866  
FNUS55 KMSO 300951  
FWFMSO  
 
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO  
NATIONAL WEATHER SERVICE MISSOULA MT  
351 AM MDT THU JUL 30 2026  
 
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY  
EVENING FOR PORTIONS OF PALOUSE/HELLS CANYON...CLEARWATER/NEZ PERCE...  
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH  
SATURDAY EVENING FOR PORTIONS OF KOOTENAI...FLATHEAD/GLACIER  
PARK...WEST LOLO...FLATHEAD RESERVATION...EAST LOLO...BITTERROOT...  
...HIGH WIND WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY  
MORNING FOR PORTIONS OF FLATHEAD/GLACIER PARK...  
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY  
EVENING FOR PORTIONS OF DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD...  
   
DISCUSSION  
 
IDAHO (ZONES 102 AND 103): HOT, DRY, AND BREEZY CONDITIONS CONTINUE  
THROUGH FRIDAY UNDER A RIDGE OF HIGH PRESSURE. A FIRE WEATHER WATCH IS  
IN EFFECT FOR SATURDAY AFTERNOON THROUGH THE EVENING. A STRONG DRY COLD  
FRONT WILL BRING WIDESPREAD WESTERLY WINDS GUSTING 25 TO 40 MPH WITH  
MINIMUM RELATIVE HUMIDITIES IN THE MID TO LOW TEENS. COOLER TEMPERATURES  
AND MODERATE RH RECOVERY ARRIVE ON SUNDAY BEHIND THE FRONT, THOUGH  
WINDS REMAIN BREEZY.  
 
NORTHWEST MT (ZONES 104 AND 105): HOT AND DRY CONDITIONS CONTINUE  
THROUGH FRIDAY. A FIRE WEATHER WATCH IS IN EFFECT FOR SATURDAY  
AFTERNOON THROUGH THE EVENING. WESTERLY WIND GUSTS OF 25 TO 45 MPH WITH  
ISOLATED GUSTS TO 50 MPH IN THE HIGHER ELEVATIONS ALONG THE CONTINENTAL  
DIVIDE COMBINED WITH RELATIVE HUMIDITIES IN THE TEENS AND LOW 20% RANGE  
WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. THE DRY COLD FRONT  
SATURDAY NIGHT BRINGS COOLER TEMPERATURES AND IMPROVED RH FOR SUNDAY  
THOUGH BREEZY STRONG WINDS WILL PERSIST ESPECIALLY IN HIGHER TERRAIN.  
 
WEST CENTRAL MT (ZONES 106, 107 AND 108): HOT AND DRY CONDITIONS  
PERSIST. A THREAT FOR DRY THUNDERSTORMS DEVELOPS THIS AFTERNOON AND  
EVENING, EXPANDING INTO THE SAPPHIRE MTNS (ZONE 108), BRINGING A RISK OF  
LIGHTNING AND STRONG, GUSTY, ERRATIC OUTFLOW WINDS. A FIRE WEATHER  
WATCH IS IN EFFECT FOR SATURDAY AFTERNOON THROUGH THE EVENING DUE TO  
WIDESPREAD WESTERLY WIND GUSTS OF 25 TO 45 MPH AND MINIMUM RH IN THE  
TEENS AHEAD OF THE DRY COLD FRONT. COOLER TEMPERATURES AND IMPROVED RH  
TO FOLLOW THOUGH WINDS REMAIN GUSTY THROUGH SUNDAY.  
 
SOUTHWEST MT (ZONES 109, 110 AND 111): ISOLATED DRY THUNDERSTORMS ARE  
POSSIBLE GENERALLY SOUTH AND EAST OF STEVENSVILLE. MAIN HAZARDS WILL BE  
DRY LIGHTNING AND STRONG ERRATIC OUTFLOW GUSTS. A FIRE WEATHER WATCH  
IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING. EXTREMELY  
HOT AND DRY CONDITIONS (MINIMUM RH IN THE SINGLE DIGITS AND TEENS)  
COMBINED WITH WIDESPREAD STRONG WESTERLY WIND GUSTS UP TO 45 MPH WILL  
CREATE CRITICAL FIRE WEATHER CONDITIONS. CRITICAL HEAT, LOW RH, AND  
STRONG WINDS WILL PERSIST THROUGH SUNDAY EVENING BEFORE COOLER AIR  
ARRIVES AND POST- FRONTAL WINDS SUBSIDE. AN EXCEPTION WILL BE ON  
SATURDAY NIGHT, RH RECOVERS INTO THE 30-40% RANGE ABOVE VALLEY FLOORS  
AND WINDS DECREASE SLIGHTLY, REMAINING GUSTY AT ELEVATION THOUGH.  
 
VIEW WEATHER BRIEFING VIDEOS ON OUR YOUTUBE CHANNEL  
AT HTTPS://WWW.YOUTUBE.COM/NWSMISSOULA  
 
IDZ102-103-311000-  
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-  
251 AM PDT THU JUL 30 2026  
 
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY  
EVENING...  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. HAZE AND PATCHY SMOKE.  
* MAX TEMPERATURE.....90-100 VALLEYS AND 75-85 RIDGES.  
* MIN HUMIDITY........17-27 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............SOUTHWEST UP TO 5 MPH BECOMING WEST 5-15 MPH  
IN THE AFTERNOON.  
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100. 7 KFT AGL AFTER 1500.  
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1300, THEN  
WEST 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT OVER THE PALOUSE/HELLS CANYON...AND  
NEAR 0 PERCENT TOWARD THE CLEARWATER/NEZ PERCE.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. HAZE IN THE EVENING. PATCHY  
SMOKE.  
* MIN TEMPERATURE.....55-65 VALLEYS AND 48-58 RIDGES.  
* MAX HUMIDITY........60-70 PERCENT VALLEYS AND 46-56 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......WEST 10-15 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............NORTH 5-15 MPH.  
* MIXING HEIGHT.......4 KFT AGL UNTIL 2000, THEN BELOW 500 FT TO 1  
KFT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 MPH UNTIL 0500, THEN VARIABLE  
LESS THAN 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE.....93-103 VALLEYS AND 80-90 RIDGES.  
* MIN HUMIDITY........11-21 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING 10-15 MPH IN THE AFTERNOON.  
* RIDGE TOP............SOUTHEAST UP TO 5 MPH BECOMING NORTHWEST  
5-10 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100. 9 KFT AGL AFTER 1500.  
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1100, THEN  
WEST 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY  
CLEAR. PATCHY SMOKE. LOWS 60-70. HIGHS 85-95. MIN  
HUMIDITIES 10-20 PERCENT. NORTHWEST WINDS 10-15 MPH.    
SUNDAY  
NOT AS WARM. MOSTLY CLEAR. LOWS 50-60. HIGHS 70-80. MIN  
HUMIDITIES 15-25 PERCENT. WEST WINDS 15-25 MPH.    
MONDAY  
CLEAR. LOWS 45-55. HIGHS 75-85. NORTHWEST WINDS 10-15 MPH.    
TUESDAY  
CLEAR. LOWS 50-60. HIGHS 80-90.    
WEDNESDAY  
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95.  
 
 
 
MTZ104-311000-  
KOOTENAI-  
351 AM MDT THU JUL 30 2026  
 
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH  
SATURDAY EVENING...  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE.....90-95 VALLEYS AND 68-78 RIDGES.  
* MIN HUMIDITY........12-17 PERCENT VALLEYS AND 22-32 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN  
THE AFTERNOON.  
* RIDGE TOP............SOUTHWEST 5-15 MPH.  
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. 9 KFT  
AGL AFTER 1400.  
* TRANSPORT WINDS.....SOUTHWEST 10 MPH UNTIL 1300, THEN 15 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
* MIN TEMPERATURE.....50-60.  
* MAX HUMIDITY........69-79 PERCENT VALLEYS AND 49-59 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......WEST 5-10 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............SOUTHWEST 5-15 MPH.  
* MIXING HEIGHT.......8 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT  
AGL AFTER 2100.  
* TRANSPORT WINDS.....WEST 15 MPH UNTIL 2400, THEN VARIABLE LESS  
THAN 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE IN THE MORNING.  
* MAX TEMPERATURE.....95-100 VALLEYS AND 70-80 RIDGES.  
* MIN HUMIDITY........8-13 PERCENT VALLEYS AND 18-28 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............SOUTHWEST 5-10 MPH.  
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. 8 KFT  
AGL AFTER 1400.  
* TRANSPORT WINDS.....SOUTHWEST 10 MPH UNTIL 1600, THEN 15 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY  
MOSTLY CLEAR. PATCHY SMOKE. LOWS 60-70. HIGHS 85-95. MIN  
HUMIDITIES 10-20 PERCENT. SOUTHWEST WINDS 10-20 MPH.    
SUNDAY  
NOT AS WARM. MOSTLY CLEAR. LOWS 50-60. HIGHS 70-80. MIN  
HUMIDITIES 15-25 PERCENT. SOUTHWEST WINDS 20-30 MPH.    
MONDAY  
MOSTLY CLEAR. LOWS 45-55. HIGHS 75-85. WEST WINDS 10-20 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90.    
WEDNESDAY  
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90.  
 
 
 
MTZ105-311000-  
FLATHEAD/GLACIER PARK-  
351 AM MDT THU JUL 30 2026  
 
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH  
SATURDAY EVENING...  
...HIGH WIND WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY  
MORNING...  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE.  
* MAX TEMPERATURE.....85-95 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........10-20 PERCENT VALLEYS AND 17-27 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......SOUTHWEST 5-15 MPH.  
* RIDGE TOP............SOUTHWEST 5-15 MPH.  
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. 9 KFT  
AGL AFTER 1400.  
* TRANSPORT WINDS.....SOUTHWEST 10 MPH UNTIL 1300, THEN 15 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE.  
* MIN TEMPERATURE.....45-50 VALLEYS AND 50-60 RIDGES.  
* MAX HUMIDITY........71-81 PERCENT VALLEYS AND 38-48 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......WEST 5-10 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
* RIDGE TOP............WEST 5-15 MPH.  
* MIXING HEIGHT.......8 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT  
AGL AFTER 2000.  
* TRANSPORT WINDS.....WEST 15 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE.....90-95 VALLEYS AND 75-85 RIDGES.  
* MIN HUMIDITY........12-22 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......SOUTHWEST 5-15 MPH.  
* RIDGE TOP............SOUTHWEST 5-15 MPH.  
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 7 KFT AGL AFTER 1400.  
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1200, THEN 15 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY  
MOSTLY CLEAR. PATCHY SMOKE. LOWS 55-65. HIGHS 80-90. MIN  
HUMIDITIES 10-20 PERCENT. SOUTH WINDS 10-20 MPH.    
SUNDAY  
COOLER. MOSTLY CLEAR. LOWS 50-60. HIGHS 65-75. MIN HUMIDITIES  
15-25 PERCENT. SOUTHWEST WINDS 25-35 MPH.    
MONDAY  
MOSTLY CLEAR. LOWS 45-55. HIGHS 65-75. NORTHWEST WINDS  
15-25 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS 45-55. HIGHS 70-80.    
WEDNESDAY  
MOSTLY CLEAR. LOWS 50-60. HIGHS 75-85.  
 
 
 
MTZ106-108-311000-  
WEST LOLO-EAST LOLO-  
351 AM MDT THU JUL 30 2026  
 
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH  
SATURDAY EVENING...  
   
TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE IN THE MORNING,  
THEN PATCHY SMOKE IN THE AFTERNOON.  
* MAX TEMPERATURE.....85-95 VALLEYS AND 78-88 RIDGES.  
* MIN HUMIDITY........15-25 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN  
THE AFTERNOON.  
* RIDGE TOP............SOUTHWEST 5-15 MPH.  
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. 10 KFT  
AGL AFTER 1600.  
* TRANSPORT WINDS.....SOUTHWEST 10 MPH UNTIL 1500, THEN WEST 15  
MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
AND THUNDERSTORMS IN THE EVENING. PATCHY SMOKE.  
* MIN TEMPERATURE.....50-60.  
* MAX HUMIDITY........63-73 PERCENT VALLEYS AND 48-58 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......WEST 10-15 MPH.  
* RIDGE TOP............WEST 10-15 MPH.  
* MIXING HEIGHT.......9 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT  
AGL AFTER 2100.  
* TRANSPORT WINDS.....WEST 15 MPH UNTIL 2200, THEN VARIABLE LESS  
THAN 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT OVER THE WEST LOLO...AND 25 PERCENT  
TOWARD THE EAST LOLO.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE.....83-93.  
* MIN HUMIDITY........10-15 PERCENT VALLEYS AND 11-21 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............WEST 5-10 MPH.  
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. 10 KFT  
AGL AFTER 1600.  
* TRANSPORT WINDS.....WEST 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY  
MOSTLY CLEAR. PATCHY SMOKE. LOWS 60-70. HIGHS 90-100. MIN  
HUMIDITIES 15-25 PERCENT. SOUTHWEST WINDS 10-15 MPH.    
SUNDAY  
NOT AS WARM. MOSTLY CLEAR. LOWS 55-65. HIGHS 70-80. MIN  
HUMIDITIES 10-20 PERCENT. WEST WINDS 15-25 MPH.    
MONDAY  
CLEAR. LOWS 45-55. HIGHS 70-80. WEST WINDS 10-20 MPH.    
TUESDAY  
CLEAR. LOWS 50-60. HIGHS 75-85.    
WEDNESDAY  
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90.  
 
 
 
MTZ107-311000-  
FLATHEAD RESERVATION-  
351 AM MDT THU JUL 30 2026  
 
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH  
SATURDAY EVENING...  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE.  
* MAX TEMPERATURE.....95-100 VALLEYS AND 70-75 RIDGES.  
* MIN HUMIDITY........11-21 PERCENT VALLEYS AND 21-31 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN  
THE AFTERNOON.  
* RIDGE TOP............WEST 5-15 MPH.  
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. 10 KFT  
AGL AFTER 1700.  
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1000, THEN  
SOUTHWEST 10 MPH UNTIL 1700, THEN 15 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE.  
* MIN TEMPERATURE.....55-60.  
* MAX HUMIDITY........63-73 PERCENT VALLEYS AND 45-55 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......WEST 10-15 MPH.  
* RIDGE TOP............WEST 10-15 MPH.  
* MIXING HEIGHT.......9 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT  
AGL AFTER 2100.  
* TRANSPORT WINDS.....WEST 15 MPH UNTIL 2400, THEN VARIABLE LESS  
THAN 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE.....95-100 VALLEYS AND 70-75 RIDGES.  
* MIN HUMIDITY........11-18 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN  
THE AFTERNOON.  
* RIDGE TOP............WEST 5-15 MPH.  
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. 9 KFT  
AGL AFTER 1700.  
* TRANSPORT WINDS.....WEST 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY  
MOSTLY CLEAR. PATCHY SMOKE. LOWS 60-70. HIGHS 90-100. MIN  
HUMIDITIES 10-20 PERCENT. SOUTH WINDS 10-20 MPH.    
SUNDAY  
NOT AS WARM. MOSTLY CLEAR. LOWS 55-65. HIGHS 75-85. MIN  
HUMIDITIES 10-20 PERCENT. WEST WINDS 15-25 MPH.    
MONDAY  
CLEAR. LOWS 50-60. HIGHS 75-85. NORTHWEST WINDS 15-25 MPH.    
TUESDAY  
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90.    
WEDNESDAY  
MOSTLY CLEAR. LOWS 55-65. HIGHS 85-95.  
 
 
 
MTZ109-311000-  
BITTERROOT-  
351 AM MDT THU JUL 30 2026  
 
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH  
SATURDAY EVENING...  
   
TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE. SLIGHT CHANCE OF  
RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....95-100 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........9-19 PERCENT VALLEYS AND 15-25 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING NORTH 10-15 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............SOUTH UP TO 5 MPH BECOMING WEST 5-15 MPH IN  
THE AFTERNOON.  
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000, THEN 4  
KFT AGL UNTIL 1200, THEN 6 KFT AGL UNTIL 1300, THEN 10 KFT AGL  
UNTIL 1400, THEN GREATER THAN 12 KFT AGL UNTIL 1700, THEN 9 KFT  
AGL.  
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1100, THEN  
SOUTHWEST 10 MPH UNTIL 1500, THEN 15 MPH.  
* CHANCE LIGHTNING....25 PERCENT OVER THE DARBY, SULA, AND WEST  
FORK DISTRICTS...AND 15 PERCENT TOWARD AREAS NORTH OF HAMILTON.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
AND THUNDERSTORMS IN THE EVENING. PATCHY SMOKE.  
* MIN TEMPERATURE.....55-60.  
* MAX HUMIDITY........70-80 PERCENT VALLEYS AND 53-63 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......NORTHEAST 5-10 MPH.  
* RIDGE TOP............NORTH 5-10 MPH.  
* MIXING HEIGHT.......7 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT  
AGL AFTER 2000.  
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 2000, THEN NORTHWEST 10  
MPH.  
* CHANCE LIGHTNING....15 PERCENT OVER THE DARBY, SULA, AND WEST  
FORK DISTRICTS...AND 20 PERCENT TOWARD AREAS NORTH OF HAMILTON.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
FRIDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
* MAX TEMPERATURE.....95-100 VALLEYS AND 80-85 RIDGES.  
* MIN HUMIDITY........10-20 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO BECOMING NORTHWEST 5-15 MPH IN THE  
AFTERNOON.  
* RIDGE TOP............SOUTHWEST UP TO 5 MPH BECOMING WEST 5-10 MPH  
IN THE AFTERNOON.  
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. 11 KFT  
AGL AFTER 1600.  
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 0900, THEN  
WEST 10 MPH.  
* CHANCE LIGHTNING....0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY  
MOSTLY CLEAR. PATCHY SMOKE. LOWS 60-70. HIGHS 90-100. MIN  
HUMIDITIES 15-25 PERCENT. SOUTH WINDS 10-15 MPH.    
SUNDAY  
NOT AS WARM. MOSTLY CLEAR. LOWS 50-60. HIGHS 70-80. MIN  
HUMIDITIES 10-20 PERCENT. WEST WINDS 15-25 MPH.    
MONDAY  
CLEAR. LOWS 45-55. HIGHS 70-80. NORTHWEST WINDS 10-20 MPH.    
TUESDAY  
CLEAR. LOWS 45-55. HIGHS 75-85.    
WEDNESDAY  
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90.  
 
 
 
MTZ110-111-311000-  
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-  
351 AM MDT THU JUL 30 2026  
 
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY  
EVENING...  
   
TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY. AND PATCHY SMOKE. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.....85-95 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........11-21 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......SOUTHWEST 5-15 MPH.  
* RIDGE TOP............SOUTHWEST 5-15 MPH.  
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. GREATER  
THAN 12 KFT AGL AFTER 1300.  
* TRANSPORT WINDS.....SOUTHWEST 10 MPH UNTIL 1400, THEN 15 MPH.  
* CHANCE LIGHTNING....20 PERCENT.  
* CWR (> 0.10 INCH)...10 PERCENT.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE. SLIGHT CHANCE OF  
RAIN SHOWERS AND THUNDERSTORMS.  
* MIN TEMPERATURE.....43-53 VALLEYS AND 50-55 RIDGES.  
* MAX HUMIDITY........65-75 PERCENT VALLEYS AND 45-55 PERCENT  
RIDGES.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......WEST 10-20 MPH BECOMING SOUTHWEST 5-10 MPH  
AFTER MIDNIGHT.  
* RIDGE TOP............SOUTHWEST 5-15 MPH.  
* MIXING HEIGHT.......10 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT  
AGL AFTER 2000.  
* TRANSPORT WINDS.....SOUTHWEST 15 MPH UNTIL 2200, THEN SOUTH 10  
MPH UNTIL 2400, THEN VARIABLE LESS THAN 10 MPH.  
* CHANCE LIGHTNING....25 PERCENT OVER THE DEERLODGE/WEST  
BEAVERHEAD...AND 20 PERCENT TOWARD THE EAST BEAVERHEAD.  
* CWR (> 0.10 INCH)...10 PERCENT.  
   
FRIDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE.  
* MAX TEMPERATURE.....85-95 VALLEYS AND 75-80 RIDGES.  
* MIN HUMIDITY........12-19 PERCENT.  
* 20-FOOT WINDS.......  
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.  
* RIDGE TOP............WEST 5-10 MPH.  
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 12 KFT AGL AFTER  
1300.  
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1600, THEN 15 MPH.  
* CHANCE LIGHTNING....NEAR 0 PERCENT.  
* CWR (> 0.10 INCH)...0 PERCENT.  
   
SATURDAY  
MOSTLY CLEAR. PATCHY SMOKE. LOWS 55-65. HIGHS 90-100. MIN  
HUMIDITIES 10-20 PERCENT. SOUTH WINDS 10-20 MPH.    
SUNDAY  
NOT AS WARM. MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90. MIN  
HUMIDITIES 15-25 PERCENT. WEST WINDS 15-25 MPH.    
MONDAY  
NOT AS WARM. CLEAR. LOWS 45-55. HIGHS 70-80. NORTHWEST WINDS  
15-25 MPH.    
TUESDAY  
CLEAR. LOWS 45-55. HIGHS 75-85.    
WEDNESDAY  
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90.  
 
 
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