Zone Forecast Product
Issued by NWS Missoula, MT

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FPUS55 KMSO 052031
ZFPMSO

Zone Forecast Product
National Weather Service Missoula MT
231 PM MDT Sun Oct 5 2025

MTZ001-061000-
Kootenai/Cabinet Region-
Including the cities of Libby and Eureka
231 PM MDT Sun Oct 5 2025

.TONIGHT...Mostly clear. Areas of frost after midnight.
Widespread frost late in the night. Lows in the mid 20s to lower
30s.
.MONDAY...Mostly sunny. Widespread frost in the morning. Highs in
the 60s.
.MONDAY NIGHT...Mostly clear. Areas of frost after midnight. Lows
in the upper 20s to mid 30s.
.TUESDAY...Mostly sunny. Widespread frost and patchy fog in the
morning. Highs in the mid 60s to lower 70s.
.TUESDAY NIGHT...Clear. Areas of frost after midnight. Lows in
the 30s.
.WEDNESDAY...Mostly sunny. Areas of frost in the morning. Highs
in the upper 60s to mid 70s.
.WEDNESDAY NIGHT...Mostly clear. A 20 percent chance of rain
after midnight. Lows in the 30s to lower 40s.
.THURSDAY...Mostly sunny. Areas of frost in the morning. Highs in
the 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s.
.FRIDAY...Mostly sunny. Patchy fog and frost in the morning.
Highs in the 70s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 40 percent chance of rain. Lows in the upper 30s to mid
40s.
.SATURDAY...Mostly cloudy with a 50 percent chance of rain.
Patchy fog in the morning. Highs in the upper 50s to mid 60s.
.SATURDAY NIGHT...Rain likely. Chance of rain 70 percent. Lows in
the 30s.
.SUNDAY...Rain likely. Patchy fog in the morning. Chance of rain
70 percent. Highs in the 50s.

$$

MTZ002-061000-
West Glacier Region-
Including the city of Swan Lake
231 PM MDT Sun Oct 5 2025

.TONIGHT...Mostly clear. Widespread frost in the late evening and
overnight. Patchy fog after midnight, then areas of fog late in
the night. Lows in the mid 20s to lower 30s.
.MONDAY...Mostly sunny. Widespread frost and patchy fog in the
morning. Highs in the upper 40s to mid 50s.
.MONDAY NIGHT...Mostly clear. Widespread frost and patchy fog
after midnight. Lows in the upper 20s to mid 30s.
.TUESDAY...Sunny. Widespread frost in the morning. Highs in the
mid 50s to lower 60s.
.TUESDAY NIGHT...Clear. Areas of frost after midnight. Lows in
the 30s to lower 40s. South winds to 15 mph.
.WEDNESDAY...Mostly sunny. Areas of frost in the morning. Highs
in the upper 50s to mid 60s.
.WEDNESDAY NIGHT...Mostly clear. Areas of frost after midnight.
Lows in the mid 30s to lower 40s.
.THURSDAY...Mostly sunny. Areas of frost in the morning. Highs in
the 60s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s.
.FRIDAY...Mostly sunny. Highs in the mid 60s to lower 70s.
.FRIDAY NIGHT...Mostly clear in the evening, then mostly cloudy
with a 30 percent chance of rain after midnight. Lows in the
upper 30s to mid 40s.
.SATURDAY...Mostly cloudy with a 50 percent chance of rain. Highs
in the 50s.
.SATURDAY NIGHT...A chance of rain in the evening, then rain and
snow likely after midnight. Chance of precipitation 60 percent.
Lows in the 30s.
.SUNDAY...Rain and snow likely. Chance of precipitation
70 percent. Highs in the 40s.

$$

MTZ003-061000-
Flathead/Mission Valleys-
Including the cities of Kalispell, Polson, and St. Ignatius
231 PM MDT Sun Oct 5 2025

...FREEZE WARNING IN EFFECT FROM 3 AM TO 10 AM MDT MONDAY...

.TONIGHT...Mostly clear. Areas of frost late in the evening.
Widespread frost after midnight. Patchy fog late in the night.
Lows in the mid 20s to lower 30s.
.MONDAY...Mostly sunny. Widespread frost and patchy fog in the
morning. Highs in the mid 50s to lower 60s.
.MONDAY NIGHT...Mostly clear. Widespread frost after midnight.
Lows in the upper 20s to mid 30s.
.TUESDAY...Mostly sunny. Widespread frost in the morning. Highs
in the 60s.
.TUESDAY NIGHT...Clear. Areas of frost after midnight. Lows in
the 30s.
.WEDNESDAY...Mostly sunny. Areas of frost in the morning. Highs
in the mid 60s to lower 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the 30s to lower 40s.
.THURSDAY...Mostly sunny. Patchy frost in the morning. Highs in
the mid 60s to lower 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s.
.FRIDAY...Mostly sunny. Highs in the upper 60s to mid 70s.
.FRIDAY NIGHT...Mostly clear in the evening then becoming mostly
cloudy. A 30 percent chance of rain. Lows in the mid 30s to lower
40s.
.SATURDAY...Mostly cloudy with a 50 percent chance of rain. Highs
in the upper 50s to mid 60s.
.SATURDAY NIGHT...A chance of rain in the evening, then rain
likely after midnight. Chance of rain 60 percent. Lows in the
30s.
.SUNDAY...Rain likely. Chance of rain 70 percent. Highs in the
upper 40s to mid 50s.

$$

MTZ004-061000-
Lower Clark Fork Region-
Including the cities of Noxon, Thompson Falls, and Superior
231 PM MDT Sun Oct 5 2025

.TONIGHT...Mostly clear. Areas of frost in the late evening and
early morning. Areas of fog after midnight, then widespread frost
and patchy fog late in the night. Lows in the upper 20s to mid
30s.
.MONDAY...Mostly sunny. Widespread frost and patchy fog in the
morning. Highs in the upper 50s to mid 60s.
.MONDAY NIGHT...Mostly clear. Areas of frost after midnight. Lows
in the 30s.
.TUESDAY...Sunny. Widespread frost and patchy fog in the morning.
Highs in the mid 60s to lower 70s.
.TUESDAY NIGHT...Clear. Areas of frost after midnight. Lows in
the mid 30s to lower 40s.
.WEDNESDAY...Sunny. Areas of frost in the morning. Highs in the
upper 60s to mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s to mid
40s.
.THURSDAY...Mostly sunny. Areas of frost in the morning. Highs in
the upper 60s to mid 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s to mid 40s.
.FRIDAY...Mostly sunny. Highs in the 70s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 40 percent chance of rain. Lows in the upper 30s to mid
40s.
.SATURDAY...A chance of rain in the morning, then rain likely in
the afternoon. Chance of rain 60 percent. Highs in the upper 50s
to mid 60s.
.SATURDAY NIGHT...A chance of rain in the evening, then rain
likely after midnight. Chance of rain 70 percent. Lows in the 30s
to lower 40s.
.SUNDAY...Rain likely. Chance of rain 70 percent. Highs in the
mid 40s to lower 50s.

$$

MTZ005-061000-
Missoula/Bitterroot Valleys-
Including the cities of Hamilton and Darby
231 PM MDT Sun Oct 5 2025

...FREEZE WARNING IN EFFECT FROM 3 AM TO 10 AM MDT MONDAY...

.TONIGHT...Mostly clear. Areas of frost late in the evening.
Widespread frost after midnight. Patchy fog late in the night.
Lows in the mid to upper 20s.
.MONDAY...Mostly sunny. Widespread frost and patchy fog in the
morning. Highs near 60.
.MONDAY NIGHT...Mostly clear. Widespread frost after midnight.
Lows in the lower to mid 30s.
.TUESDAY...Sunny. Widespread frost in the morning. Highs in the
mid to upper 60s.
.TUESDAY NIGHT...Clear. Areas of frost after midnight. Lows in
the lower to mid 30s.
.WEDNESDAY...Sunny. Areas of frost in the morning. Highs near 70.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid to upper 30s.
.THURSDAY...Sunny. Areas of frost in the morning. Highs in the
lower to mid 70s.
.THURSDAY NIGHT...Mostly clear. Lows near 40.
.FRIDAY...Mostly sunny. Highs in the lower to mid 70s.
.FRIDAY NIGHT...Mostly clear in the evening then becoming mostly
cloudy. A 40 percent chance of rain. Lows near 40.
.SATURDAY...A chance of rain in the morning, then rain likely in
the afternoon. Chance of rain 60 percent. Highs in the lower to
mid 60s.
.SATURDAY NIGHT...A chance of rain in the evening, then rain
likely after midnight. Chance of rain 60 percent. Lows in the
30s.
.SUNDAY...Rain likely. Chance of rain 70 percent. Highs in the
lower 50s.

$$

MTZ006-061000-
Bitterroot/Sapphire Mountains-
Including the city of Sula
231 PM MDT Sun Oct 5 2025

.TONIGHT...Mostly clear. Widespread frost through the night. Lows
in the 20s.
.MONDAY...Mostly sunny. Widespread frost in the morning. Highs in
the 50s.
.MONDAY NIGHT...Mostly clear. Widespread frost after midnight.
Lows in the upper 20s to mid 30s.
.TUESDAY...Sunny. Widespread frost in the morning. Highs in the
upper 50s to mid 60s.
.TUESDAY NIGHT...Clear. Widespread frost after midnight. Lows in
the 30s.
.WEDNESDAY...Sunny. Widespread frost in the morning. Highs in the
60s.
.WEDNESDAY NIGHT...Mostly clear. Areas of frost after midnight.
Lows in the 30s.
.THURSDAY...Mostly sunny. Areas of frost in the morning. Highs in
the mid 60s to lower 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s.
.FRIDAY...Mostly sunny. Areas of frost in the morning. Highs in
the mid 60s to lower 70s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 40 percent chance of rain. Lows in the mid 30s to lower
40s.
.SATURDAY...A chance of rain in the morning, then rain likely in
the afternoon. Chance of rain 60 percent. Highs in the mid 50s to
lower 60s.
.SATURDAY NIGHT...A chance of rain in the evening, then rain and
snow likely after midnight. Chance of precipitation 70 percent.
Lows in the upper 20s to mid 30s.
.SUNDAY...Rain and snow likely. Chance of precipitation
70 percent. Highs in the 40s to lower 50s.

$$

MTZ007-061000-
Butte/Blackfoot Region-
Including the cities of Anaconda, Deer Lodge, and Drummond
231 PM MDT Sun Oct 5 2025

.TONIGHT...Mostly clear. Widespread frost through the night.
Areas of fog after midnight. Lows 18 to 25.
.MONDAY...Mostly sunny. Widespread frost and patchy fog in the
morning. Highs in the 50s.
.MONDAY NIGHT...Mostly clear. Widespread frost after midnight.
Lows in the mid 20s to lower 30s.
.TUESDAY...Sunny. Widespread frost in the morning. Highs in the
upper 50s to mid 60s.
.TUESDAY NIGHT...Clear. Widespread frost after midnight. Lows in
the upper 20s to mid 30s. South winds to 15 mph.
.WEDNESDAY...Sunny. Widespread frost in the morning. Highs in the
60s.
.WEDNESDAY NIGHT...Mostly clear. Areas of frost after midnight.
Lows in the 30s.
.THURSDAY...Mostly sunny. Widespread frost in the morning. Highs
in the 60s to lower 70s.
.THURSDAY NIGHT...Mostly clear. Areas of frost after midnight.
Lows in the 30s.
.FRIDAY...Mostly sunny. Areas of frost in the morning. Highs in
the mid 60s to lower 70s.
.FRIDAY NIGHT...Mostly clear in the evening, then mostly cloudy
with a 30 percent chance of rain after midnight. Lows in the mid
30s to lower 40s.
.SATURDAY...A chance of rain in the morning, then rain likely in
the afternoon. Chance of rain 60 percent. Highs in the upper 50s
to mid 60s.
.SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain.
Lows in the upper 20s to mid 30s.
.SUNDAY...A chance of rain and snow in the morning, then rain
likely in the afternoon. Chance of precipitation 60 percent.
Highs in the mid 40s to lower 50s.

$$

MTZ043-061000-
Potomac/Seeley Lake Region-
Including the cities of East Missoula, Seeley Lake, and Clinton
231 PM MDT Sun Oct 5 2025

.TONIGHT...Mostly clear. Widespread frost in the late evening and
overnight. Areas of fog after midnight. Lows in the 20s.
.MONDAY...Mostly sunny. Widespread frost and areas of fog in the
morning. Highs in the 50s.
.MONDAY NIGHT...Mostly clear. Widespread frost after midnight.
Lows in the upper 20s to mid 30s.
.TUESDAY...Mostly sunny. Widespread frost and patchy fog in the
morning. Highs in the upper 50s to mid 60s.
.TUESDAY NIGHT...Clear. Widespread frost after midnight. Lows in
the upper 20s to mid 30s.
.WEDNESDAY...Sunny. Widespread frost in the morning. Highs in the
60s.
.WEDNESDAY NIGHT...Mostly clear. Areas of frost after midnight.
Lows in the 30s.
.THURSDAY...Mostly sunny. Widespread frost in the morning. Highs
in the mid 60s to lower 70s.
.THURSDAY NIGHT...Mostly clear. Areas of frost after midnight.
Lows in the mid 30s to lower 40s.
.FRIDAY...Mostly sunny. Widespread frost in the morning. Highs in
the mid 60s to lower 70s.
.FRIDAY NIGHT...Mostly clear in the evening, then mostly cloudy
with a 30 percent chance of rain after midnight. Lows in the mid
30s to lower 40s.
.SATURDAY...Mostly cloudy with a 50 percent chance of rain. Highs
in the upper 50s to mid 60s.
.SATURDAY NIGHT...A chance of rain in the evening, then rain
likely after midnight. Chance of rain 60 percent. Lows in the
30s.
.SUNDAY...Rain likely. Snow likely in the morning. Chance of
precipitation 70 percent. Highs in the mid 40s to lower 50s.

$$

IDZ009-061000-
Western Lemhi County-
Including the city of Shoup
231 PM MDT Sun Oct 5 2025

.TONIGHT...Mostly clear. Areas of frost in the late evening and
early morning. Widespread frost late in the night. Lows in the
upper 20s to mid 30s.
.MONDAY...Mostly sunny. Widespread frost in the morning. Highs in
the mid 50s to lower 60s.
.MONDAY NIGHT...Mostly clear. Lows in the 30s.
.TUESDAY...Sunny. Highs in the 60s.
.TUESDAY NIGHT...Clear. Lows in the 30s.
.WEDNESDAY...Sunny. Highs in the 60s to lower 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s to mid
40s.
.THURSDAY...Mostly sunny. Highs in the mid 60s to lower 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s to mid 40s.
.FRIDAY...Mostly sunny. Highs in the mid 60s to lower 70s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 40 percent chance of rain. Lows in the upper 30s to mid
40s.
.SATURDAY...Mostly cloudy with a 50 percent chance of rain. Highs
in the mid 50s to lower 60s.
.SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain.
Lows in the 30s.
.SUNDAY...A chance of rain and snow in the morning, then rain and
snow likely in the afternoon. Chance of precipitation 60 percent.
Highs in the mid 40s to lower 50s.

$$

IDZ010-061000-
Eastern Lemhi County-
Including the cities of Salmon and Leadore
231 PM MDT Sun Oct 5 2025

.TONIGHT...Mostly clear. Widespread frost in the late evening and
overnight. Lows in the 20s to lower 30s.
.MONDAY...Mostly sunny. Widespread frost in the morning. Highs in
the 50s.
.MONDAY NIGHT...Mostly clear. Widespread frost after midnight.
Lows in the upper 20s to mid 30s.
.TUESDAY...Sunny. Widespread frost in the morning. Highs in the
upper 50s to mid 60s.
.TUESDAY NIGHT...Clear. Lows in the upper 20s to mid 30s. South
winds to 15 mph.
.WEDNESDAY...Sunny. Widespread frost in the morning. Highs in the
60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s to lower
40s.
.THURSDAY...Mostly sunny. Highs in the mid 60s to lower 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s.
.FRIDAY...Mostly sunny. Highs in the mid 60s to lower 70s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 40 percent chance of rain. Lows in the upper 30s to mid
40s.
.SATURDAY...Mostly cloudy with a 50 percent chance of rain. Highs
in the mid 50s to lower 60s.
.SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain.
Lows in the 30s.
.SUNDAY...A chance of rain. Snow likely in the morning. Chance of
precipitation 70 percent. Highs in the mid 40s to lower 50s.

$$

IDZ005-061000-
Northern Clearwater Mountains-
Including the cities of Pierce and Elk River
131 PM PDT Sun Oct 5 2025

.TONIGHT...Mostly clear. Patchy frost late in the evening. Areas
of frost after midnight, then widespread frost late in the night.
Lows in the mid 20s to lower 30s.
.MONDAY...Sunny. Widespread frost in the morning. Highs in the
upper 50s to mid 60s.
.MONDAY NIGHT...Clear. Widespread frost after midnight. Lows in
the upper 20s to mid 30s.
.TUESDAY...Sunny. Widespread frost in the morning. Highs in the
mid 60s to lower 70s.
.TUESDAY NIGHT...Clear. Areas of frost after midnight. Lows in
the 30s.
.WEDNESDAY...Sunny. Areas of frost in the morning. Highs in the
upper 60s to mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the 30s to lower 40s.
.THURSDAY...Mostly sunny. Areas of frost in the morning. Highs in
the 70s to lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s.
.FRIDAY...Mostly sunny. Highs in the 70s.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain.
Lows in the mid 30s to lower 40s.
.SATURDAY...Rain likely. Chance of rain 60 percent. Cooler. Highs
in the mid 50s to lower 60s.
.SATURDAY NIGHT...Rain likely. Chance of rain 70 percent. Lows in
the upper 20s to mid 30s.
.SUNDAY...Rain likely. Chance of rain 70 percent. Highs in the
mid 40s to lower 50s.

$$

IDZ006-061000-
Southern Clearwater Mountains-
Including the cities of Powell, Elk City, and Dixie
131 PM PDT Sun Oct 5 2025

.TONIGHT...Mostly clear. Patchy fog in the late evening and
overnight. Patchy frost late in the evening, then widespread
frost after midnight. Lows 23 to 38.
.MONDAY...Mostly sunny. Widespread frost and patchy fog in the
morning. Highs in the 50s to lower 60s.
.MONDAY NIGHT...Mostly clear. Areas of frost in the evening.
Widespread frost after midnight. Lows 25 to 40.
.TUESDAY...Sunny. Widespread frost in the morning. Highs in the
upper 50s to lower 70s.
.TUESDAY NIGHT...Clear. Widespread frost after midnight. Lows
28 to 43.
.WEDNESDAY...Sunny. Widespread frost in the morning. Highs in the
lower 60s to mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Widespread frost after midnight.
Lows 31 to 46.
.THURSDAY...Mostly sunny. Widespread frost in the morning. Highs
in the mid 60s to upper 70s.
.THURSDAY NIGHT...Mostly clear. Widespread frost after midnight.
Lows 32 to 47.
.FRIDAY...Mostly sunny. Widespread frost in the morning. Highs in
the mid 60s to upper 70s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 50 percent chance of rain. Lows 32 to 47.
.SATURDAY...Rain likely. Chance of rain 60 percent. Highs in the
upper 40s to lower 60s.
.SATURDAY NIGHT...Rain likely. Snow likely after midnight. Chance
of precipitation 70 percent. Lows 26 to 41.
.SUNDAY...Rain and snow likely in the morning, then rain likely
in the afternoon. Patchy fog in the morning. Chance of
precipitation 80 percent. Highs 40 to 53.

$$

IDZ007-061000-
Orofino/Grangeville Region-
Including the city of Kooskia
131 PM PDT Sun Oct 5 2025

...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM PDT MONDAY...

.TONIGHT...Mostly clear. Areas of frost late in the night. Lows
in the 30s to lower 40s.
.MONDAY...Mostly sunny. Areas of frost in the morning. Highs in
the 50s to upper 60s.
.MONDAY NIGHT...Clear. Lows in the mid 30s to lower 40s.
.TUESDAY...Sunny. Highs in the upper 60s to mid 70s.
.TUESDAY NIGHT...Clear. Lows in the 40s.
.WEDNESDAY...Sunny. Highs in the 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the 40s.
.THURSDAY...Mostly sunny. Highs in the 70s to lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the 40s to lower 50s.
.FRIDAY...Mostly sunny. Highs in the mid 70s to lower 80s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 40 percent chance of rain. Lows in the mid 40s to lower
50s.
.SATURDAY...Rain likely. Chance of rain 60 percent. Highs in the
upper 50s to mid 60s.
.SATURDAY NIGHT...A chance of rain in the evening, then rain
likely after midnight. Chance of rain 70 percent. Lows in the
upper 30s to mid 40s.
.SUNDAY...Rain likely. Chance of rain 70 percent. Highs in the
40s to upper 50s.

$$

IDZ008-061000-
Lower Hells Canyon/Salmon River Region-
Including the cities of Riggins and White Bird
131 PM PDT Sun Oct 5 2025

.TONIGHT...Mostly clear. Lows in the mid 30s to lower 40s.
.MONDAY...Sunny. Highs in the upper 50s to lower 70s.
.MONDAY NIGHT...Clear. Lows in the 40s.
.TUESDAY...Sunny. Highs 64 to 77.
.TUESDAY NIGHT...Clear. Lows in the mid 40s to lower 50s. South
winds to 15 mph.
.WEDNESDAY...Sunny. Highs 66 to 79.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower
50s.
.THURSDAY...Mostly sunny. Highs in the lower 70s to mid 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
.FRIDAY...Mostly sunny. Highs 71 to 84.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain.
Lows in the mid 40s to lower 50s.
.SATURDAY...A chance of rain in the morning, then rain likely in
the afternoon. Chance of rain 60 percent. Highs in the mid 50s to
upper 60s.
.SATURDAY NIGHT...Rain likely. Chance of rain 70 percent. Lows in
the upper 30s to mid 40s.
.SUNDAY...Rain likely. Chance of rain 70 percent. Highs in the
mid 40s to upper 50s.

$$