Zone Forecast Product
Issued by NWS Missoula, MT

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FPUS55 KMSO 222151
ZFPMSO

Zone Forecast Product
National Weather Service Missoula MT
350 PM MDT Fri Aug 22 2025

MTZ001-231000-
Kootenai/Cabinet Region-
Including the cities of Libby and Eureka
350 PM MDT Fri Aug 22 2025

.TONIGHT...Mostly clear. Lows in the mid 40s to lower 50s.
Northeast winds to 15 mph.
.SATURDAY...Mostly sunny. Highs in the upper 80s to mid 90s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid
50s.
.SUNDAY...Mostly sunny. Highs in the 90s.
.SUNDAY NIGHT...Mostly clear. Lows in the 50s.
.MONDAY...Mostly sunny. Highs in the 90s.
.MONDAY NIGHT...Mostly clear. Lows in the 50s.
.TUESDAY...Mostly sunny. Highs 93 to 100.
.TUESDAY NIGHT...Partly cloudy. Lows in the 50s to lower 60s.
.WEDNESDAY...Partly cloudy. Highs in the 90s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s to lower
60s.
.THURSDAY...Partly cloudy. Highs in the upper 80s to mid 90s.
.THURSDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the 50s to lower 60s.
.FRIDAY...Partly cloudy. Highs in the 80s to lower 90s.

$$

MTZ002-231000-
West Glacier Region-
Including the city of Swan Lake
350 PM MDT Fri Aug 22 2025

.TONIGHT...Mostly clear. Haze in the evening. Areas of smoke
early in the evening. Lows in the mid 40s to lower 50s. Northeast
winds to 15 mph.
.SATURDAY...Mostly sunny. Highs in the mid 70s to lower 80s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid
50s. East winds to 15 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s to mid 80s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
East winds to 15 mph.
.MONDAY...Mostly sunny. Highs in the 80s.
.MONDAY NIGHT...Mostly clear. Lows in the 50s.
.TUESDAY...Mostly sunny. Highs in the 80s.
.TUESDAY NIGHT...Partly cloudy. Lows in the 50s.
.WEDNESDAY...Partly cloudy. Highs in the upper 70s to mid 80s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the 50s to lower 60s.
.THURSDAY...Partly cloudy. Highs in the mid 70s to lower 80s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the 50s.
.FRIDAY...Partly cloudy. Highs in the 70s.

$$

MTZ003-231000-
Flathead/Mission Valleys-
Including the cities of Kalispell, Polson, and St. Ignatius
350 PM MDT Fri Aug 22 2025

.TONIGHT...Mostly clear. Haze late in the evening. Lows in the
mid 40s to lower 50s. Northeast winds to 15 mph.
.SATURDAY...Mostly sunny. Highs in the 80s to lower 90s.
.SATURDAY NIGHT...Partly cloudy. Haze in the evening. Lows in the
upper 40s to mid 50s.
.SUNDAY...Partly cloudy. Highs in the mid 80s to lower 90s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
.MONDAY...Mostly sunny. Highs in the upper 80s to mid 90s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
.TUESDAY...Mostly sunny. Highs in the upper 80s to mid 90s.
.TUESDAY NIGHT...Partly cloudy. Lows in the 50s.
.WEDNESDAY...Partly cloudy. Highs in the upper 80s to mid 90s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the 50s.
.THURSDAY...Partly cloudy. Highs in the 80s to lower 90s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the 50s.
.FRIDAY...Partly cloudy. Highs in the 80s.

$$

MTZ004-231000-
Lower Clark Fork Region-
Including the cities of Noxon, Thompson Falls, and Superior
350 PM MDT Fri Aug 22 2025

.TONIGHT...Mostly clear. Haze early in the evening. Areas of
smoke late in the evening, then haze after midnight. Lows in the
upper 40s to mid 50s. Northeast winds to 15 mph.
.SATURDAY...Mostly sunny. Haze. Highs in the mid 80s to lower
90s.
.SATURDAY NIGHT...Partly cloudy. Areas of smoke in the evening.
Haze after midnight. Lows in the 50s.
.SUNDAY...Partly cloudy. Highs in the upper 80s to mid 90s.
.SUNDAY NIGHT...Partly cloudy. Lows in the 50s.
.MONDAY...Partly cloudy. Highs in the upper 80s to mid 90s.
.MONDAY NIGHT...Mostly clear. Lows in the 50s to lower 60s.
.TUESDAY...Partly cloudy. Highs in the upper 80s to mid 90s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s to lower 60s.
.WEDNESDAY...Partly cloudy. Highs in the mid 80s to lower 90s.
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the mid 50s to lower 60s.
.THURSDAY...Mostly cloudy. A 20 percent chance of rain in the
afternoon. Highs in the 80s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the 50s.
.FRIDAY...Partly cloudy. A 20 percent chance of rain in the
afternoon. Highs in the upper 70s to mid 80s.

$$

MTZ005-231000-
Missoula/Bitterroot Valleys-
Including the cities of Hamilton and Darby
350 PM MDT Fri Aug 22 2025

.TONIGHT...Mostly clear. Haze. Lows near 50. East winds to
15 mph. Gusts up to 30 mph.
.SATURDAY...Mostly sunny. Haze. Highs near 90.
.SATURDAY NIGHT...Partly cloudy. Haze. Lows in the lower to mid
50s. Northeast winds to 15 mph.
.SUNDAY...Partly cloudy. Highs near 90.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower to mid 50s.
.MONDAY...Partly cloudy. Highs in the lower 90s.
.MONDAY NIGHT...Partly cloudy. Lows in the lower to mid 50s.
.TUESDAY...Partly cloudy. Highs in the lower 90s.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the mid to upper 50s.
.WEDNESDAY...Partly cloudy. A 20 percent chance of showers and
thunderstorms in the afternoon. Highs near 90.
.WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of
rain. Lows in the mid to upper 50s.
.THURSDAY...Mostly cloudy with a 30 percent chance of rain. Highs
in the upper 70s to mid 80s.
.THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of showers
and thunderstorms in the evening. Lows in the lower to mid 50s.
.FRIDAY...Mostly cloudy. A 20 percent chance of showers and
thunderstorms in the afternoon. Highs in the lower to mid 80s.

$$

MTZ006-231000-
Bitterroot/Sapphire Mountains-
Including the city of Sula
350 PM MDT Fri Aug 22 2025

.TONIGHT...Mostly clear. Haze in the late evening and overnight.
Lows in the mid 40s to lower 50s. East winds to 15 mph.
.SATURDAY...Mostly sunny. Haze. Highs in the 80s.
.SATURDAY NIGHT...Partly cloudy. Haze in the evening. Lows in the
mid 40s to lower 50s.
.SUNDAY...Partly cloudy. Highs in the 80s.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the upper 40s to mid 50s.
.MONDAY...Partly cloudy. Highs in the upper 70s to mid 80s.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the upper 40s to mid 50s.
.TUESDAY...Partly cloudy. A 20 percent chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s to mid
80s.
.TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in
the evening. Lows in the 50s.
.WEDNESDAY...Mostly cloudy. Chance of rain showers and a slight
chance of thunderstorms in the afternoon. Chance of precipitation
40 percent. Highs in the mid 70s to lower 80s.
.WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of
rain. Lows in the upper 40s to mid 50s.
.THURSDAY...Mostly cloudy. Slight chance of rain in the morning,
then chance of rain showers and a slight chance of thunderstorms
in the afternoon. Chance of precipitation 50 percent. Highs in
the upper 60s to mid 70s.
.THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and a
slight chance of thunderstorms in the evening, then slight chance
of rain after midnight. Chance of precipitation 40 percent. Lows
in the upper 40s to mid 50s.
.FRIDAY...Mostly cloudy. Chance of rain showers and a slight
chance of thunderstorms in the afternoon. Chance of precipitation
40 percent. Highs in the upper 60s to mid 70s.

$$

MTZ007-231000-
Butte/Blackfoot Region-
Including the cities of Anaconda, Deer Lodge, and Drummond
350 PM MDT Fri Aug 22 2025

.TONIGHT...Mostly clear. Areas of smoke early in the evening.
Haze late in the evening. Lows in the 40s. East winds to 15 mph.
.SATURDAY...Mostly sunny. Highs in the upper 70s to mid 80s.
.SATURDAY NIGHT...Partly cloudy. Lows in the 40s to lower 50s.
Northeast winds to 15 mph.
.SUNDAY...Partly cloudy. Highs in the upper 70s to mid 80s.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s.
.MONDAY...Partly cloudy. Highs in the upper 70s to mid 80s.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s.
.TUESDAY...Partly cloudy. A 20 percent chance of rain in the
afternoon. Highs in the upper 70s to mid 80s.
.TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in
the evening. Lows in the upper 40s to mid 50s.
.WEDNESDAY...Mostly cloudy. Chance of rain showers and a slight
chance of thunderstorms in the afternoon. Chance of precipitation
40 percent. Highs in the upper 70s to mid 80s.
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of
rain. Lows in the upper 40s to mid 50s.
.THURSDAY...Mostly cloudy. Slight chance of rain in the morning,
then chance of rain showers and a slight chance of thunderstorms
in the afternoon. Chance of precipitation 40 percent. Highs in
the 70s.
.THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and a
slight chance of thunderstorms in the evening. Chance of
precipitation 30 percent. Lows in the mid 40s to lower 50s.
.FRIDAY...Mostly cloudy. Chance of rain showers and a slight
chance of thunderstorms in the afternoon. Chance of precipitation
40 percent. Highs in the 70s.

$$

MTZ043-231000-
Potomac/Seeley Lake Region-
Including the cities of East Missoula, Seeley Lake, and Clinton
350 PM MDT Fri Aug 22 2025

.TONIGHT...Mostly clear. Haze in the evening. Lows in the 40s.
East winds to 15 mph in the evening.
.SATURDAY...Mostly sunny. Highs in the 80s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower
50s.
.SUNDAY...Partly cloudy. Highs in the 80s to lower 90s.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s.
.MONDAY...Partly cloudy. Highs in the mid 80s to lower 90s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
.TUESDAY...Mostly sunny. Highs in the mid 80s to lower 90s.
.TUESDAY NIGHT...Partly cloudy. Lows in the 50s.
.WEDNESDAY...Partly cloudy. Highs in the 80s.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the 50s.
.THURSDAY...Mostly cloudy. A 20 percent chance of rain in the
afternoon. Highs in the upper 70s to mid 80s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the upper 40s to mid
50s.
.FRIDAY...Partly cloudy. A 20 percent chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s to lower
80s.

$$

IDZ009-231000-
Western Lemhi County-
Including the city of Shoup
350 PM MDT Fri Aug 22 2025

.TONIGHT...Mostly clear. Lows in the 50s.
.SATURDAY...Mostly sunny. Haze. Highs in the mid 80s to lower
90s.
.SATURDAY NIGHT...Partly cloudy. Haze. Lows in the mid 50s to
lower 60s.
.SUNDAY...Partly cloudy. Haze in the morning. Highs in the mid
80s to lower 90s.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 50s to lower 60s.
.MONDAY...Partly cloudy. Highs in the 80s.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the mid 50s to lower 60s.
.TUESDAY...Partly cloudy. A 20 percent chance of showers and
thunderstorms in the afternoon. Highs in the 80s.
.TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in
the evening. Lows in the mid 50s to lower 60s.
.WEDNESDAY...Mostly cloudy. Slight chance of rain in the morning,
then chance of rain showers and a slight chance of thunderstorms
in the afternoon. Chance of precipitation 40 percent. Highs in
the upper 70s to mid 80s.
.WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of
rain. Lows in the mid 50s to lower 60s.
.THURSDAY...Mostly cloudy. Slight chance of rain in the morning,
then chance of rain showers and a slight chance of thunderstorms
in the afternoon. Chance of precipitation 50 percent. Highs in
the 70s.
.THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and a
slight chance of thunderstorms in the evening, then slight chance
of rain after midnight. Chance of precipitation 30 percent. Lows
in the 50s.
.FRIDAY...Partly cloudy. Chance of rain showers and a slight
chance of thunderstorms in the afternoon. Chance of precipitation
30 percent. Highs in the 70s.

$$

IDZ010-231000-
Eastern Lemhi County-
Including the cities of Salmon and Leadore
350 PM MDT Fri Aug 22 2025

.TONIGHT...Mostly clear. Haze after midnight. Lows in the mid 40s
to lower 50s. Northeast winds to 15 mph.
.SATURDAY...Mostly sunny. Haze through the day. Highs in the 80s
to lower 90s.
.SATURDAY NIGHT...Partly cloudy. Haze. Lows in the upper 40s to
mid 50s.
.SUNDAY...Partly cloudy. Highs in the 80s to lower 90s.
.SUNDAY NIGHT...Mostly cloudy. Lows in the 50s.
.MONDAY...Partly cloudy. A 20 percent chance of showers and
thunderstorms in the afternoon. Highs in the 80s.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in
the evening, then partly cloudy after midnight. Lows in the upper
40s to mid 50s.
.TUESDAY...Partly cloudy. Chance of rain showers and a slight
chance of thunderstorms in the afternoon. Chance of precipitation
40 percent. Highs in the 80s.
.TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and a
slight chance of thunderstorms in the evening, then slight chance
of rain after midnight. Chance of precipitation 40 percent. Lows
in the 50s.
.WEDNESDAY...Mostly cloudy. A chance of rain in the morning, then
chance of rain showers and a slight chance of thunderstorms in
the afternoon. Chance of precipitation 50 percent. Highs in the
mid 70s to lower 80s.
.WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of
rain. Lows in the 50s.
.THURSDAY...Mostly cloudy. Slight chance of rain in the morning,
then chance of rain showers and a slight chance of thunderstorms
in the afternoon. Chance of precipitation 50 percent. Highs in
the 70s.
.THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and a
slight chance of thunderstorms in the evening, then slight chance
of rain after midnight. Chance of precipitation 40 percent. Lows
in the upper 40s to mid 50s.
.FRIDAY...Mostly cloudy. Slight chance of rain in the morning,
then chance of rain showers and a slight chance of thunderstorms
in the afternoon. Chance of precipitation 50 percent. Highs in
the 70s.

$$

IDZ005-231000-
Northern Clearwater Mountains-
Including the cities of Pierce and Elk River
250 PM PDT Fri Aug 22 2025

.TONIGHT...Mostly clear. Haze through the night. Areas of smoke
in the late evening and early morning. Lows in the upper 40s to
mid 50s. Northeast winds to 15 mph.
.SATURDAY...Mostly sunny. Haze through the day. Highs in the 90s.
.SATURDAY NIGHT...Partly cloudy. Haze after midnight. Lows in the
50s.
.SUNDAY...Partly cloudy. Haze in the morning. Hot. Highs in the
90s.
.SUNDAY NIGHT...Partly cloudy. Lows in the 50s.
.MONDAY...Partly cloudy. Highs in the 90s.
.MONDAY NIGHT...Partly cloudy. Lows in the 50s.
.TUESDAY...Mostly sunny. Highs in the 90s.
.TUESDAY NIGHT...Partly cloudy. Lows in the 50s.
.WEDNESDAY...Partly cloudy. Highs in the upper 80s to mid 90s.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the 50s.
.THURSDAY...Mostly cloudy with a 20 percent chance of rain. Highs
in the upper 70s to mid 80s.
.THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of showers
and thunderstorms in the evening. Lows in the upper 40s to mid
50s.
.FRIDAY...Partly cloudy. A 20 percent chance of rain in the
afternoon. Highs in the upper 70s to mid 80s.

$$

IDZ006-231000-
Southern Clearwater Mountains-
Including the cities of Powell, Elk City, and Dixie
250 PM PDT Fri Aug 22 2025

.TONIGHT...Mostly clear. Haze and areas of smoke. Lows 45 to 60.
.SATURDAY...Mostly sunny. Haze through the day. Areas of smoke in
the afternoon. Hot. Highs 83 to 98.
.SATURDAY NIGHT...Partly cloudy. Haze through the night. Areas of
smoke after midnight. Lows 47 to 62.
.SUNDAY...Partly cloudy. Hot. Highs 85 to 100.
.SUNDAY NIGHT...Partly cloudy. Lows 49 to 64.
.MONDAY...Partly cloudy. Highs 84 to 99.
.MONDAY NIGHT...Partly cloudy. Lows 49 to 64.
.TUESDAY...Partly cloudy. Highs 83 to 98.
.TUESDAY NIGHT...Mostly cloudy. Lows 50 to 65.
.WEDNESDAY...Partly cloudy. Chance of rain showers and a slight
chance of thunderstorms in the afternoon. Chance of precipitation
30 percent. Highs 79 to 94.
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of
rain. Lows 49 to 64.
.THURSDAY...Mostly cloudy. Slight chance of rain in the morning,
then chance of rain showers and a slight chance of thunderstorms
in the afternoon. Chance of precipitation 40 percent. Highs 71 to
86.
.THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and a
slight chance of thunderstorms in the evening. Chance of
precipitation 30 percent. Lows 46 to 61.
.FRIDAY...Partly cloudy. Slight chance of rain in the morning,
then chance of rain showers and a slight chance of thunderstorms
in the afternoon. Chance of precipitation 30 percent. Highs 71 to
86.

$$

IDZ007-231000-
Orofino/Grangeville Region-
Including the city of Kooskia
250 PM PDT Fri Aug 22 2025

...HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 9 PM PDT
WEDNESDAY...

.TONIGHT...Mostly clear. Areas of smoke through the night. Haze
in the late evening and overnight. Lows in the mid 50s to lower
60s.
.SATURDAY...Mostly sunny. Haze and areas of smoke. Hot. Highs
91 to 101.
.SATURDAY NIGHT...Partly cloudy. Haze through the night. Lows in
the upper 50s to mid 60s.
.SUNDAY...Partly cloudy. Haze in the morning. Hot. Highs 93 to
102.
.SUNDAY NIGHT...Partly cloudy. Lows in the 60s.
.MONDAY...Partly cloudy. Highs 91 to 102.
.MONDAY NIGHT...Partly cloudy. Lows in the 60s.
.TUESDAY...Partly cloudy. Highs 90 to 101.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the 60s.
.WEDNESDAY...Partly cloudy. A 20 percent chance of rain in the
afternoon. Highs in the 80s to upper 90s.
.WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of
rain. Lows in the 60s.
.THURSDAY...Mostly cloudy with a 30 percent chance of rain. Highs
in the 80s to lower 90s.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers and thunderstorms in the evening, then partly cloudy
after midnight. Lows in the upper 50s to mid 60s.
.FRIDAY...Partly cloudy. A 20 percent chance of rain in the
afternoon. Highs in the 80s.

$$

IDZ008-231000-
Lower Hells Canyon/Salmon River Region-
Including the cities of Riggins and White Bird
250 PM PDT Fri Aug 22 2025

...HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 9 PM PDT
WEDNESDAY...

.TONIGHT...Mostly clear. Areas of smoke. Lows in the 60s.
.SATURDAY...Mostly sunny. Areas of smoke through the day. Haze in
the afternoon. Hot. Highs 90 to 102.
.SATURDAY NIGHT...Partly cloudy. Haze through the night. Lows in
the mid 60s to lower 70s.
.SUNDAY...Partly cloudy. Hot. Highs 90 to 103.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the mid 60s to lower 70s.
.MONDAY...Partly cloudy. Highs 87 to 100.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 60s to lower 70s.
.TUESDAY...Partly cloudy. Highs 86 to 99.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the mid 60s to lower 70s.
.WEDNESDAY...Partly cloudy. A 30 percent chance of rain in the
afternoon. Highs 82 to 95.
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of
rain. Lows in the 60s.
.THURSDAY...Mostly cloudy with a 40 percent chance of rain. Highs
in the 70s to upper 80s.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers and thunderstorms in the evening, then partly cloudy
after midnight. Lows in the upper 50s to mid 60s.
.FRIDAY...Partly cloudy. Slight chance of rain in the morning,
then slight chance of showers and thunderstorms in the afternoon.
Chance of precipitation 20 percent. Highs in the 70s to upper
80s.

$$