Montana Weather General Forecast

303
FPUS65 KTFX 151101
SFPMT

State Forecast For Montana
National Weather Service Great Falls MT
401 AM MST Mon Dec 15 2025

MTZ001.007-043-152300-
West of the Continental Divide-
National Weather Service Missoula MT
401 AM MST Mon Dec 15 2025

...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY AFTERNOON for Kootenai/Cabinet
Region...Flathead/Mission Valleys...Lower Clark Fork
Region...Missoula/Bitterroot Valleys...Bitterroot/Sapphire
Mountains...Butte/Blackfoot Region...Potomac/Seeley Lake
Region...
...WINTER STORM WATCH IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING for West Glacier Region...

.TODAY...Mostly cloudy with areas of rain. Highs in the mid 40s
to lower 50s.
.TONIGHT...Rain likely. Lows in the mid 30s.
.TUESDAY...Mostly cloudy with rain likely. Highs in the 40s.
.WEDNESDAY...Rain and snow likely. Lows in the upper 20s to mid
30s. Highs in the upper 30s to mid 40s.
.THURSDAY...Rain and snow likely. Lows in the 20s. Highs in the
30s to lower 40s.
.FRIDAY...Rain with snow likely. Lows in the mid 20s to lower
30s. Highs in the upper 30s to mid 40s.

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MTZ301.314-316.318-152300-
Central Montana-
National Weather Service Great Falls MT
401 AM MST Mon Dec 15 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST TUESDAY FOR
East Glacier Park Region...Northern High Plains...Eastern
Glacier, Western Toole, and Central Pondera...Eastern Toole and
Liberty...Southern Rocky Mountain Front...Southern High Plains...
...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 11 AM MST
TUESDAY FOR Hill County...Northern Blaine County...Eastern
Pondera and Eastern Teton...Western and Central Chouteau
County...Bears Paw Mountains and Southern Blaine...Fergus County
below 4500ft...Little Belt and Highwood Mountains...Snowy and
Judith Mountains...
...HIGH WIND WARNING REMAINS IN EFFECT FROM NOON TODAY TO 11 AM
MST TUESDAY FOR Cascade County below 5000ft...Judith Basin County
and Judith Gap...
...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING FOR Gates of the Mountains...

.TODAY...Mostly cloudy. Patchy blowing snow. Highs 50 to 60...
40 to 50 in the mountains. Southwest winds 20 to 30 mph. Gusts up
to 40 mph increasing to 50 mph in the afternoon.
.TONIGHT...Partly cloudy. Blowing snow in the evening. Patchy
blowing snow after midnight. Lows 30 to 40...25 to 35 in the
mountains. Southwest winds 25 to 35 mph with gusts to 60 mph.
.TUESDAY...Sunny then becoming partly cloudy in the afternoon
then becoming mostly cloudy.  and patchy blowing snow through the
day. Chance of snow through the day. Highs 40 to 50...35 to 45 in
the mountains. West winds 20 to 30 mph. Gusts up to 50 mph
decreasing to 40 mph in the afternoon and evening.
.WEDNESDAY...Mostly cloudy. Patchy blowing snow. Chance of rain
and snow. Lows 15 to 30. Highs 40 to 45.
.THURSDAY...Mostly cloudy. Patchy blowing snow. Chance of snow.
Lows 15 to 30. Highs 30 to 40.
.FRIDAY...Mostly cloudy. Chance of snow and rain. Lows 10 to 25.
Highs 35 to 45.
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MTZ315-319.330-152300-
Southwest Montana-
National Weather Service Great Falls MT
401 AM MST Mon Dec 15 2025

...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 11 AM MST
TUESDAY FOR Upper Blackfoot and MacDonald Pass...
...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING FOR Helena Valley...Big Belt, Bridger and
Castle Mountains...Meagher County Valleys...Elkhorn and Boulder
Mountains...Canyon Ferry Area...Missouri Headwaters...Madison
River Valley...Gallatin Valley...

.TODAY...Increasing clouds. Highs 45 to 55...35 to 45 in the
mountains. Southwest winds 20 to 25 mph with gusts to 35 mph in
the afternoon.
.TONIGHT...Mostly cloudy. Patchy blowing snow after midnight.
Slight chance of snow after midnight. Lows 30 to 40...25 to 35 in
the mountains. Southwest winds 20 to 30 mph with gusts to 45 mph.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Chance of snow through the day. Patchy blowing snow in
the evening. Highs 45 to 55...35 to 45 in the mountains.
Southwest winds 20 to 30 mph with gusts to 40 mph.
.WEDNESDAY...Patchy blowing snow. Rain and chance of snow. Lows
20 to 35. Highs 35 to 45.
.THURSDAY...Mostly cloudy. Patchy blowing snow. Chance of snow.
Lows 20 to 35. Highs 30 to 40.
.FRIDAY...Mostly cloudy. Chance of snow and rain. Lows 20 to 35.
Highs 35 to 45.
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MTZ016.027-059.062-152300-
Northeast Montana-
National Weather Service Glasgow MT
401 AM MST Mon Dec 15 2025

...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM
MST TUESDAY...

.TODAY...Mostly cloudy. Highs in the upper 30s to mid 40s.
.TONIGHT...Mostly cloudy. Lows in the lower to mid 30s.
.TUESDAY...Sunny in the morning then becoming partly cloudy. A
slight chance of light rain and freezing rain in the afternoon
and evening. Highs in the lower to mid 40s.
.WEDNESDAY...Mostly cloudy with a chance of light rain and snow.
Patchy blowing snow. Highs in the lower to mid 40s. Lows 10 to
20.
.THURSDAY...Partly cloudy with a slight chance of light snow.
Highs in the mid to upper 20s. Lows 5 to 15.
.FRIDAY...Mostly cloudy with a chance of light rain and a slight
chance of light snow. Highs near 40. Lows 5 to 15.

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MTZ028.042-056.058-063.068-152300-
South Central and Southeast Montana-
National Weather Service Billings MT
401 AM MST Mon Dec 15 2025

...High Wind Warning in effect from 5 PM this afternoon to 2 PM MST
   Tuesday for portions of South Central Montana...
...Wind Advisory in effect until 5 PM MST this afternoon for portions
   of South Central Montana...
...High Wind Warning in effect from 5 PM this afternoon to 11 AM MST
   Tuesday for portions of South Central Montana...

.TODAY...Strong crosswinds near Livingston. Mostly sunny. Highs
from the upper 50s west to the lower 40s east.
.TONIGHT...Dangerous crosswinds near Livingston. Mostly cloudy.
Lows in the lower 30s to the lower 40s.
.TUESDAY...Dangerous crosswinds near Livingston. Mostly sunny.
Highs in the lower 40s to the lower 50s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 20s to around
40.
.WEDNESDAY...Mostly cloudy. Rain likely and chance of snow west...
and chance of rain and snow east. Highs in the mid 40s to the mid
50s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Slight chance of
snow. Lows from the upper 20s west to the single digits above
zero east. Highs in the lower 30s to the lower 40s.
.THURSDAY NIGHT...Mostly cloudy. Slight chance of rain and snow
west...and slight chance of snow east. Lows in the lower 20s to
mid 30s.
.FRIDAY...Mostly cloudy. Chance of rain and snow. Highs in the
mid 40s to the mid 50s.

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