Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
903
FNUS55 KMSO 010656
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
1256 AM MDT Thu Oct 1 2026
.DISCUSSION...
Idaho (Zones 102 and 103): A warming and drying trend will begin today
and continue into early next week. Ridgetop winds pick up slightly on
Friday afternoon but otherwise expect light and diurnally driven winds.
Winds increase again Monday afternoon.
Northwest MT (Zones 104 and 105): A warming and drying trend will begin today
and continue into early next week. A few sprinkles are possible today
but otherwise no precipitation is expected. Westerly winds pick up
slightly on Friday afternoon but otherwise expect light and diurnally
driven winds. Winds increase again Monday afternoon.
West Central MT (Zones 106, 107 and 108): A warming and drying trend will begin today
and continue into early next week. Westerly winds pick up slightly on
Friday afternoon but otherwise expect light and diurnally driven winds.
Winds increase again Monday afternoon.
Southwest MT (Zones 109, 110 and 111): A warming and drying trend will begin today
and continue into early next week. Westerly winds pick up each afternoon
but overall winds will be light. Winds increase again Monday afternoon
with potential localized elevated fire weather conditions.
View Weather Briefing videos on our YouTube channel
at https://www.youtube.com/NWSMissoula
IDZ102-103-020700-
Palouse/Hells Canyon-Clearwater/Nez Perce-
1156 PM PDT Wed Sep 30 2026
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....70-80 valleys and 60-65 ridges.
* Min Humidity........38-48 percent valleys and 45-55 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............West up to 5 mph.
* Mixing Height.......1-2 kft agl until 1200, then 4 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....45-50 valleys and 38-48 ridges.
* Max Humidity........66-76 percent.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 2-5 mph.
* Ridge Top............Southwest 5-10 mph.
* Mixing Height.......3 kft agl until 1900, then below 500 ft to 1
kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....78-88 valleys and 65-75 ridges.
* Min Humidity........31-41 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 1100. 6 kft
agl after 1300.
* Transport Winds.....Variable less than 10 mph until 1200, then
west 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly clear. Lows 45-55. Highs 70-80. Min humidities
15-25 percent. Diurnal terrain winds to 10 mph.
.SUNDAY...Mostly clear. Lows 45-55. Highs 75-85. Min humidities
20-30 percent. Southeast winds 5-10 mph.
.MONDAY...Mostly clear. Lows 50-60. Highs 75-85. South winds 5-10 mph.
.TUESDAY...Mostly clear. Lows 45-55. Highs 70-80.
.WEDNESDAY...Mostly clear. Lows 40-50. Highs 70-80.
$$
MTZ104-105-020700-
Kootenai-Flathead/Glacier Park-
1256 AM MDT Thu Oct 1 2026
.TODAY...
* Sky/Weather.........Mostly cloudy. Slight chance of rain showers.
Snow level 7000 feet.
* Max Temperature.....60-70 valleys and 50-55 ridges.
* Min Humidity........28-38 percent valleys and 37-47 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest up to 5 mph.
* Mixing Height.......1-2 kft agl until 1200, then 4 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Mostly cloudy.
* Min Temperature.....35-45.
* Max Humidity........84-94 percent valleys and 60-70 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph in the evening
becoming downslope/downvalley 1-3 mph.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Southwest 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....70-75 valleys and 55-65 ridges.
* Min Humidity........33-43 percent valleys and 45-55 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.......1-2 kft agl until 1100. 6 kft agl after 1300.
* Transport Winds.....Southwest 15 mph until 1500, then west 20
mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly clear. Lows 40-50. Highs 65-75. Min humidities
20-30 percent. Southwest winds 10-15 mph.
.SUNDAY...Mostly clear. Lows 40-50. Highs 70-80. Min humidities
25-35 percent. Southeast winds 5-10 mph.
.MONDAY...Mostly clear. Lows 45-55. Highs 65-75. Southwest winds
10-20 mph.
.TUESDAY...Mostly clear. Lows 40-50. Highs 65-75.
.WEDNESDAY...Partly cloudy. Lows 40-50. Highs 65-75.
$$
MTZ106-108-020700-
West Lolo-East Lolo-
1256 AM MDT Thu Oct 1 2026
.TODAY...
* Sky/Weather.........Mostly cloudy. Areas of fog in the morning.
* Max Temperature.....55-65.
* Min Humidity........31-41 percent valleys and 44-54 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest up to 5 mph.
* Mixing Height.......1-2 kft agl until 1200. 4 kft agl after 1500.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Mostly cloudy.
* Min Temperature.....40-45.
* Max Humidity........70-80 percent.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 1-3 mph becoming
variable less than 5 mph after midnight.
* Ridge Top............Southwest 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....68-78 valleys and 60-70 ridges.
* Min Humidity........27-37 percent valleys and 35-45 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......1-2 kft agl until 1100. 8 kft agl after 1600.
* Transport Winds.....Southwest 10 mph until 1100, then west 20
mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly clear. Lows 45-55. Highs 65-75. Min humidities
15-25 percent. Southwest winds 5-10 mph.
.SUNDAY...Mostly clear. Lows 40-50. Highs 75-85. Min humidities
15-25 percent. Diurnal terrain winds to 10 mph.
.MONDAY...Mostly clear. Lows 45-55. Highs 70-80. Southwest winds
10-15 mph.
.TUESDAY...Mostly clear. Lows 40-50. Highs 65-75.
.WEDNESDAY...Mostly clear. Lows 40-50. Highs 70-80.
$$
MTZ107-020700-
Flathead Reservation-
1256 AM MDT Thu Oct 1 2026
.TODAY...
* Sky/Weather.........Mostly cloudy. Slight chance of rain showers.
* Max Temperature.....65-70 valleys and 45-50 ridges.
* Min Humidity........39-49 percent valleys and 54-64 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............West up to 5 mph.
* Mixing Height.......1-2 kft agl until 1200, then 4 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Mostly cloudy.
* Min Temperature.....40-50.
* Max Humidity........78-88 percent valleys and 71-81 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph in the evening
becoming downslope/downvalley 1-3 mph.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......2 kft agl until 1900, then below 500 ft to 1
kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...
* Sky/Weather.........Mostly cloudy then becoming mostly sunny.
* Max Temperature.....75-80 valleys and 55-60 ridges.
* Min Humidity........33-43 percent valleys and 48-58 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 1100. 7 kft
agl after 1600.
* Transport Winds.....Southwest 10 mph until 1400, then west 15
mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly clear. Lows 45-55. Highs 70-80. Min humidities
25-35 percent. Southwest winds 5-10 mph.
.SUNDAY...Mostly clear. Lows 40-50. Highs 70-80. Min humidities
15-25 percent. Diurnal terrain winds to 10 mph.
.MONDAY...Mostly clear. Lows 45-55. Highs 75-85. Southwest winds
5-10 mph.
.TUESDAY...Mostly clear. Lows 45-55. Highs 70-80.
.WEDNESDAY...Mostly clear. Lows 40-50. Highs 70-80.
$$
MTZ109-020700-
Bitterroot-
1256 AM MDT Thu Oct 1 2026
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....70-75 valleys and 60-65 ridges.
* Min Humidity........39-49 percent valleys and 45-55 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.......Below 500 ft to 1 kft agl until 1100. 5 kft
agl after 1400.
* Transport Winds.....Southwest 10 mph until 1500, then west 10
mph.
* Chance Lightning....Near 0 percent over the Darby, Sula, and West
Fork Districts...and 0 percent toward areas north of Hamilton.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....40-45.
* Max Humidity........85-95 percent valleys and 69-79 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph in the evening
becoming downslope/downvalley 2-5 mph.
* Ridge Top............West 5-10 mph.
* Mixing Height.......3 kft agl until 1900, then below 500 ft to 1
kft agl.
* Transport Winds.....Variable less than 10 mph until 2200, then
southwest 10 mph.
* Chance Lightning....Near 0 percent over the Darby, Sula, and West
Fork Districts...and 0 percent toward areas north of Hamilton.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-85 valleys and 60-65 ridges.
* Min Humidity........27-37 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 mph.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......1-2 kft agl until 1100. 7 kft agl after 1300.
* Transport Winds.....Southwest 15 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly clear. Lows 45-55. Highs 65-75. Min humidities
10-20 percent. Southwest winds 5-10 mph.
.SUNDAY...Mostly clear. Lows 45-55. Highs 70-80. Min humidities
15-25 percent. South winds 5-10 mph.
.MONDAY...Mostly clear. Lows 45-55. Highs 70-80. Southwest winds
10-15 mph.
.TUESDAY...Mostly clear. Lows 45-55. Highs 65-75.
.WEDNESDAY...Mostly clear. Lows 40-50. Highs 65-75.
$$
MTZ110-111-020700-
Deerlodge/West Beaverhead-East Beaverhead-
1256 AM MDT Thu Oct 1 2026
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....65-70 valleys and 55-65 ridges.
* Min Humidity........32-42 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............West 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 1100. 6 kft
agl after 1600.
* Transport Winds.....Southwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....28-38 valleys and 40-45 ridges.
* Max Humidity........85-95 percent valleys and 69-79 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-10 mph becoming southwest after
midnight.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......4 kft agl until 1900, then below 500 ft to 1
kft agl.
* Transport Winds.....Northwest 10 mph until 2000, then variable
less than 10 mph until 2200, then southwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....70-80 valleys and 60-65 ridges.
* Min Humidity........19-29 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 mph.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......1-2 kft agl until 1100. 8 kft agl after 1300.
* Transport Winds.....Southwest 15 mph until 1400, then west 20
mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly clear. Lows 40-50. Highs 65-75. Min humidities
10-20 percent. West winds 10-15 mph.
.SUNDAY...Mostly clear. Lows 40-50. Highs 70-80. Min humidities
10-20 percent. South winds 5-10 mph.
.MONDAY...Mostly clear. Lows 40-50. Highs 70-80. Southwest winds
10-15 mph.
.TUESDAY...Partly cloudy. Lows 40-50. Highs 65-75.
.WEDNESDAY...Mostly clear. Lows 35-45. Highs 65-75.
$$