TEMPERATURES AND  
WESTERLY WINDS GUSTING UP TO 35 MPH NEAR THE CONTINENTAL DIVIDE. AN  
EASTERLY WIND IS ANTICIPATED TO DEVELOP OVER THE REGION THURSDAY NIGHT  
INTO FRIDAY. THEN A RIDGE OF HIGH PRESSURE WILL BE BUILDING OVER THE  
REGION BY THE WEEKEND CAUSING HOT AND DRY CONDITIONS.  
 
WEST CENTRAL MT (ZONES 106, 107 AND 108): A WEAK DRY COLD FRONT WILL BE PUSHING  
THROUGH THE REGION TODAY CAUSING SLIGHTLY COOLER TEMPERATURES AND  
WESTERLY WINDS GUSTING UP TO 25 MPH. AN EASTERLY WIND IS ANTICIPATED TO  
DEVELOP OVER THE REGION THURSDAY NIGHT INTO FRIDAY. THEN A RIDGE OF  
HIGH PRESSURE WILL BE BUILDING OVER THE REGION BY THE WEEKEND CAUSING  
HOT AND DRY CONDITIONS.  
 
SOUTHWEST MT (ZONES 109, 110 AND 111): A FEW VERY LIGHT SHOWERS WILL BE  
MOVING THROUGH THE AREA THIS MORNING. THE CONVECTION IS ANTICIPATED TO  
INCREASE IN INTENSITY AND COVERAGE THIS AFTERNOON CAUSING GUSTY ERRATIC  
OUTFLOWS ONCE AGAIN. SOUTHWESTERLY WINDS WILL BE INCREASING THIS  
AFTERNOON AHEAD OF AN APPROACHING DRY COLD FRONT. THE COMBINATION OF  
WIND AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS FOR  
ZONE 111. AN NORTHERLY WIND IS ANTICIPATED TO DEVELOP OVER THE REGION  
THURSDAY NIGHT INTO FRIDAY. THEN A RIDGE OF HIGH PRESSURE WILL BE  
BUILDING OVER THE REGION BY THE WEEKEND CAUSING HOT AND DRY CONDITIONS.  
 
IDZ102-103-211100-  
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-  
346 AM PDT WED AUG 20 2025  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....85-95 VALLEYS AND 70-80 RIDGES.  
* MIN HUMIDITY........20-30 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............NORTHWEST UP TO 5 MPH INCREASING TO 5-15 MPH  
IN THE AFTERNOON.  
* MIXING HEIGHT.......3 KFT AGL UNTIL 1100. 8 KFT AGL AFTER 1600.  
* TRANSPORT WINDS.....NORTHWEST 10 MPH UNTIL 1600, THEN WEST 15  
MPH.  
* CHANCE LIGHTNING....NEAR 0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....48-58.  
* MAX HUMIDITY........60-70 PERCENT VALLEYS AND 54-64 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.  
* MIXING HEIGHT.......6 KFT AGL UNTIL 2000, THEN BELOW 500 FT TO 1  
KFT AGL.  
* TRANSPORT WINDS.....NORTHWEST 15 MPH UNTIL 2300, THEN VARIABLE  
LESS THAN 10 MPH.  
* CHANCE LIGHTNING....NEAR 0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....90-100 VALLEYS AND 70-80 RIDGES.  
* MIN HUMIDITY........12-22 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN  
THE AFTERNOON.  
* RIDGE TOP............NORTHEAST UP TO 5 MPH BECOMING NORTHWEST  
5-10 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 8 KFT AGL AFTER 1300.  
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
CLEAR. LOWS 55-65. HIGHS 85-95. MIN HUMIDITIES 15-25 PERCENT.  
NORTHEAST WINDS 5-10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 90-100. MIN HUMIDITIES  
10-20 PERCENT. NORTHEAST WINDS 5-10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 60-70. HIGHS 85-95. NORTHEAST WINDS  
5-10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 60-70. HIGHS 85-95.    
TUESDAY
 
PARTLY CLOUDY. LOWS 60-70. HIGHS 85-95.  
 

 
 
MTZ104-105-211100-  
KOOTENAI-FLATHEAD/GLACIER PARK-  
446 AM MDT WED AUG 20 2025  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....80-90 VALLEYS AND 65-75 RIDGES.  
* MIN HUMIDITY........18-28 PERCENT VALLEYS AND 29-39 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......SOUTHWEST 10-20 MPH.  
* RIDGE TOP............WEST 10-20 MPH.  
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 9 KFT AGL AFTER 1400.  
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1100, THEN 20 MPH.  
* CHANCE LIGHTNING....15 PERCENT IN THE KOOTENAI...AND NEAR 0  
PERCENT IN THE FLATHEAD/GLACIER PARK.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....45-55.  
* MAX HUMIDITY........71-81 PERCENT VALLEYS AND 55-65 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......WEST 5-10 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............WEST 10-20 MPH BECOMING NORTHWEST 5-10 MPH  
AFTER MIDNIGHT.  
* MIXING HEIGHT.......7 KFT AGL UNTIL 2000, THEN BELOW 500 FT TO 1  
KFT AGL.  
* TRANSPORT WINDS.....WEST 20 MPH UNTIL 2100, THEN 10 MPH UNTIL  
0500, THEN VARIABLE LESS THAN 10 MPH.  
* CHANCE LIGHTNING....NEAR 0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....80-90 VALLEYS AND 65-75 RIDGES.  
* MIN HUMIDITY........10-20 PERCENT VALLEYS AND 18-28 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN  
THE AFTERNOON.  
* RIDGE TOP............WEST 5-10 MPH.  
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 8 KFT AGL AFTER 1400.  
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 0900, THEN  
WEST 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
MOSTLY CLEAR. LOWS 50-60. HIGHS 75-85. MIN HUMIDITIES  
15-25 PERCENT. NORTHEAST WINDS 10-15 MPH.    
SATURDAY
 
CLEAR. LOWS 50-60. HIGHS 80-90. MIN HUMIDITIES  
10-20 PERCENT. NORTHEAST WINDS 10-15 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90. NORTHEAST WINDS  
10-15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90.    
TUESDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90.  
 

 
 
MTZ106-108-211100-  
WEST LOLO-EAST LOLO-  
446 AM MDT WED AUG 20 2025  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MAX TEMPERATURE.....80-90 VALLEYS AND 73-83 RIDGES.  
* MIN HUMIDITY........13-23 PERCENT VALLEYS AND 21-31 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING 5-15 MPH IN THE AFTERNOON.  
* RIDGE TOP............WEST 5-15 MPH.  
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 10 KFT AGL AFTER 1400.  
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1400, THEN 20 MPH.  
* CHANCE LIGHTNING....NEAR 0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....45-55.  
* MAX HUMIDITY........59-69 PERCENT VALLEYS AND 52-62 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......WEST 5-15 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............NORTHWEST 10-20 MPH.  
* MIXING HEIGHT.......8 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT  
AGL AFTER 2000.  
* TRANSPORT WINDS.....WEST 20 MPH UNTIL 2100, THEN 10 MPH.  
* CHANCE LIGHTNING....NEAR 0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....80-90 VALLEYS AND 73-83 RIDGES.  
* MIN HUMIDITY........11-21 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............WEST 5-10 MPH.  
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 8 KFT AGL AFTER 1500.  
* TRANSPORT WINDS.....WEST 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90. MIN HUMIDITIES  
10-20 PERCENT. NORTHEAST WINDS 5-10 MPH.    
SATURDAY
 
CLEAR. LOWS 50-60. HIGHS 80-90. MIN HUMIDITIES  
10-20 PERCENT. EAST WINDS 10-15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 50-60. HIGHS 80-90. EAST WINDS 5-10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90.    
TUESDAY
 
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90.  
 

 
 
MTZ107-211100-  
FLATHEAD RESERVATION-  
446 AM MDT WED AUG 20 2025  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....90-95 VALLEYS AND 65-70 RIDGES.  
* MIN HUMIDITY........16-26 PERCENT VALLEYS AND 26-36 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING WEST 5-15 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............WEST 5-10 MPH INCREASING TO 10-20 MPH IN THE  
AFTERNOON.  
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 10 KFT AGL AFTER  
1400.  
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1400, THEN 20 MPH.  
* CHANCE LIGHTNING....NEAR 0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE.....50-55.  
* MAX HUMIDITY........52-62 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......WEST 5-15 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............NORTHWEST 10-20 MPH.  
* MIXING HEIGHT.......9 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT  
AGL AFTER 2100.  
* TRANSPORT WINDS.....WEST 20 MPH UNTIL 2100, THEN 10 MPH.  
* CHANCE LIGHTNING....NEAR 0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....85-90 VALLEYS AND 65-70 RIDGES.  
* MIN HUMIDITY........10-20 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN  
THE AFTERNOON.  
* RIDGE TOP............WEST 5-10 MPH.  
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 9 KFT AGL AFTER 1400.  
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
CLEAR. LOWS 50-60. HIGHS 80-90. MIN HUMIDITIES 10-20 PERCENT.  
NORTHEAST WINDS 10-15 MPH.    
SATURDAY
 
CLEAR. LOWS 50-60. HIGHS 85-95. MIN HUMIDITIES  
10-20 PERCENT. NORTHEAST WINDS 10-15 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95. NORTHEAST WINDS  
10-15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 55-65. HIGHS 85-95.    
TUESDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95.  
 

 
 
MTZ109-211100-  
BITTERROOT-  
446 AM MDT WED AUG 20 2025  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE. SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....90-95 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........21-31 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING NORTHWEST 5-15 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............NORTHWEST UP TO 5 MPH BECOMING WEST 5-15 MPH  
IN THE AFTERNOON.  
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 10 KFT AGL AFTER 1400.  
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1200, THEN  
WEST 15 MPH.  
* CHANCE LIGHTNING....20 PERCENT IN THE DARBY, SULA, AND WEST FORK  
DISTRICTS...AND 15 PERCENT IN AREAS NORTH OF HAMILTON.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.  
* MIN TEMPERATURE.....45-55.  
* MAX HUMIDITY........73-83 PERCENT VALLEYS AND 58-68 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHWEST 5-15 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............NORTHWEST 5-15 MPH.  
* MIXING HEIGHT.......8 KFT AGL UNTIL 1900. 1-2 KFT AGL AFTER 2000.  
* TRANSPORT WINDS.....NORTHWEST 15 MPH UNTIL 2400, THEN VARIABLE  
LESS THAN 10 MPH.  
* CHANCE LIGHTNING....NEAR 0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....85-90 VALLEYS AND 70-80 RIDGES.  
* MIN HUMIDITY........15-25 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN  
THE AFTERNOON.  
* RIDGE TOP............NORTH 5-10 MPH.  
* MIXING HEIGHT.......3 KFT AGL UNTIL 1000. 8 KFT AGL AFTER 1400.  
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1000, THEN  
WEST 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90. MIN HUMIDITIES  
10-20 PERCENT. NORTHEAST WINDS 5-10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90. MIN HUMIDITIES  
15-25 PERCENT. NORTHEAST WINDS 5-10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90. NORTHEAST WINDS  
5-10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90.    
TUESDAY
 
PARTLY CLOUDY. LOWS 55-65. HIGHS 75-85.  
 

 
 
MTZ111-211100-  
EAST BEAVERHEAD-  
446 AM MDT WED AUG 20 2025  
 
...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM MDT  
THIS EVENING...  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON.  
* MAX TEMPERATURE.....90-95 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........11-19 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......SOUTHWEST 5-15 MPH.  
* RIDGE TOP............SOUTHWEST 10-20 MPH.  
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000, THEN 3 KFT AGL UNTIL  
1100, THEN 6 KFT AGL UNTIL 1200, THEN 10 KFT AGL UNTIL 1300, THEN  
GREATER THAN 12 KFT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 10 MPH UNTIL 1200. 25 MPH AFTER  
1500.  
* CHANCE LIGHTNING....15 PERCENT.  
* CWR (> 0.10 INCH)...10 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
AND THUNDERSTORMS. HAZE AFTER MIDNIGHT.  
* MIN TEMPERATURE.....45-55.  
* MAX HUMIDITY........74-84 PERCENT VALLEYS AND 58-68 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHWEST 5-15 MPH.  
* RIDGE TOP............NORTHWEST 5-15 MPH.  
* MIXING HEIGHT.......11 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT  
AGL AFTER 2000.  
* TRANSPORT WINDS.....WEST 15 MPH UNTIL 2000, THEN NORTH 10 MPH.  
* CHANCE LIGHTNING....20 PERCENT.  
* CWR (> 0.10 INCH)...10 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. HAZE.  
* MAX TEMPERATURE.....85-90 VALLEYS AND 70-75 RIDGES.  
* MIN HUMIDITY........12-22 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............NORTH 5-10 MPH.  
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 11 KFT AGL AFTER 1600.  
* TRANSPORT WINDS.....NORTH 10 MPH UNTIL 1100, THEN WEST 10 MPH  
UNTIL 1500, THEN 15 MPH.  
* CHANCE LIGHTNING....NEAR 0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
MOSTLY CLEAR. LOWS 50-60. HIGHS 75-85. MIN HUMIDITIES  
10-20 PERCENT. NORTH WINDS 10-15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 45-55. HIGHS 80-90. MIN HUMIDITIES  
15-25 PERCENT. NORTHEAST WINDS 10-15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 50-60. HIGHS 75-85. NORTHEAST WINDS  
10-15 MPH.    
MONDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS. CHANCE OF  
SHOWERS 20 PERCENT. LOWS 50-60. HIGHS 75-85.    
TUESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS. CHANCE OF  
SHOWERS 20 PERCENT. LOWS 50-60. HIGHS 75-85.  
 

 
 
MTZ110-211100-  
DEERLODGE/WEST BEAVERHEAD-  
446 AM MDT WED AUG 20 2025  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. HAZE IN THE AFTERNOON. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....73-83.  
* MIN HUMIDITY........14-24 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING 5-15 MPH IN THE AFTERNOON.  
* RIDGE TOP............WEST 5-15 MPH.  
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000, THEN 3 KFT AGL UNTIL  
1100, THEN 5 KFT AGL UNTIL 1200, THEN 8 KFT AGL UNTIL 1300, THEN  
11 KFT AGL UNTIL 1400, THEN GREATER THAN 12 KFT AGL UNTIL 1700,  
THEN 12 KFT AGL.  
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1000, THEN  
WEST 10 MPH UNTIL 1300, THEN 20 MPH.  
* CHANCE LIGHTNING....15 PERCENT.  
* CWR (> 0.10 INCH)...10 PERCENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. HAZE. SLIGHT CHANCE OF RAIN.  
* MIN TEMPERATURE.....35-45 VALLEYS AND 45-50 RIDGES.  
* MAX HUMIDITY........82-92 PERCENT VALLEYS AND 64-74 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHWEST 5-15 MPH.  
* RIDGE TOP............NORTHWEST 5-15 MPH.  
* MIXING HEIGHT.......10 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT  
AGL AFTER 2000.  
* TRANSPORT WINDS.....NORTHWEST 20 MPH UNTIL 2200, THEN 10 MPH.  
* CHANCE LIGHTNING....15 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
THURSDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. HAZE.  
* MAX TEMPERATURE.....70-80.  
* MIN HUMIDITY........13-23 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............NORTHWEST 5-10 MPH.  
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 10 KFT AGL AFTER 1400.  
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1000, THEN  
WEST 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY
 
MOSTLY CLEAR. LOWS 45-55. HIGHS 75-85. MIN HUMIDITIES  
10-20 PERCENT. NORTHEAST WINDS 5-10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 45-55. HIGHS 80-90. MIN HUMIDITIES  
15-25 PERCENT. EAST WINDS 10-15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 45-55. HIGHS 75-85. NORTHEAST WINDS  
10-15 MPH.    
MONDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS. CHANCE OF  
SHOWERS 20 PERCENT. LOWS 50-60. HIGHS 75-85.    
TUESDAY
 
PARTLY CLOUDY. LOWS 50-60. HIGHS 75-85.  
 

 
 
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