Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
235
FNUS55 KMSO 192033
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
233 PM MDT Sat Jul 19 2025
.DISCUSSION...
Idaho (Zones 102 and 103): Sunday will see similar temperatures and RHs
to Saturday, but with less wind. Showery conditions will develop Sunday
night into Monday, along with cooler temperatures and higher RHs.
Thunderstorms by Monday afternoon could be quite wet, but overall the
chance of a widespread wetting rain is low (10-30 percent chance).
Cooler and more moist conditions will last into Tuesday.
Northwest MT (Zones 104 and 105): Showers and isolated thunderstorms
this afternoon will dissipate this evening. Another round of showers and
thunderstorms is possible Sunday afternoon. Temperatures and RHs for
Sunday will be similar to Saturday, but with less wind. Widespread showery
conditions will develop Monday, along with cooler temperatures and
higher RHs. There is an 80 to 90 percent chance of wetting rain between
Monday and Tuesday, and a 50 to 70 percent chance of 0.25" or more, with
higher likelihood closer to the Canadian border.
West Central MT (Zones 106, 107 and 108): Sunday will see similar
temperatures and RHs to Saturday, but with less wind. Showery
conditions will develop Sunday night into Monday, along with cooler
temperatures and higher RHs. Thunderstorms by Monday afternoon could be
quite wet, but overall the chance of a widespread wetting rain is
somewhat low (20-40 percent chance). Cooler and more moist conditions
will last into Tuesday.
Southwest MT (Zones 109, 110 and 111): Sunday will see similar
temperatures and RHs to Saturday, but with less wind. Isolated
thunderstorms will be possible in the afternoon. Showers and
thunderstorms will develop by Monday afternoon, along with slightly
cooler temperatures but still relatively dry and breezy conditions.
Thunderstorms by Monday afternoon could be quite wet, but overall the
chance of a widespread wetting rain is low (less than 20 percent
chance). Cooler and more moist conditions will last into Tuesday.
IDZ102-103-202045-
Palouse/Hells Canyon-Clearwater/Nez Perce-
133 PM PDT Sat Jul 19 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....50-60.
* Max Humidity........46-56 percent.
* 20-Foot Winds.......
* Lower Elevation......West 10-15 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............West 10-20 mph decreasing to 5-10 mph after
midnight.
* Mixing Height.......7 kft agl until 2000. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 15 mph until 2200, then variable less
than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SUNDAY...
* Sky/Weather.........Mostly cloudy.
* Max Temperature.....83-93 valleys and 65-75 ridges.
* Min Humidity........18-28 percent valleys and 26-36 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 10-15 mph.
* Mixing Height.......3 kft agl until 1000. 8 kft agl after 1200.
* Transport Winds.....West 10 mph until 1300, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Slight chance of showers late.
* Min Temperature.....50-60.
* Max Humidity........58-68 percent.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-10 mph becoming variable less
than 5 mph after midnight.
* Ridge Top............Northwest 5-15 mph.
* Mixing Height.......7 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Northwest 10 mph until 2200. Variable less
than 10 mph after 0500.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.MONDAY...
* Sky/Weather.........Mostly cloudy. Chance of rain showers. Slight
chance of thunderstorms in the afternoon.
* Max Temperature.....75-85 valleys and 60-70 ridges.
* Min Humidity........40-50 percent valleys and 53-63 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Northwest 5-10 mph.
* Mixing Height.......2 kft agl until 1100. 5 kft agl after 1500.
* Transport Winds.....Variable less than 10 mph until 1400, then
southwest 10 mph.
* Chance Lightning....20 percent in the Palouse/Hells Canyon...and
25 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...40 percent.
.TUESDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 50-60. Highs
75-85. Min humidities 20-30 percent. West winds 5-10 mph.
.WEDNESDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities
15-25 percent. Northwest winds 5-10 mph.
.THURSDAY...Clear. Lows 55-65. Highs 85-95. Southwest winds 5-10 mph.
.FRIDAY...Mostly clear. Lows 55-65. Highs 85-95.
.SATURDAY...Partly cloudy. Lows 55-65. Highs 80-90.
$$
MTZ104-105-202045-
Kootenai-Flathead/Glacier Park-
233 PM MDT Sat Jul 19 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain showers
and thunderstorms.
* Min Temperature.....45-55.
* Max Humidity........77-87 percent valleys and 62-72 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 10-15 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............West 15-25 mph becoming southwest 5-10 mph
after midnight.
* Mixing Height.......7 kft agl until 2000. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 15 mph until 0200, then southwest 10
mph.
* Chance Lightning....25 percent.
* CWR (> 0.10 Inch)...10 percent.
.SUNDAY...
* Sky/Weather.........Partly cloudy. Slight chance of thunderstorms
in the afternoon.
* Max Temperature.....75-85 valleys and 60-70 ridges.
* Min Humidity........23-33 percent valleys and 37-47 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 mph.
* Ridge Top............Southwest 5-10 mph becoming west 10-20 mph
in the afternoon.
* Mixing Height.......1-2 kft agl until 0900. 9 kft agl after 1300.
* Transport Winds.....Southwest 10 mph until 1200, then 15 mph.
* Chance Lightning....20 percent.
* CWR (> 0.10 Inch)...0 percent.
.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy.
* Min Temperature.....45-55.
* Max Humidity........85-95 percent valleys and 77-87 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.......8 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....20 percent.
* CWR (> 0.10 Inch)...10 percent.
.MONDAY...
* Sky/Weather.........Mostly cloudy. Chance of rain in the morning,
then rain showers likely and slight chance of thunderstorms in
the afternoon.
* Max Temperature.....65-75 valleys and 50-60 ridges.
* Min Humidity........53-63 percent valleys and 75-85 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............North 5-10 mph.
* Mixing Height.......3 kft agl until 1100, then 4 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....20 percent in the Kootenai...and 25 percent
in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...40 percent in the Kootenai...and 60 percent
in the Flathead/Glacier Park.
.TUESDAY...Mostly cloudy with rain showers likely and chance of
thunderstorms. Chance of precipitation 60 percent. Lows 50-60. Highs
60-70. Min humidities 45-55 percent. West winds 5-10 mph.
.WEDNESDAY...Partly cloudy with chance of rain showers and slight
chance of thunderstorms. Chance of precipitation 30 percent. Lows
45-55. Highs 70-80. Min humidities 25-35 percent. Northwest winds
10-15 mph.
.THURSDAY...Mostly clear. Lows 50-60. Highs 75-85. Southwest winds
10-15 mph.
.FRIDAY...Mostly clear. Lows 50-60. Highs 75-85.
.SATURDAY...Partly cloudy. Lows 50-60. Highs 75-85.
$$
MTZ106-108-202045-
West Lolo-East Lolo-
233 PM MDT Sat Jul 19 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....50-60.
* Max Humidity........45-55 percent.
* 20-Foot Winds.......
* Lower Elevation......West 10-15 mph becoming variable less than 5
mph after midnight.
* Ridge Top............West 15-25 mph becoming southwest 5-10 mph
after midnight.
* Mixing Height.......8 kft agl until 2000. 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.
.SUNDAY...
* Sky/Weather.........Mostly cloudy.
* Max Temperature.....75-85 valleys and 68-78 ridges.
* Min Humidity........17-27 percent valleys and 27-37 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph.
* Ridge Top............Southwest 5-10 mph becoming west 10-20 mph
in the afternoon.
* Mixing Height.......1-2 kft agl until 0900. 9 kft agl after 1300.
* Transport Winds.....Southwest 10 mph until 1100, then west 15
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Slight chance of showers by early
morning.
* Min Temperature.....50-55.
* Max Humidity........61-71 percent.
* 20-Foot Winds.......
* Lower Elevation......West 10-15 mph becoming variable less than 5
mph after midnight.
* Ridge Top............West 10-20 mph becoming northwest 5-10 mph
after midnight.
* Mixing Height.......9 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 15 mph until 2300, then variable less
than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.MONDAY...
* Sky/Weather.........Mostly cloudy. Chance of rain in the morning,
then chance of rain showers and slight chance of thunderstorms in
the afternoon.
* Max Temperature.....60-70.
* Min Humidity........43-53 percent valleys and 51-61 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............North 5-10 mph.
* Mixing Height.......3 kft agl until 1100. 6 kft agl after 1400.
* Transport Winds.....Northeast 10 mph until 1400, then southwest
10 mph.
* Chance Lightning....20 percent in the West Lolo...and 30 percent
in the East Lolo.
* CWR (> 0.10 Inch)...40 percent in the West Lolo...and 20 percent
in the East Lolo.
.TUESDAY...Mostly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 40 percent. Lows 50-60. Highs
70-80. Min humidities 25-35 percent. West winds 5-10 mph.
.WEDNESDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 50-60. Highs
75-85. Min humidities 15-25 percent. West winds 5-10 mph.
.THURSDAY...Mostly clear. Lows 50-60. Highs 80-90. Southwest winds
10-15 mph.
.FRIDAY...Mostly clear. Lows 55-65. Highs 80-90.
.SATURDAY...Partly cloudy. Lows 55-65. Highs 80-90.
$$
MTZ107-202045-
Flathead Reservation-
233 PM MDT Sat Jul 19 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....55-60 valleys and 45-50 ridges.
* Max Humidity........45-55 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 mph decreasing to variable
less than 5 mph after midnight.
* Ridge Top............West 20-30 mph becoming southwest 5-10 mph
after midnight.
* Mixing Height.......9 kft agl until 2000. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 20 mph until 2100, then southwest 10
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SUNDAY...
* Sky/Weather.........Mostly cloudy.
* Max Temperature.....80-85 valleys and 60-65 ridges.
* Min Humidity........17-27 percent valleys and 28-38 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming 5-15 mph in the afternoon.
* Ridge Top............Southwest 5-10 mph becoming west 10-20 mph
in the afternoon.
* Mixing Height.......1-2 kft agl until 0900. 10 kft agl after
1600.
* Transport Winds.....Southwest 10 mph until 1200, then west 15
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Slight chance of showers by early
morning.
* Min Temperature.....55-60 valleys and 45-50 ridges.
* Max Humidity........62-72 percent valleys and 83-93 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 10-15 mph becoming variable less than 5
mph after midnight.
* Ridge Top............West 15-25 mph becoming northwest 5-10 mph
after midnight.
* 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....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.MONDAY...
* Sky/Weather.........Cloudy. Chance of rain in the morning, then
rain showers likely and slight chance of thunderstorms in the
afternoon.
* Max Temperature.....70-75 valleys and 50-55 ridges.
* Min Humidity........43-53 percent valleys and 66-76 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Northwest 5-10 mph.
* Mixing Height.......3 kft agl until 1300, then 4 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....20 percent.
* CWR (> 0.10 Inch)...40 percent.
.TUESDAY...Mostly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 50 percent. Lows 50-60. Highs
70-80. Min humidities 35-45 percent. West winds 5-10 mph.
.WEDNESDAY...Partly cloudy with chance of rain showers and slight
chance of thunderstorms. Chance of precipitation 30 percent. Lows
50-60. Highs 75-85. Min humidities 20-30 percent. Northwest winds
5-10 mph.
.THURSDAY...Mostly clear. Lows 55-65. Highs 80-90. Southwest winds
10-15 mph.
.FRIDAY...Mostly clear. Lows 55-65. Highs 85-95.
.SATURDAY...Partly cloudy. Lows 55-65. Highs 85-95.
$$
MTZ109-202045-
Bitterroot-
233 PM MDT Sat Jul 19 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....48-58.
* Max Humidity........64-74 percent valleys and 50-60 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northwest 10-15 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............West 10-20 mph decreasing to 5-10 mph after
midnight.
* Mixing Height.......7 kft agl until 2000. 1-2 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.
.SUNDAY...
* Sky/Weather.........Mostly cloudy.
* Max Temperature.....80-85 valleys and 65-75 ridges.
* Min Humidity........19-29 percent valleys and 25-35 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm becoming west 5-15 mph in the afternoon.
* Ridge Top............Southwest 5-10 mph becoming west 10-20 mph
in the afternoon.
* Mixing Height.......3 kft agl until 1000. 9 kft agl after 1400.
* Transport Winds.....Southwest 10 mph until 1100, then west 20
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy.
* Min Temperature.....45-55.
* Max Humidity........65-75 percent valleys and 58-68 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-15 mph becoming variable less
than 5 mph after midnight.
* Ridge Top............Northwest 10-20 mph becoming north 5-10 mph
after midnight.
* Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft
agl after 0400.
* Transport Winds.....West 15 mph until 2100, then north 10 mph
until 0200, then variable less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.MONDAY...
* Sky/Weather.........Mostly cloudy. Chance of rain in the morning,
then chance of rain showers and thunderstorms in the afternoon.
* Max Temperature.....75-80 valleys and 65-70 ridges.
* Min Humidity........34-44 percent valleys and 42-52 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Northwest 5-10 mph.
* Mixing Height.......3 kft agl until 1100. 7 kft agl after 1500.
* Transport Winds.....Northeast 10 mph until 1100, then south 10
mph until 1200, then west 15 mph.
* Chance Lightning....30 percent in the Darby, Sula, and West Fork
Districts...and 25 percent in areas north of Hamilton.
* CWR (> 0.10 Inch)...20 percent.
.TUESDAY...Partly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 30 percent. Lows 50-60. Highs
70-80. Min humidities 20-30 percent. West winds 5-10 mph.
.WEDNESDAY...Mostly clear. Lows 50-60. Highs 75-85. Min humidities
15-25 percent. West winds 10-15 mph.
.THURSDAY...Mostly clear. Lows 50-60. Highs 80-90. Southwest winds
10-15 mph.
.FRIDAY...Mostly clear. Lows 55-65. Highs 80-90.
.SATURDAY...Partly cloudy. Lows 55-65. Highs 80-90.
$$
MTZ110-111-202045-
Deerlodge/West Beaverhead-East Beaverhead-
233 PM MDT Sat Jul 19 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Areas of smoke.
* Min Temperature.....45-50.
* Max Humidity........70-80 percent valleys and 55-65 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 10-20 mph in the evening becoming
downslope/downvalley 5-10 mph.
* Ridge Top............West 15-25 mph becoming southwest 5-10 mph
after midnight.
* Mixing Height.......11 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 25 mph until 2100, then northwest 15 mph
until 2400, then variable less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SUNDAY...
* Sky/Weather.........Partly cloudy. Haze. Slight chance of
thunderstorms in the afternoon.
* Max Temperature.....75-85 valleys and 70-75 ridges.
* Min Humidity........15-25 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-20 mph.
* Ridge Top............Southwest 10-15 mph becoming west 15-25 mph
in the afternoon.
* Mixing Height.......1-2 kft agl until 0900. 11 kft agl after
1400.
* Transport Winds.....Southwest 10 mph until 0900. 25 mph after
1200.
* Chance Lightning....20 percent.
* CWR (> 0.10 Inch)...0 percent.
.SUNDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Haze and areas of smoke in the
evening.
* Min Temperature.....45-55.
* Max Humidity........72-82 percent valleys and 54-64 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northwest 10-20 mph becoming northeast 5-10
mph after midnight.
* Ridge Top............Northwest 10-20 mph becoming north 5-10 mph
after midnight.
* Mixing Height.......10 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 20 mph until 2100, then northwest 10 mph
until 2400, then variable less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.MONDAY...
* Sky/Weather.........Partly cloudy. Slight chance of rain in the
morning. Slight chance of thunderstorms in the afternoon.
* Max Temperature.....75-85 valleys and 65-75 ridges.
* Min Humidity........21-31 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming west 10-20 mph in the
afternoon.
* Ridge Top............Southeast 5-10 mph becoming southwest 10-20
mph in the afternoon.
* Mixing Height.......2 kft agl until 1000. Greater than 12 kft agl
after 1400.
* Transport Winds.....Southeast 10 mph until 1000, then south 20
mph until 1300, then southwest 25 mph.
* Chance Lightning....30 percent.
* CWR (> 0.10 Inch)...10 percent.
.TUESDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 50-60. Highs
70-80. Min humidities 15-25 percent. West winds 10-20 mph.
.WEDNESDAY...Partly cloudy. Lows 45-55. Highs 75-85. Min humidities
10-20 percent. West winds 10-15 mph.
.THURSDAY...Mostly clear. Lows 50-60. Highs 80-90. West winds
10-15 mph.
.FRIDAY...Mostly clear. Lows 50-60. Highs 80-90.
.SATURDAY...Partly cloudy. Lows 50-60. Highs 80-90.
$$