183
FPUS55 KMSO 210623
ZFPMSO

Zone Forecast Product
National Weather Service Missoula MT
1223 AM MDT Mon Sep 21 2026

MTZ001-212200-
Kootenai/Cabinet Region-
Including the cities of Libby and Eureka
1223 AM MDT Mon Sep 21 2026

.TODAY...Sunny. Patchy fog early in the morning. Highs in the
upper 70s to mid 80s.
.TONIGHT...Mostly clear in the evening then becoming mostly
cloudy. Lows in the mid 40s to lower 50s.
.TUESDAY...Mostly cloudy. Highs in the mid 70s to lower 80s.
.TUESDAY NIGHT...Partly cloudy. Lows in the 40s.
.WEDNESDAY...Mostly sunny. Highs in the upper 60s to mid 70s.
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the 40s.
.THURSDAY...Mostly cloudy. Highs in the 70s.
.THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
after midnight. Lows in the mid 40s to lower 50s.
.FRIDAY...Mostly cloudy with a 50 percent chance of rain. Highs
in the 60s.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain.
Lows in the upper 30s to mid 40s.
.SATURDAY...Mostly cloudy with a 30 percent chance of rain. Highs
in the upper 50s to mid 60s.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the mid 30s to lower 40s.
.SUNDAY...Mostly cloudy. Highs in the upper 50s to mid 60s.

$$

MTZ002-212200-
West Glacier Region-
Including the city of Swan Lake
1223 AM MDT Mon Sep 21 2026

.TODAY...Mostly sunny. Patchy fog early in the morning. Highs in
the mid 60s to lower 70s.
.TONIGHT...Mostly clear. Lows in the mid 40s to lower 50s.
.TUESDAY...Mostly cloudy. Highs in the mid 60s to lower 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the 60s. Southwest winds to
15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the 40s to lower 50s.
.THURSDAY...Partly cloudy. Highs in the upper 60s to mid 70s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the mid 40s to lower
50s.
.FRIDAY...Mostly cloudy with a 40 percent chance of rain. Highs
in the upper 50s to mid 60s.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain.
Lows in the upper 30s to mid 40s.
.SATURDAY...Mostly cloudy. A 30 percent chance of rain in the
morning. Highs in the 50s.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the mid 30s to lower 40s.
.SUNDAY...Mostly cloudy. Highs in the upper 40s to mid 50s.

$$

MTZ003-212200-
Flathead/Mission Valleys-
Including the cities of Kalispell, Polson, and St. Ignatius
1223 AM MDT Mon Sep 21 2026

.TODAY...Mostly sunny. Patchy fog in the morning. Highs in the
70s.
.TONIGHT...Mostly clear. Lows in the 40s to lower 50s.
.TUESDAY...Mostly cloudy. Highs in the 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the 40s to lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the upper 60s to mid 70s.
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the 40s to lower 50s.
.THURSDAY...Mostly cloudy. Highs in the 70s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the mid 40s to lower
50s.
.FRIDAY...Mostly cloudy with a 40 percent chance of rain. Highs
in the 60s to lower 70s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of rain.
Lows in the upper 30s to mid 40s.
.SATURDAY...Mostly cloudy. Highs in the upper 50s to mid 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower
40s.
.SUNDAY...Mostly cloudy. Highs in the mid 50s to lower 60s.

$$

MTZ004-212200-
Lower Clark Fork Region-
Including the cities of Noxon, Thompson Falls, and Superior
1223 AM MDT Mon Sep 21 2026

.TODAY...Mostly sunny. Patchy fog early in the morning. Highs in
the mid 70s to lower 80s.
.TONIGHT...Mostly clear. Lows in the mid 40s to lower 50s.
.TUESDAY...Mostly cloudy. Highs in the mid 70s to lower 80s.
.TUESDAY NIGHT...Partly cloudy. Lows in the 40s to lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the upper 60s to mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the 40s to lower 50s.
.THURSDAY...Partly cloudy. Highs in the mid 70s to lower 80s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the mid 40s to lower
50s.
.FRIDAY...Mostly cloudy with a 40 percent chance of rain. Highs
in the 60s.
.FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. A 40 percent chance of rain. Lows in the upper 30s to mid
40s.
.SATURDAY...Partly cloudy. Highs in the mid 50s to lower 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower
40s.
.SUNDAY...Mostly cloudy. Highs in the mid 50s to lower 60s.

$$

MTZ005-212200-
Missoula/Bitterroot Valleys-
Including the cities of Hamilton and Darby
1223 AM MDT Mon Sep 21 2026

.TODAY...Mostly sunny. Patchy fog in the morning. Highs in the
mid 70s to lower 80s.
.TONIGHT...Mostly clear. Lows in the mid to upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid to upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the 40s.
.WEDNESDAY...Mostly sunny. Highs in the mid to upper 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid to upper 40s.
.THURSDAY...Partly cloudy. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows near 50.
.FRIDAY...Partly cloudy with a 20 percent chance of rain. Highs
near 70.
.FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. A 30 percent chance of rain. Lows near 40.
.SATURDAY...Partly cloudy. Highs in the lower to mid 60s.
.SATURDAY NIGHT...Partly cloudy. Lows near 40.
.SUNDAY...Mostly cloudy. A 20 percent chance of rain in the
afternoon. Highs in the lower to mid 60s.

$$

MTZ006-212200-
Bitterroot/Sapphire Mountains-
Including the city of Sula
1223 AM MDT Mon Sep 21 2026

.TODAY...Sunny. Highs in the upper 60s to mid 70s.
.TONIGHT...Mostly clear. Lows in the 40s.
.TUESDAY...Mostly cloudy. Highs in the upper 60s to mid 70s.
.TUESDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
in the upper 30s to mid 40s.
.WEDNESDAY...Mostly sunny. Highs in the upper 60s to mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the 40s.
.THURSDAY...Mostly sunny. Highs in the 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower
50s.
.FRIDAY...Partly cloudy with a 30 percent chance of rain. Highs
in the mid 60s to lower 70s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain.
Lows in the mid 30s to lower 40s.
.SATURDAY...Partly cloudy. Highs in the upper 50s to mid 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the 30s to lower 40s.
.SUNDAY...Mostly cloudy. Highs in the mid 50s to lower 60s.

$$

MTZ007-212200-
Butte/Blackfoot Region-
Including the cities of Anaconda, Deer Lodge, and Drummond
1223 AM MDT Mon Sep 21 2026

.TODAY...Sunny. Patchy fog early in the morning. Highs in the
upper 60s to mid 70s.
.TONIGHT...Mostly clear. Lows in the upper 30s to mid 40s.
.TUESDAY...Mostly cloudy. Highs in the upper 60s to mid 70s.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
in the evening, then partly cloudy after midnight. Lows in the
upper 30s to mid 40s.
.WEDNESDAY...Mostly sunny. Highs in the upper 60s to mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the 40s.
.THURSDAY...Mostly sunny. Highs in the 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the 40s.
.FRIDAY...Partly cloudy. Highs in the upper 60s to mid 70s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain.
Lows in the mid 30s to lower 40s.
.SATURDAY...Partly cloudy. Highs in the upper 50s to mid 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the 30s.
.SUNDAY...Mostly cloudy. A 20 percent chance of rain in the
afternoon. Highs in the upper 50s to mid 60s.

$$

MTZ043-212200-
Potomac/Seeley Lake Region-
Including the cities of East Missoula, Seeley Lake, and Clinton
1223 AM MDT Mon Sep 21 2026

.TODAY...Mostly sunny. Patchy fog early in the morning. Highs in
the 70s.
.TONIGHT...Mostly clear. Lows in the 40s.
.TUESDAY...Partly cloudy. Highs in the upper 60s to mid 70s.
.TUESDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
in the 40s.
.WEDNESDAY...Mostly sunny. Highs in the upper 60s to mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the 40s.
.THURSDAY...Partly cloudy. Highs in the 70s to lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower
50s.
.FRIDAY...Partly cloudy. Highs in the mid 60s to lower 70s.
.FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. A 20 percent chance of rain. Lows in the upper 30s to mid
40s.
.SATURDAY...Partly cloudy. Highs in the mid 50s to lower 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the 30s to lower 40s.
.SUNDAY...Mostly cloudy. Highs in the mid 50s to lower 60s.

$$

IDZ009-212200-
Western Lemhi County-
Including the city of Shoup
1223 AM MDT Mon Sep 21 2026

.TODAY...Sunny. Highs in the 70s.
.TONIGHT...Mostly clear. Lows in the mid 40s to lower 50s.
.TUESDAY...Mostly cloudy. Highs in the upper 60s to mid 70s.
.TUESDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
in the mid 40s to lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid
50s.
.THURSDAY...Mostly sunny. Highs in the mid 70s to lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid
50s.
.FRIDAY...Partly cloudy. Highs in the upper 60s to mid 70s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain.
Lows in the 40s.
.SATURDAY...Partly cloudy. Highs in the 60s.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the 40s.
.SUNDAY...Mostly cloudy. Highs in the 60s.

$$

IDZ010-212200-
Eastern Lemhi County-
Including the cities of Salmon and Leadore
1223 AM MDT Mon Sep 21 2026

.TODAY...Mostly sunny. Highs in the upper 60s to mid 70s.
.TONIGHT...Mostly clear. Lows in the 40s.
.TUESDAY...Mostly cloudy. Highs in the upper 60s to mid 70s.
.TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
in the evening, then partly cloudy after midnight. Lows in the
40s.
.WEDNESDAY...Mostly sunny. Highs in the upper 60s to mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the 40s to lower 50s.
.THURSDAY...Mostly sunny. Highs in the 70s to lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower
50s.
.FRIDAY...Partly cloudy. Highs in the upper 60s to mid 70s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain.
Lows in the 40s.
.SATURDAY...Partly cloudy. Highs in the 60s.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the upper 30s to mid 40s.
.SUNDAY...Mostly cloudy. Highs in the 60s.

$$

IDZ005-212200-
Northern Clearwater Mountains-
Including the cities of Pierce and Elk River
1123 PM PDT Sun Sep 20 2026

.TODAY...Sunny. Patchy fog in the morning. Highs in the mid 70s
to lower 80s.
.TONIGHT...Mostly clear. Lows in the 40s.
.TUESDAY...Mostly cloudy. Highs in the 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 30s to mid 40s.
.WEDNESDAY...Mostly sunny. Highs in the upper 60s to mid 70s.
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the upper 30s to mid 40s.
.THURSDAY...Partly cloudy. Highs in the mid 70s to lower 80s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the 40s.
.FRIDAY...Mostly cloudy with a 40 percent chance of rain. Highs
in the 60s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of rain.
Lows in the mid 30s to lower 40s.
.SATURDAY...Partly cloudy. Highs in the upper 50s to mid 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the 30s.
.SUNDAY...Mostly cloudy. Highs in the mid 50s to lower 60s.

$$

IDZ006-212200-
Southern Clearwater Mountains-
Including the cities of Powell, Elk City, and Dixie
1123 PM PDT Sun Sep 20 2026

.TODAY...Sunny. Patchy fog in the morning. Highs 69 to 84.
.TONIGHT...Partly cloudy. Lows 39 to 54.
.TUESDAY...Mostly cloudy. Highs 65 to 80.
.TUESDAY NIGHT...Mostly clear. Lows 38 to 52.
.WEDNESDAY...Mostly sunny. Highs 63 to 77.
.WEDNESDAY NIGHT...Partly cloudy. Lows 39 to 52.
.THURSDAY...Partly cloudy. Highs 70 to 85.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows 40 to 53.
.FRIDAY...Mostly cloudy with a 30 percent chance of rain. Highs
56 to 70.
.FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. A 40 percent chance of rain. Lows 34 to 47.
.SATURDAY...Partly cloudy. Highs 51 to 65.
.SATURDAY NIGHT...Partly cloudy. Lows 32 to 45.
.SUNDAY...Mostly cloudy. Highs 51 to 65.

$$

IDZ007-212200-
Orofino/Grangeville Region-
Including the city of Kooskia
1123 PM PDT Sun Sep 20 2026

.TODAY...Sunny. Highs in the mid 70s to upper 80s.
.TONIGHT...Partly cloudy. Lows in the upper 40s to mid 50s.
.TUESDAY...Mostly cloudy. Highs in the 70s to lower 80s.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the 60s to upper 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower
50s.
.THURSDAY...Partly cloudy. Highs in the 70s to mid 80s.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the upper 40s to mid 50s.
.FRIDAY...Mostly cloudy with a 40 percent chance of rain. Highs
in the 60s to lower 70s.
.FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. A 30 percent chance of rain. Lows in the 40s.
.SATURDAY...Partly cloudy. Highs in the 50s to upper 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 30s to mid
40s.
.SUNDAY...Mostly cloudy. Highs in the upper 50s to mid 60s.

$$

IDZ008-212200-
Lower Hells Canyon/Salmon River Region-
Including the cities of Riggins and White Bird
1123 PM PDT Sun Sep 20 2026

.TODAY...Mostly sunny. Highs 76 to 89.
.TONIGHT...Partly cloudy. Lows in the 50s to lower 60s. South
winds to 15 mph.
.TUESDAY...Mostly cloudy. Highs in the 70s to mid 80s.
.TUESDAY NIGHT...Mostly clear. Lows in the 50s.
.WEDNESDAY...Mostly sunny. Highs in the 70s to mid 80s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the 50s.
.THURSDAY...Partly cloudy. Highs 78 to 91.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the 50s.
.FRIDAY...Mostly cloudy with a 20 percent chance of rain. Highs
in the mid 60s to upper 70s.
.FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. A 30 percent chance of rain. Lows in the mid 40s to lower
50s.
.SATURDAY...Partly cloudy. Highs in the 60s to lower 70s.
.SATURDAY NIGHT...Partly cloudy. Lows in the 40s to lower 50s.
.SUNDAY...Mostly cloudy. Highs in the 60s to lower 70s.

$$