Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
740
FNUS55 KMSO 031909
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
109 PM MDT Sun Aug 3 2025
.DISCUSSION...
Idaho (Zones 102 and 103): Drier conditions today, but chances still
exist for widely scattered showers and a couple thunderstorms this
afternoon and evening. Gusty winds will be the primary concern. For
Monday, increasing moisture, clouds, and numerous shower and
thunderstorm chances. Increased chances for wetting rains with any storm
Monday. Winds could gust as high as 45 mph and small hail with stronger
storms. Increasingly dry and warm Tuesday into Wednesday followed by
another couple days of active weather and cooler temps to end the week.
Northwest MT (Zones 104 and 105): Drier conditions today, but chances
still exist for a couple showers and an isolated thunderstorm or two
this afternoon and evening. Gusty winds will be the primary concern. For
Monday, increasing moisture, clouds, and numerous shower and
thunderstorm chances especially in the afternoon and evening. Increased
chances for wetting rains with any storm Monday. Winds could gust as
high as 45 mph and small hail with stronger storms. Increasingly dry and
warm Tuesday into Wednesday followed by another couple days of active
weather and cooler temps to end the week.
West Central MT (Zones 106, 107 and 108): Drier conditions today, but
chances still exist for widely scattered showers and a couple
thunderstorms this afternoon and evening mainly south of i-90. Gusty
winds will be the primary concern. For Monday, increasing moisture,
clouds, and numerous shower and thunderstorm chances. Increased chances
for wetting rains with any storm Monday especially near and south of
i-90. Winds could gust as high as 45 mph and small hail with stronger
storms. Increasingly dry and warm Tuesday into Wednesday followed by
another couple days of active weather and cooler temps to end the week.
Southwest MT (Zones 109, 110 and 111): Drier conditions today, but
chances still exist for widely scattered showers and a couple
thunderstorms this afternoon and evening. Gusty winds will be the
primary concern. For Monday, increasing moisture, clouds, and numerous
shower and thunderstorm chances. Increased chances for wetting rains
with any storm Monday. Winds could gust as high as 45 mph and small hail
with stronger storms. Increasingly dry and warm Tuesday into Wednesday
followed by another couple days of active weather and cooler temps to
end the week.
View Weather Briefing videos on our YouTube channel
at https://www.youtube.com/NWSMissoula
IDZ102-103-041915-
Palouse/Hells Canyon-Clearwater/Nez Perce-
1209 PM PDT Sun Aug 3 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain showers.
* Min Temperature.....50-60 valleys and 43-53 ridges.
* Max Humidity........52-62 percent.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph.
* Ridge Top............Northwest 5-10 mph becoming south after
midnight.
* Mixing Height.......7 kft agl until 2000. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 10 mph until 2300, then variable less
than 10 mph.
* Chance Lightning....Near 0 percent in the Palouse/Hells
Canyon...and 20 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...10 percent.
.MONDAY...
* Sky/Weather.........Partly cloudy. Rain showers likely. Chance of
thunderstorms in the afternoon.
* Max Temperature.....80-90 valleys and 65-70 ridges.
* Min Humidity........31-41 percent valleys and 38-48 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 5-10 mph.
* Mixing Height.......2 kft agl until 1000. 7 kft agl after 1200.
* Transport Winds.....Variable less than 10 mph until 1400, then
west 10 mph.
* Chance Lightning....40 percent in the Palouse/Hells Canyon...and
50 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...10 percent in the Palouse/Hells Canyon...and
30 percent in the Clearwater/Nez Perce.
.MONDAY NIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain showers and
thunderstorms. Slight chance of rain after midnight.
* Min Temperature.....45-55.
* Max Humidity........64-74 percent.
* 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.......4 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....West 10 mph until 2200, then variable less
than 10 mph.
* Chance Lightning....25 percent in the Palouse/Hells Canyon...and
30 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...10 percent in the Palouse/Hells Canyon...and
30 percent in the Clearwater/Nez Perce.
.TUESDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....83-93 valleys and 65-75 ridges.
* Min Humidity........19-29 percent valleys and 26-36 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............South up to 5 mph becoming west 5-10 mph in
the afternoon.
* Mixing Height.......2 kft agl until 1000. 10 kft agl after 1500.
* Transport Winds.....Southwest 10 mph until 1600, then west 15
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...Partly cloudy. Lows 55-65. Highs 75-85. Min humidities
15-25 percent. West winds 5-10 mph.
.THURSDAY...Mostly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 40 percent. Lows 55-65. Highs
70-80. Min humidities 25-35 percent. West winds 5-10 mph.
.FRIDAY...Partly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 30 percent. Lows 50-60. Highs
70-80. West winds 5-10 mph.
.SATURDAY...Partly cloudy. Lows 50-60. Highs 75-85.
.SUNDAY...Mostly clear. Lows 50-60. Highs 80-90.
$$
MTZ104-105-041915-
Kootenai-Flathead/Glacier Park-
109 PM MDT Sun Aug 3 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....50-60.
* Max Humidity........75-85 percent valleys and 56-66 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 1-3 mph.
* Ridge Top............West 5-15 mph becoming south 5-10 mph after
midnight.
* Mixing Height.......8 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....West 10 mph until 0100, then variable less
than 10 mph.
* Chance Lightning....Near 0 percent in the Kootenai...and 15
percent in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...0 percent.
.MONDAY...
* Sky/Weather.........Partly cloudy. Slight chance of thunderstorms
in the afternoon.
* Max Temperature.....80-85 valleys and 65-75 ridges.
* Min Humidity........28-38 percent valleys and 39-49 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............South 5-10 mph becoming west in the
afternoon.
* Mixing Height.......1-2 kft agl until 1000. 8 kft agl after 1200.
* Transport Winds.....Southwest 10 mph until 1600, then west 10
mph.
* Chance Lightning....25 percent in the Kootenai...and 30 percent
in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...10 percent.
.MONDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms.
* Min Temperature.....45-55.
* Max Humidity........97-100 percent valleys and 77-87 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph in the evening
becoming downslope/downvalley 1-3 mph.
* Ridge Top............West 5-10 mph.
* Mixing Height.......6 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....West 10 mph.
* Chance Lightning....30 percent in the Kootenai...and 40 percent
in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...20 percent in the Kootenai...and 50 percent
in the Flathead/Glacier Park.
.TUESDAY...
* Sky/Weather.........Partly cloudy. Slight chance of rain. Slight
chance of thunderstorms in the afternoon.
* Max Temperature.....75-85 valleys and 60-70 ridges.
* Min Humidity........27-37 percent valleys and 42-52 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.......3 kft agl until 1000. 9 kft agl after 1400.
* Transport Winds.....West 15 mph until 1700, then 20 mph.
* Chance Lightning....Near 0 percent in the Kootenai...and 20
percent in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...10 percent.
.WEDNESDAY...Partly cloudy. Lows 50-60. Highs 70-80. Min humidities
25-35 percent. Southwest winds 10-15 mph.
.THURSDAY...Mostly cloudy with chance of rain showers and
thunderstorms. Chance of precipitation 50 percent. Lows 50-60. Highs
65-75. Min humidities 35-45 percent. Southwest winds 10-15 mph.
.FRIDAY...Mostly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 40 percent. Lows 50-60. Highs
60-70. Southwest winds 10-15 mph.
.SATURDAY...Partly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 30 percent. Lows 50-60. Highs
65-75.
.SUNDAY...Partly cloudy. Lows 50-60. Highs 70-80.
$$
MTZ106-108-041915-
West Lolo-East Lolo-
109 PM MDT Sun Aug 3 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....50-60.
* Max Humidity........46-56 percent.
* 20-Foot Winds.......
* Lower Elevation......West 5-10 mph.
* Ridge Top............West 5-10 mph becoming southeast after
midnight.
* Mixing Height.......10 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 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. Chance of thunderstorms in the afternoon.
* Max Temperature.....75-85 valleys and 68-78 ridges.
* Min Humidity........26-36 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, then 4 kft agl until
1200, then 7 kft agl until 1500, then 8 kft agl until 1700, then
6 kft agl.
* Transport Winds.....Southwest 10 mph.
* Chance Lightning....30 percent in the West Lolo...and 40 percent
in the East Lolo.
* CWR (> 0.10 Inch)...20 percent.
.MONDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms in the evening, then chance of rain after
midnight.
* Min Temperature.....45-55.
* Max Humidity........71-81 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-10 mph.
* Ridge Top............Southwest 5-10 mph.
* Mixing Height.......5 kft agl until 1900, then below 500 ft to 1
kft agl.
* Transport Winds.....West 10 mph.
* Chance Lightning....30 percent in the West Lolo...and 40 percent
in the East Lolo.
* CWR (> 0.10 Inch)...40 percent in the West Lolo...and 60 percent
in the East Lolo.
.TUESDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....75-85 valleys and 68-78 ridges.
* Min Humidity........21-31 percent valleys and 29-39 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......2 kft agl until 1000. 10 kft agl after 1400.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...Partly cloudy. Lows 50-60. Highs 75-85. Min humidities
15-25 percent. Southwest winds 5-10 mph.
.THURSDAY...Mostly cloudy with chance of rain showers and
thunderstorms. Chance of precipitation 40 percent. Lows 55-65. Highs
70-80. Min humidities 25-35 percent. West winds 5-10 mph.
.FRIDAY...Partly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 40 percent. Lows 50-60. Highs
65-75. West winds 10-15 mph.
.SATURDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 50-60. Highs
70-80.
.SUNDAY...Partly cloudy. Lows 50-60. Highs 75-85.
$$
MTZ107-041915-
Flathead Reservation-
109 PM MDT Sun Aug 3 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Areas of smoke after midnight.
* Min Temperature.....50-60.
* Max Humidity........48-58 percent.
* 20-Foot Winds.......
* Lower Elevation......West 5-10 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............West 5-10 mph becoming southeast after
midnight.
* Mixing Height.......10 kft agl until 2000. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 10 mph until 0300. Variable less than 10
mph after 0500.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.MONDAY...
* Sky/Weather.........Partly cloudy. Areas of smoke in the morning.
Slight chance of thunderstorms in the afternoon.
* Max Temperature.....85-90 valleys and 60-65 ridges.
* Min Humidity........25-35 percent valleys and 35-45 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Northwest 5-10 mph.
* Mixing Height.......1-2 kft agl until 1000. 8 kft agl after 1500.
* Transport Winds.....Variable less than 10 mph until 1000, then
west 10 mph.
* Chance Lightning....30 percent.
* CWR (> 0.10 Inch)...10 percent.
.MONDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms.
* Min Temperature.....50-55.
* Max Humidity........74-84 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-10 mph.
* Ridge Top............Southwest 5-10 mph.
* Mixing Height.......5 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 10 mph until 2200, then southwest 10
mph.
* Chance Lightning....30 percent.
* CWR (> 0.10 Inch)...60 percent.
.TUESDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-85 valleys and 60-65 ridges.
* Min Humidity........21-31 percent valleys and 35-45 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000. 11 kft agl after
1600.
* Transport Winds.....Southwest 10 mph until 1300, then west 15
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...Partly cloudy. Lows 55-65. Highs 75-85. Min humidities
15-25 percent. Southwest winds 10-15 mph.
.THURSDAY...Mostly cloudy with chance of rain showers and
thunderstorms. Chance of precipitation 50 percent. Lows 55-65. Highs
70-80. Min humidities 30-40 percent. Southwest winds 10-15 mph.
.FRIDAY...Mostly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 40 percent. Lows 50-60. Highs
70-80. Southwest winds 10-15 mph.
.SATURDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 50-60. Highs
70-80.
.SUNDAY...Partly cloudy. Lows 50-60. Highs 75-85.
$$
MTZ109-041915-
Bitterroot-
109 PM MDT Sun Aug 3 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain showers and
slight chance of thunderstorms.
* Min Temperature.....45-55.
* Max Humidity........73-83 percent valleys and 55-65 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 becoming south after midnight.
* Mixing Height.......9 kft agl until 1900. 1-2 kft agl after 2100.
* Transport Winds.....Northwest 10 mph until 2300, then variable
less than 10 mph.
* Chance Lightning....25 percent in the Darby, Sula, and West Fork
Districts...and near 0 percent in areas north of Hamilton.
* CWR (> 0.10 Inch)...10 percent.
.MONDAY...
* Sky/Weather.........Partly cloudy. Chance of thunderstorms in the
afternoon.
* Max Temperature.....80-85 valleys and 65-75 ridges.
* Min Humidity........29-39 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Southwest up to 5 mph becoming west 5-10 mph
in the afternoon.
* Mixing Height.......2 kft agl until 1000, then 4 kft agl until
1200, then 7 kft agl until 1400, then 8 kft agl until 1700, then
6 kft agl.
* Transport Winds.....Variable less than 10 mph until 1200, then
west 10 mph.
* Chance Lightning....50 percent in the Darby, Sula, and West Fork
Districts...and 40 percent in areas north of Hamilton.
* CWR (> 0.10 Inch)...50 percent.
.MONDAY NIGHT...
* Sky/Weather.........Partly cloudy. Rain showers likely and chance
of thunderstorms in the evening, then slight chance of rain after
midnight.
* Min Temperature.....45-50.
* Max Humidity........87-97 percent valleys and 76-86 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-10 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............West 5-10 mph.
* Mixing Height.......3 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....West 10 mph until 0500, then variable less
than 10 mph.
* Chance Lightning....30 percent.
* CWR (> 0.10 Inch)...40 percent.
.TUESDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-85 valleys and 65-70 ridges.
* Min Humidity........23-33 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Southwest 5-10 mph.
* Mixing Height.......2 kft agl until 1000. 10 kft agl after 1500.
* Transport Winds.....Southwest 10 mph until 1400, then west 15
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...Partly cloudy. Lows 50-60. Highs 75-85. Min humidities
20-30 percent. Southwest winds 5-10 mph.
.THURSDAY...Mostly cloudy with chance of rain showers and
thunderstorms. Chance of precipitation 40 percent. Lows 50-60. Highs
70-80. Min humidities 30-40 percent. West winds 5-10 mph.
.FRIDAY...Partly cloudy with chance of rain showers and thunderstorms.
Chance of precipitation 30 percent. Lows 50-60. Highs 65-75. West winds
10-15 mph.
.SATURDAY...Partly cloudy. Lows 45-55. Highs 65-75.
.SUNDAY...Partly cloudy. Lows 45-55. Highs 70-80.
$$
MTZ110-111-041915-
Deerlodge/West Beaverhead-East Beaverhead-
109 PM MDT Sun Aug 3 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain showers
and thunderstorms.
* Min Temperature.....38-48 valleys and 45-50 ridges.
* Max Humidity........76-86 percent valleys and 57-67 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-10 mph.
* Ridge Top............West 5-10 mph becoming southeast after
midnight.
* Mixing Height.......10 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 10 mph until 2200, then variable less
than 10 mph.
* Chance Lightning....20 percent.
* CWR (> 0.10 Inch)...10 percent.
.MONDAY...
* Sky/Weather.........Partly cloudy. Chance of rain showers and
thunderstorms.
* Max Temperature.....75-85 valleys and 70-75 ridges.
* Min Humidity........19-29 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming northwest 10-15 mph in the
afternoon.
* Ridge Top............South 5-10 mph becoming southwest 10-20 mph
in the afternoon.
* Mixing Height.......1-2 kft agl until 1000, then 3 kft agl until
1100, then 5 kft agl until 1200, then 9 kft agl until 1300, then
greater than 12 kft agl until 1700, then 11 kft agl.
* Transport Winds.....South 10 mph until 1200, then southwest 20
mph.
* Chance Lightning....40 percent in the Deerlodge/West
Beaverhead...and 30 percent in the East Beaverhead.
* CWR (> 0.10 Inch)...40 percent in the Deerlodge/West
Beaverhead...and 10 percent in the East Beaverhead.
.MONDAY NIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain showers and
thunderstorms.
* Min Temperature.....40-50.
* Max Humidity........93-100 percent valleys and 72-82 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-15 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......9 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....West 15 mph until 0500, then variable less
than 10 mph.
* Chance Lightning....40 percent.
* CWR (> 0.10 Inch)...20 percent.
.TUESDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....75-80 valleys and 65-70 ridges.
* Min Humidity........16-26 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming west 5-15 mph in the
afternoon.
* Ridge Top............West 5-15 mph.
* Mixing Height.......1-2 kft agl until 0900. 12 kft agl after
1600.
* Transport Winds.....West 10 mph until 1100, then 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...Partly cloudy. Lows 50-60. Highs 75-85. Min humidities
10-20 percent. Southwest winds 10-15 mph.
.THURSDAY...Mostly cloudy. Lows 50-60. Highs 70-80. Min humidities
15-25 percent. West winds 10-20 mph.
.FRIDAY...Mostly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 40 percent. Lows 45-55. Highs
65-75. West winds 10-20 mph.
.SATURDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 45-55. Highs
65-75.
.SUNDAY...Partly cloudy. Lows 45-55. Highs 70-80.
$$