112
FNUS55 KMSO 251041
FWFMSO
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO
NATIONAL WEATHER SERVICE MISSOULA MT
441 AM MDT MON OCT 25 2021
DISCUSSION
IDAHO: CHANCES OF WETTING RAIN AND HIGH-ELEVATION SNOW ARE IN THE
FORECAST THROUGHOUT THIS WEEK. DAYTIME HUMIDITY WILL MOSTLY REMAIN ABOVE
50 PERCENT FOR ALL BUT THE LOWEST ELEVATIONS ALONG THE SALMON AND SNAKE
RIVERS. WINDS AT THE RIDGETOPS MAY REACH AS HIGH AS 40 MPH ON
WEDNESDAY. A SLIGHTLY DRIER PATTERN IS ANTICIPATED OVER THE WEEKEND
THROUGH EARLY NEXT WEEK, HOWEVER DAYTIME HUMIDITY WILL CONTINUE TO BE
RELATIVELY HIGH.
MONTANA: CHANCES OF WETTING RAIN AND HIGH-ELEVATION SNOW ARE IN THE
FORECAST THROUGHOUT THIS WEEK. DAYTIME HUMIDITY WILL MOSTLY REMAIN ABOVE
50 PERCENT (OUTSIDE OF THE LOWEST ELEVATIONS OF SOUTHWEST MONTANA, EAST
OF THE CONTINENTAL DIVIDE). ON WEDNESDAY, WINDS IN EXCESS OF 40 MPH ARE
POSSIBLE ACROSS ALL ELEVATIONS OF SOUTHWEST MONTANA (EAST OF THE
CONTINENTAL DIVIDE) AND OVER RIDGETOPS ALONG AND WEST OF THE DIVIDE. A
SLIGHTLY DRIER PATTERN IS ANTICIPATED OVER THE WEEKEND THROUGH EARLY
NEXT WEEK, HOWEVER DAYTIME HUMIDITY WILL CONTINUE TO BE RELATIVELY HIGH.
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IDZ102-103-261045-
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-
341 AM PDT MON OCT 25 2021
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN AND SNOW. SNOW LEVEL 6000
FEET.
* MAX TEMPERATURE.....50-60 VALLEYS AND 40-45 RIDGES.
* MIN HUMIDITY........59-69 PERCENT VALLEYS AND 71-81 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE
AFTERNOON.
* RIDGE TOP............SOUTHWEST 5-15 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...10 PERCENT IN THE PALOUSE/HELLS CANYON...AND
70 PERCENT IN THE CLEARWATER/NEZ PERCE.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY AND CHANCE OF
RAIN. SNOW LEVEL 5500 FEET.
* MIN TEMPERATURE.....35-40 VALLEYS AND 25-35 RIDGES.
* MAX HUMIDITY........82-92 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH.
* RIDGE TOP............WEST 5-15 MPH.
* LAL.................1.
* CWR (> 0.10 INCH)...20 PERCENT IN THE PALOUSE/HELLS CANYON...AND
40 PERCENT IN THE CLEARWATER/NEZ PERCE.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW WITH RAIN LIKELY. SNOW
LEVEL 5000 FEET.
* MAX TEMPERATURE.....48-58 VALLEYS AND 35-45 RIDGES.
* MIN HUMIDITY........57-67 PERCENT VALLEYS AND 67-77 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTHWEST 5-15 MPH.
* RIDGE TOP............SOUTHWEST 5-15 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...20 PERCENT.
WEDNESDAY
MOSTLY CLOUDY WITH RAIN AND SNOW. LOWS 35-45. HIGHS 45-55.
SOUTHWEST WINDS 20-30 MPH.
THURSDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN AND SNOW. LOWS 35-45.
HIGHS 50-60. SOUTH WINDS 10-20 MPH.
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS 40-50. HIGHS 55-65.
SOUTH WINDS 5-15 MPH.
SATURDAY
COOLER. MOSTLY CLOUDY. CHANCE OF RAIN. LOWS 35-45. HIGHS
45-55.
SUNDAY
PARTLY CLOUDY. LOWS 30-40. HIGHS 45-55.
MTZ104-105-261045-
KOOTENAI-FLATHEAD/GLACIER PARK-
441 AM MDT MON OCT 25 2021
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN AND SNOW LIKELY. SNOW
LEVEL 5500 FEET.
* MAX TEMPERATURE.....50-55 VALLEYS AND 35-45 RIDGES.
* MIN HUMIDITY........50-60 PERCENT VALLEYS AND 68-78 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHWEST 10-20 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT IN THE KOOTENAI...AND 30 PERCENT IN
THE FLATHEAD/GLACIER PARK.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW
LEVEL 5000 FEET.
* MIN TEMPERATURE.....25-35.
* MAX HUMIDITY........100 PERCENT VALLEYS AND 84-94 PERCENT RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH.
* RIDGE TOP............SOUTHWEST 10-20 MPH.
* LAL.................1.
* CWR (> 0.10 INCH)...10 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY AND CHANCE OF
RAIN. SNOW LEVEL 5000 FEET.
* MAX TEMPERATURE.....45-50 VALLEYS AND 30-40 RIDGES.
* MIN HUMIDITY........60-70 PERCENT VALLEYS AND 74-84 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHWEST 10-20 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...30 PERCENT.
WEDNESDAY
MOSTLY CLOUDY WITH RAIN AND CHANCE OF SNOW. LOWS 30-40.
HIGHS 40-50. SOUTHWEST WINDS 20-30 MPH.
THURSDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN AND SNOW. LOWS 30-40.
HIGHS 45-55. SOUTHWEST WINDS 15-25 MPH.
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS 35-45. HIGHS 45-55.
SOUTH WINDS 10-20 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE OF SNOW.
LOWS 30-40. HIGHS 40-50.
SUNDAY
PARTLY CLOUDY. LOWS 20-30. HIGHS 35-45.
MTZ106-108-261045-
WEST LOLO-EAST LOLO-
441 AM MDT MON OCT 25 2021
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN AND SNOW. SNOW LEVEL 6500
FEET.
* MAX TEMPERATURE.....45-55 VALLEYS AND 38-48 RIDGES.
* MIN HUMIDITY........54-64 PERCENT VALLEYS AND 70-80 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHWEST 5-15 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...10 PERCENT IN THE WEST LOLO...AND 40 PERCENT
IN THE EAST LOLO.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW
LEVEL 5500 FEET.
* MIN TEMPERATURE.....25-35.
* MAX HUMIDITY........85-95 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH.
* RIDGE TOP............WEST 5-15 MPH.
* LAL.................1.
* CWR (> 0.10 INCH)...10 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW
LEVEL 5000 FEET.
* MAX TEMPERATURE.....38-48.
* MIN HUMIDITY........52-62 PERCENT VALLEYS AND 62-72 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHWEST 10-20 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...20 PERCENT IN THE WEST LOLO...AND 0 PERCENT
IN THE EAST LOLO.
WEDNESDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN AND SNOW. LOWS 35-45.
HIGHS 40-50. SOUTHWEST WINDS 20-30 MPH.
THURSDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN AND SNOW. LOWS 30-40.
HIGHS 45-55. SOUTHWEST WINDS 15-25 MPH.
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS 40-50. HIGHS 50-60.
SOUTHWEST WINDS 10-15 MPH.
SATURDAY
COLDER. PARTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE OF
SNOW. LOWS 30-40. HIGHS 40-50.
SUNDAY
PARTLY CLOUDY. LOWS 25-35. HIGHS 40-50.
MTZ107-261045-
SALISH AND KOOTENAI RESERVATION-
441 AM MDT MON OCT 25 2021
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN. SNOW LEVEL 6000 FEET.
* MAX TEMPERATURE.....50-55 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........54-64 PERCENT VALLEYS AND 73-83 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHWEST 10-20 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...20 PERCENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND CHANCE OF
SNOW. SNOW LEVEL 5500 FEET.
* MIN TEMPERATURE.....35-40 VALLEYS AND 25-30 RIDGES.
* MAX HUMIDITY........86-96 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH.
* RIDGE TOP............WEST 10-20 MPH.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW
LEVEL 5000 FEET.
* MAX TEMPERATURE.....50-55 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........55-65 PERCENT VALLEYS AND 73-83 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHWEST 10-20 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY
MOSTLY CLOUDY WITH RAIN LIKELY AND SNOW. LOWS 35-45. HIGHS
45-55. SOUTHWEST WINDS 15-25 MPH.
THURSDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN AND SNOW. LOWS 35-45.
HIGHS 50-60. SOUTHWEST WINDS 15-25 MPH.
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS 40-50. HIGHS 55-65.
SOUTH WINDS 5-15 MPH.
SATURDAY
COOLER. PARTLY CLOUDY. CHANCE OF RAIN. LOWS 35-45. HIGHS
45-55.
SUNDAY
PARTLY CLOUDY. LOWS 25-35. HIGHS 40-50.
MTZ109-261045-
BITTERROOT-
441 AM MDT MON OCT 25 2021
TODAY
* SKY/WEATHER.........CLOUDY. RAIN AND SNOW. SNOW LEVEL 7500 FEET.
* MAX TEMPERATURE.....50-55 VALLEYS AND 35-40 RIDGES.
* MIN HUMIDITY........62-72 PERCENT VALLEYS AND 72-82 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHWEST 5-15 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...50 PERCENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY AND CHANCE OF
RAIN. SNOW LEVEL 6000 FEET.
* MIN TEMPERATURE.....25-35.
* MAX HUMIDITY........82-92 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH.
* RIDGE TOP............WEST 5-15 MPH.
* LAL.................1.
* CWR (> 0.10 INCH)...30 PERCENT.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN. SNOW
LEVEL 5500 FEET.
* MAX TEMPERATURE.....50-55 VALLEYS AND 35-40 RIDGES.
* MIN HUMIDITY........45-55 PERCENT VALLEYS AND 55-65 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHWEST 5-15 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW AND RAIN. LOWS 30-40.
HIGHS 40-50. SOUTHWEST WINDS 25-35 MPH.
THURSDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN AND SNOW. LOWS 30-40.
HIGHS 45-55. SOUTHWEST WINDS 15-25 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF RAIN. LOWS 40-50. HIGHS 50-60.
SOUTH WINDS 5-15 MPH.
SATURDAY
COLDER. PARTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS 30-40.
HIGHS 40-50.
SUNDAY
PARTLY CLOUDY. LOWS 25-35. HIGHS 40-50.
MTZ110-111-261045-
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
441 AM MDT MON OCT 25 2021
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN. SNOW IN THE AFTERNOON.
* MAX TEMPERATURE.....50-55 VALLEYS AND 35-45 RIDGES.
* MIN HUMIDITY........60-70 PERCENT VALLEYS AND 76-86 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTHWEST 10-20 MPH.
* RIDGE TOP............SOUTHWEST 15-25 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...40 PERCENT IN THE DEERLODGE/WEST
BEAVERHEAD...AND 60 PERCENT IN THE EAST BEAVERHEAD.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY AND CHANCE OF
RAIN. SNOW LEVEL 6500 FEET.
* MIN TEMPERATURE.....25-30.
* MAX HUMIDITY........98-100 PERCENT VALLEYS AND 89-99 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 5-15 MPH.
* RIDGE TOP............WEST 5-15 MPH.
* LAL.................1.
* CWR (> 0.10 INCH)...50 PERCENT.
TUESDAY
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW.
* MAX TEMPERATURE.....40-50 VALLEYS AND 30-40 RIDGES.
* MIN HUMIDITY........37-47 PERCENT VALLEYS AND 49-59 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 10-20 MPH.
* RIDGE TOP............WEST 10-20 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY
PARTLY CLOUDY WITH CHANCE OF SNOW. LOWS 30-40. HIGHS
40-50. SOUTHWEST WINDS 20-30 MPH.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW. LOWS
25-35. HIGHS 45-55. SOUTHWEST WINDS 10-20 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS 35-45. HIGHS
50-60. SOUTH WINDS 5-15 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE OF SNOW.
LOWS 30-40. HIGHS 45-55.
SUNDAY
COLDER. PARTLY CLOUDY. LOWS 20-30. HIGHS 35-45.
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