904
FPUS55 KMSO 192031
ZFPMSO

Zone Forecast Product
National Weather Service Missoula MT
230 PM MDT Tue Aug 19 2025

MTZ001-201000-
Kootenai/Cabinet Region-
Including the cities of Libby and Eureka
230 PM MDT Tue Aug 19 2025

.TONIGHT...Partly cloudy. Lows in the 50s.
.WEDNESDAY...Mostly sunny. Highs in the 80s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower
50s.
.THURSDAY...Sunny. Highs in the 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s.
.FRIDAY...Sunny. Highs in the mid 80s to lower 90s.
.FRIDAY NIGHT...Clear. Lows in the upper 40s to mid 50s.
.SATURDAY...Sunny. Highs in the upper 80s to mid 90s.
.SATURDAY NIGHT...Mostly clear. 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 in the upper 80s to mid 90s.

$$

MTZ002-201000-
West Glacier Region-
Including the city of Swan Lake
230 PM MDT Tue Aug 19 2025

.TONIGHT...Mostly cloudy. Chance of rain showers and a slight
chance of thunderstorms until early morning, then areas of rain
late in the night. Chance of precipitation 40 percent. Lows in
the 50s.
.WEDNESDAY...Mostly sunny. Highs in the 70s to lower 80s.
Southwest winds to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower
50s. West winds to 15 mph.
.THURSDAY...Mostly sunny. Highs in the 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s.
Northeast winds to 15 mph.
.FRIDAY...Sunny. Highs in the 70s.
.FRIDAY NIGHT...Clear. Lows in the mid 40s to lower 50s.
.SATURDAY...Sunny. Highs in the mid 70s to lower 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
.SUNDAY...Mostly sunny. Highs in the upper 70s to mid 80s.
.SUNDAY NIGHT...Mostly clear. Lows in the 50s.
.MONDAY...Mostly sunny. Highs in the upper 70s to mid 80s.
.MONDAY NIGHT...Mostly clear. Lows in the 50s.
.TUESDAY...Mostly sunny. Highs in the upper 70s to mid 80s.

$$

MTZ003-201000-
Flathead/Mission Valleys-
Including the cities of Kalispell, Polson, and St. Ignatius
230 PM MDT Tue Aug 19 2025

.TONIGHT...Partly cloudy then becoming mostly cloudy in the late
evening and early morning then becoming partly cloudy. Slight
chance of showers and thunderstorms in the evening, then areas of
rain after midnight. Chance of precipitation 30 percent. Lows in
the 50s.
.WEDNESDAY...Mostly sunny. Highs in the 80s to lower 90s.
Southwest winds to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower
50s. West winds to 15 mph.
.THURSDAY...Sunny. Highs in the 80s.
.THURSDAY NIGHT...Clear. Lows in the mid 40s to lower 50s.
.FRIDAY...Sunny. Highs in the 80s.
.FRIDAY NIGHT...Clear. Lows in the mid 40s to lower 50s.
.SATURDAY...Sunny. Highs in the mid 80s to lower 90s.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
.SUNDAY...Mostly sunny. Highs in the mid 80s to lower 90s.
.SUNDAY NIGHT...Mostly clear. Lows in the 50s.
.MONDAY...Mostly sunny. Highs in the mid 80s to lower 90s.
.MONDAY NIGHT...Mostly clear. Lows in the 50s.
.TUESDAY...Mostly sunny. Highs in the mid 80s to lower 90s.

$$

MTZ004-201000-
Lower Clark Fork Region-
Including the cities of Noxon, Thompson Falls, and Superior
230 PM MDT Tue Aug 19 2025

.TONIGHT...Partly cloudy then becoming mostly cloudy late in the
evening then becoming partly cloudy. Chance of showers and
thunderstorms in the evening, then slight chance of rain after
midnight. Chance of precipitation 40 percent. Lows in the 50s.
.WEDNESDAY...Mostly sunny. Highs in the 80s. West winds to
15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s to mid
50s. West winds to 15 mph.
.THURSDAY...Mostly sunny. Highs in the 80s.
.THURSDAY NIGHT...Clear. Lows in the upper 40s to mid 50s.
.FRIDAY...Sunny. Highs in the 80s.
.FRIDAY NIGHT...Clear. Lows in the upper 40s to mid 50s.
.SATURDAY...Mostly sunny. Highs in the mid 80s to lower 90s.
.SATURDAY NIGHT...Mostly clear. Lows in the 50s.
.SUNDAY...Mostly sunny. Highs in the mid 80s to lower 90s.
.SUNDAY NIGHT...Partly cloudy. Lows in the 50s to lower 60s.
.MONDAY...Mostly sunny. Highs in the mid 80s to lower 90s.
.MONDAY NIGHT...Mostly clear. Lows in the 50s to lower 60s.
.TUESDAY...Mostly sunny. Highs in the mid 80s to lower 90s.

$$

MTZ005-201000-
Missoula/Bitterroot Valleys-
Including the cities of Hamilton and Darby
230 PM MDT Tue Aug 19 2025

.TONIGHT...Mostly cloudy with a chance of showers and
thunderstorms in the evening, then partly cloudy with areas of
rain after midnight. Chance of precipitation 50 percent. Lows in
the 50s.
.WEDNESDAY...Mostly sunny. A 20 percent chance of showers and
thunderstorms in the afternoon. Highs in the mid to upper 80s.
Northwest winds to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows near 50. Northwest winds to
15 mph.
.THURSDAY...Mostly sunny. Highs in the 80s.
.THURSDAY NIGHT...Mostly clear. Lows near 50.
.FRIDAY...Sunny. Highs in the mid to upper 80s.
.FRIDAY NIGHT...Mostly clear. Lows near 50.
.SATURDAY...Mostly sunny. Highs near 90.
.SATURDAY NIGHT...Mostly clear. Lows in the lower to mid 50s.
.SUNDAY...Partly cloudy. Highs near 90.
.SUNDAY NIGHT...Partly cloudy. Lows in the 50s.
.MONDAY...Mostly sunny. Highs near 90.
.MONDAY NIGHT...Mostly clear. Lows in the lower to mid 50s.
.TUESDAY...Mostly sunny. Highs near 90.

$$

MTZ006-201000-
Bitterroot/Sapphire Mountains-
Including the city of Sula
230 PM MDT Tue Aug 19 2025

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

$$

MTZ007-201000-
Butte/Blackfoot Region-
Including the cities of Anaconda, Deer Lodge, and Drummond
230 PM MDT Tue Aug 19 2025

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

$$

MTZ043-201000-
Potomac/Seeley Lake Region-
Including the cities of East Missoula, Seeley Lake, and Clinton
230 PM MDT Tue Aug 19 2025

.TONIGHT...Mostly cloudy until early morning then becoming partly
cloudy. Chance of showers and thunderstorms in the evening, then
areas of rain after midnight. Chance of precipitation 40 percent.
Lows in the 50s.
.WEDNESDAY...Mostly sunny. Highs in the 80s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower
50s.
.THURSDAY...Mostly sunny. Highs in the upper 70s to mid 80s.
.THURSDAY NIGHT...Clear. Lows in the 40s to lower 50s.
.FRIDAY...Mostly sunny. Highs in the upper 70s to mid 80s.
.FRIDAY NIGHT...Clear. Lows in the 40s to lower 50s.
.SATURDAY...Mostly sunny. Highs in the 80s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s.
.SUNDAY...Mostly sunny. Highs in the 80s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
.MONDAY...Partly cloudy. Highs in the 80s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
.TUESDAY...Mostly sunny. Highs in the 80s.

$$

IDZ009-201000-
Western Lemhi County-
Including the city of Shoup
230 PM MDT Tue Aug 19 2025

.TONIGHT...Partly cloudy. A 20 percent chance of rain in the
evening. Lows in the mid 50s to lower 60s.
.WEDNESDAY...Partly cloudy. Chance of rain showers and a slight
chance of thunderstorms in the afternoon. Chance of precipitation
30 percent. Highs in the 80s.
.WEDNESDAY NIGHT...Mostly clear. A 20 percent chance of rain in
the evening. Lows in the 50s.
.THURSDAY...Sunny. Highs in the 80s.
.THURSDAY NIGHT...Clear. Lows in the 50s.
.FRIDAY...Sunny. Highs in the mid 80s to lower 90s.
.FRIDAY NIGHT...Mostly clear. Lows in the 50s to lower 60s.
.SATURDAY...Mostly sunny. Highs in the mid 80s to lower 90s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s to mid
60s.
.SUNDAY...Partly cloudy. Highs in the 80s to lower 90s.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the mid 50s to lower 60s.
.MONDAY...Partly cloudy. Highs in the 80s.
.MONDAY NIGHT...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.

$$

IDZ010-201000-
Eastern Lemhi County-
Including the cities of Salmon and Leadore
230 PM MDT Tue Aug 19 2025

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

$$

IDZ005-201000-
Northern Clearwater Mountains-
Including the cities of Pierce and Elk River
130 PM PDT Tue Aug 19 2025

.TONIGHT...Partly cloudy then becoming mostly cloudy late in the
evening then becoming mostly clear. Slight chance of showers and
thunderstorms early in the evening, then slight chance of rain
late in the evening. Chance of precipitation 20 percent. Lows in
the mid 40s to lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s to mid 80s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower
50s.
.THURSDAY...Sunny. Highs in the 80s.
.THURSDAY NIGHT...Clear. Lows in the 40s to lower 50s.
.FRIDAY...Sunny. Highs in the upper 80s to mid 90s.
.FRIDAY NIGHT...Clear. Lows in the mid 40s to lower 50s.
.SATURDAY...Mostly sunny. Highs in the 90s.
.SATURDAY NIGHT...Partly cloudy. Lows in the 50s.
.SUNDAY...Partly cloudy. Highs in the 90s.
.SUNDAY NIGHT...Partly cloudy. Lows in the 50s.
.MONDAY...Mostly sunny. Highs in the upper 80s to mid 90s.
.MONDAY NIGHT...Mostly clear. Lows in the 50s.
.TUESDAY...Mostly sunny. Highs in the upper 80s to mid 90s.

$$

IDZ006-201000-
Southern Clearwater Mountains-
Including the cities of Powell, Elk City, and Dixie
130 PM PDT Tue Aug 19 2025

.TONIGHT...Mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms early in the evening, then partly
cloudy with areas of rain in the late evening and overnight.
Patchy fog late in the night. Chance of precipitation 30 percent.
Lows 42 to 57.
.WEDNESDAY...Mostly sunny. Highs 72 to 87.
.WEDNESDAY NIGHT...Mostly clear. Lows 41 to 56.
.THURSDAY...Sunny. Highs 74 to 89.
.THURSDAY NIGHT...Clear. Lows 42 to 57.
.FRIDAY...Sunny. Highs 81 to 96.
.FRIDAY NIGHT...Mostly clear. Lows 44 to 59.
.SATURDAY...Mostly sunny. Highs 85 to 100.
.SATURDAY NIGHT...Partly cloudy. Lows 49 to 64.
.SUNDAY...Partly cloudy. Highs 82 to 97.
.SUNDAY NIGHT...Partly cloudy. Lows 49 to 64.
.MONDAY...Mostly sunny. Highs 81 to 96.
.MONDAY NIGHT...Mostly clear. Lows 48 to 63.
.TUESDAY...Mostly sunny. Highs 79 to 94.

$$

IDZ007-201000-
Orofino/Grangeville Region-
Including the city of Kooskia
130 PM PDT Tue Aug 19 2025

.TONIGHT...Partly cloudy. Slight chance of showers and
thunderstorms early in the evening, then slight chance of rain
late in the evening. Chance of precipitation 20 percent. Lows in
the mid 50s to lower 60s.
.WEDNESDAY...Mostly sunny. Highs in the 80s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the 50s to lower 60s.
.THURSDAY...Sunny. Highs in the mid 80s to lower 90s.
.THURSDAY NIGHT...Clear. Lows in the 50s.
.FRIDAY...Sunny. Highs in the 80s to upper 90s.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s.
.SATURDAY...Mostly sunny. Highs 93 to 101.
.SATURDAY NIGHT...Partly cloudy. Lows in the 60s.
.SUNDAY...Partly cloudy. Highs 91 to 101.
.SUNDAY NIGHT...Partly cloudy. Lows in the 60s.
.MONDAY...Mostly sunny. Highs 90 to 100.
.MONDAY NIGHT...Mostly clear. Lows in the upper 50s to mid 60s.
.TUESDAY...Mostly sunny. Highs in the 80s to upper 90s.

$$

IDZ008-201000-
Lower Hells Canyon/Salmon River Region-
Including the cities of Riggins and White Bird
130 PM PDT Tue Aug 19 2025

.TONIGHT...Partly cloudy. Lows in the upper 50s to mid 60s.
.WEDNESDAY...Sunny. Highs 79 to 92.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s to lower
60s.
.THURSDAY...Sunny. Highs 81 to 94.
.THURSDAY NIGHT...Clear. Lows in the upper 50s to mid 60s.
.FRIDAY...Sunny. Highs upper 80s to 100.
.FRIDAY NIGHT...Mostly clear. Lows in the 60s to lower 70s.
.SATURDAY...Mostly sunny. Highs 90 to 104.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the mid 60s to lower 70s.
.SUNDAY...Partly cloudy. Highs 89 to 102.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s to lower 70s.
.MONDAY...Mostly sunny. Highs 86 to 100.
.MONDAY NIGHT...Mostly clear. Lows in the 60s.
.TUESDAY...Mostly sunny. Highs 85 to 98.

$$