294
FNUS55 KMSO 280910
FWFMSO
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO
NATIONAL WEATHER SERVICE MISSOULA MT
310 AM MDT SAT OCT 28 2023
..THIS WILL BE THE FINAL FWF FOR THE 2023 FIRE SEASON
DISCUSSION
IDAHO: HIGH PRESSURE BUILDS OVER THE REGION WITH COLDER THAN NORMAL
TEMPERATURES AND THE POTENTIAL FOR MORNING FOG EACH DAY THROUGH MONDAY.
A LOW-END ATMOSPHERIC RIVER EVENT IS 62% POSSIBLE ON THURSDAY FOR LONG
RANGE PLANNING PURPOSES.
MONTANA: HIGH PRESSURE BUILDS OVER THE REGION WITH COLDER THAN NORMAL
TEMPERATURES AND THE POTENTIAL FOR MORNING FOG EACH DAY THROUGH MONDAY.
A LOW-END ATMOSPHERIC RIVER EVENT IS 62% POSSIBLE ON THURSDAY FOR LONG
RANGE PLANNING PURPOSES.
IDZ102-103-290915-
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-
210 AM PDT SAT OCT 28 2023
TODAY
* SKY/WEATHER.........PARTLY CLOUDY. WIDESPREAD FROST IN THE
MORNING.
* MAX TEMPERATURE.....30-40 VALLEYS AND 20-30 RIDGES.
* MIN HUMIDITY........36-46 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE
AFTERNOON.
* RIDGE TOP............NORTHEAST 5-15 MPH BECOMING NORTH 5-10 MPH
IN THE LATE MORNING AND AFTERNOON.
* HAINES INDEX........3 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. WIDESPREAD FROST AFTER
MIDNIGHT.
* MIN TEMPERATURE.....10-20.
* MAX HUMIDITY........83-93 PERCENT VALLEYS AND 71-81 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......DOWNSLOPE/DOWNVALLEY 2-5 MPH.
* RIDGE TOP............NORTHWEST 5-10 MPH BECOMING NORTH UP TO 5 MPH
IN THE LATE EVENING.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....45-50 VALLEYS AND 30-40 RIDGES.
* MIN HUMIDITY........30-40 PERCENT VALLEYS AND 36-46 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH LATE IN
THE AFTERNOON.
* RIDGE TOP............SOUTH UP TO 5 MPH BECOMING SOUTHWEST 5-10
MPH IN THE AFTERNOON.
* HAINES INDEX........3 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 20-30. HIGHS 45-55. MIN HUMIDITIES
45-55 PERCENT. DIURNAL TERRAIN WINDS TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 25-35. HIGHS 50-60. MIN HUMIDITIES
45-55 PERCENT. SOUTHEAST WINDS 5-10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 30-40. HIGHS 50-60. SOUTH WINDS
5-10 MPH.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS 35-45. HIGHS 45-55.
FRIDAY
CLOUDY. RAIN LIKELY. LOWS 35-45. HIGHS 45-55.
MTZ104-105-290915-
KOOTENAI-FLATHEAD/GLACIER PARK-
310 AM MDT SAT OCT 28 2023
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....30-40 VALLEYS AND 20-30 RIDGES.
* MIN HUMIDITY........28-38 PERCENT VALLEYS AND 42-52 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE
AFTERNOON.
* RIDGE TOP............WEST 5-10 MPH BECOMING 5-15 MPH IN THE LATE
MORNING AND AFTERNOON.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....8-18.
* MAX HUMIDITY........88-98 PERCENT VALLEYS AND 67-77 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......DOWNSLOPE/DOWNVALLEY 2-5 MPH.
* RIDGE TOP............WEST 5-10 MPH EARLY IN THE EVENING.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....40-50 VALLEYS AND 25-35 RIDGES.
* MIN HUMIDITY........31-41 PERCENT VALLEYS AND 44-54 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH LATE IN
THE AFTERNOON.
* RIDGE TOP............WEST 5-15 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
MONDAY
PARTLY CLOUDY. LOWS 15-25. HIGHS 35-45. MIN HUMIDITIES
45-55 PERCENT. SOUTHWEST WINDS 5-10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 20-30. HIGHS 40-50. MIN HUMIDITIES
50-60 PERCENT. SOUTHWEST WINDS 10-15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 25-35. HIGHS 40-50. SOUTHWEST WINDS
5-15 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN LIKELY AND CHANCE OF SNOW. LOWS 30-40.
HIGHS 40-50.
FRIDAY
CLOUDY. RAIN AND SNOW LIKELY. LOWS 30-40. HIGHS 40-50.
MTZ106-108-290915-
WEST LOLO-EAST LOLO-
310 AM MDT SAT OCT 28 2023
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....28-38 VALLEYS AND 18-28 RIDGES.
* MIN HUMIDITY........30-40 PERCENT VALLEYS AND 40-50 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH LATE IN
THE AFTERNOON.
* RIDGE TOP............NORTHWEST 10-15 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....5-15.
* MAX HUMIDITY........78-88 PERCENT VALLEYS AND 64-74 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 5-10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
* RIDGE TOP............NORTHWEST 5-10 MPH BECOMING WEST IN THE LATE
EVENING AND OVERNIGHT.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....40-45 VALLEYS AND 30-40 RIDGES.
* MIN HUMIDITY........29-39 PERCENT VALLEYS AND 38-48 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH LATE IN
THE AFTERNOON.
* RIDGE TOP............SOUTHWEST 5-10 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
MONDAY
PARTLY CLOUDY. LOWS 15-25. HIGHS 40-50. MIN HUMIDITIES
45-55 PERCENT. SOUTHWEST WINDS 5-10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 20-30. HIGHS 45-55. MIN HUMIDITIES
45-55 PERCENT. SOUTHWEST WINDS 5-10 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS 25-35. HIGHS 45-55. SOUTHWEST WINDS
5-10 MPH.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS 30-40. HIGHS
40-50.
FRIDAY
CLOUDY. RAIN AND SNOW LIKELY. LOWS 35-45. HIGHS 40-50.
MTZ107-290915-
FLATHEAD RESERVATION-
310 AM MDT SAT OCT 28 2023
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....35-40 VALLEYS AND 15-20 RIDGES.
* MIN HUMIDITY........36-46 PERCENT VALLEYS AND 44-54 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............NORTHWEST 5-10 MPH BECOMING 5-15 MPH IN THE
LATE MORNING AND AFTERNOON.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....10-20.
* MAX HUMIDITY........81-91 PERCENT VALLEYS AND 65-75 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTHWEST 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.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....40-45 VALLEYS AND 25-30 RIDGES.
* MIN HUMIDITY........35-45 PERCENT VALLEYS AND 42-52 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE
AFTERNOON.
* RIDGE TOP............SOUTHWEST 5-10 MPH BECOMING WEST IN THE LATE
MORNING AND AFTERNOON.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
MONDAY
PARTLY CLOUDY. LOWS 20-30. HIGHS 40-50. MIN HUMIDITIES
45-55 PERCENT. DIURNAL TERRAIN WINDS TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 20-30. HIGHS 45-55. MIN HUMIDITIES
50-60 PERCENT. SOUTH WINDS 5-10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 25-35. HIGHS 45-55. SOUTHWEST WINDS
5-10 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN LIKELY AND CHANCE OF SNOW. LOWS 30-40.
HIGHS 45-55.
FRIDAY
CLOUDY. RAIN LIKELY. LOWS 35-45. HIGHS 45-55.
MTZ109-290915-
BITTERROOT-
310 AM MDT SAT OCT 28 2023
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....25-35 VALLEYS AND 15-25 RIDGES.
* MIN HUMIDITY........32-42 PERCENT VALLEYS AND 43-53 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN THE
AFTERNOON.
* RIDGE TOP............NORTH 5-10 MPH.
* HAINES INDEX........3 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....3-13.
* MAX HUMIDITY........82-92 PERCENT VALLEYS AND 62-72 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......DOWNSLOPE/DOWNVALLEY 2-5 MPH.
* RIDGE TOP............NORTHWEST 5-10 MPH BECOMING NORTH UP TO 5 MPH
IN THE LATE EVENING.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
SUNDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....45-50 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........30-40 PERCENT VALLEYS AND 39-49 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......BECOMING UPSLOPE/UPVALLEY 4-8 MPH LATE IN
THE AFTERNOON.
* RIDGE TOP............SOUTHWEST 5-10 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 15-25. HIGHS 40-50. MIN HUMIDITIES
40-50 PERCENT. SOUTHWEST WINDS 5-10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 20-30. HIGHS 45-55. MIN HUMIDITIES
45-55 PERCENT. SOUTH WINDS 5-10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 25-35. HIGHS 45-55. SOUTHWEST WINDS
5-10 MPH.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS 30-40. HIGHS
40-50.
FRIDAY
MOSTLY CLOUDY. RAIN AND SNOW LIKELY. LOWS 35-45. HIGHS 40-50.
MTZ110-111-290915-
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
310 AM MDT SAT OCT 28 2023
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....20-30 VALLEYS AND 15-20 RIDGES.
* MIN HUMIDITY........37-47 PERCENT VALLEYS AND 45-55 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHWEST 10-15 MPH BECOMING
UPSLOPE/UPVALLEY 4-8 MPH IN THE AFTERNOON.
* RIDGE TOP............NORTH 10-15 MPH BECOMING NORTHWEST 5-15 MPH
IN THE LATE MORNING AND AFTERNOON.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....5 BELOW TO 5 ABOVE ZERO VALLEYS AND 5-10
RIDGES.
* MAX HUMIDITY........90-99 PERCENT VALLEYS AND 69-79 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 5-10 MPH EARLY IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
* RIDGE TOP............NORTHWEST 5-15 MPH EARLY IN THE EVENING.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
SUNDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....30-40 VALLEYS AND 23-33 RIDGES.
* MIN HUMIDITY........36-46 PERCENT VALLEYS AND 42-52 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............WEST 5-10 MPH.
* HAINES INDEX........2 VERY LOW.
* LAL.................1.
* CWR (> 0.10 INCH)...0 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 10-20. HIGHS 35-45. MIN HUMIDITIES
50-60 PERCENT. SOUTHWEST WINDS 5-10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 15-25. HIGHS 40-50. MIN HUMIDITIES
50-60 PERCENT. SOUTHWEST WINDS 5-15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 20-30. HIGHS 40-50. SOUTHWEST WINDS
5-15 MPH.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. LOWS 25-35.
HIGHS 40-50.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS 30-40. HIGHS
40-50.
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