FPUS65 KTFX 170913
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
312 AM MDT Sun May 17 2026

MTZ301>314-316>318-180000-
Central Montana-
National Weather Service Great Falls MT
313 AM MDT Sun May 17 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT FOR East Glacier Park Region...Southern Rocky Mountain
Front...Little Belt and Highwood Mountains...

.TODAY...Chance of rain in the morning. Chance of snow through
the day. Rain likely in the afternoon. Highs 40 to 45...30 to
40 in the mountains. Northwest winds 20 to 30 mph with gusts to
35 mph.
.TONIGHT...Mostly cloudy. Chance of rain and snow. Lows 25 to
30...20 to 25 in the mountains.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 45 to 55...35 to 45 in the mountains.
.TUESDAY...Partly cloudy. Lows 25 to 30. Highs 55 to 65.
.WEDNESDAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows 35 to 40. Highs 55 to 65.
.THURSDAY...Partly cloudy. Lows 35 to 40. Highs 60 to 70.

$$

MTZ315-319>330-180000-
Southwest Montana-
National Weather Service Great Falls MT
313 AM MDT Sun May 17 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT FOR Upper Blackfoot and MacDonald Pass...Big Belt,
Bridger and Castle Mountains...Elkhorn and Boulder Mountains...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT EARLY THIS
MORNING FOR Madison River Valley...Gallatin Valley...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT EARLY
THIS MORNING FOR Gallatin and Madison County Mountains and
Centennial Mountains...

.TODAY...Mostly cloudy. Chance of snow in the morning. Chance of
snow showers and slight chance of thunderstorms in the afternoon.
Highs 40 to 50...30 to 40 in the mountains. North winds 20 to
25 mph with gusts to 35 mph in the afternoon.
.TONIGHT...Mostly cloudy. Chance of snow through the night. Lows
25 to 30...20 to 25 in the mountains. North winds 20 to 25 mph in
the evening. Gusts up to 40 mph.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 45 to 55...35 to 45 in the mountains. Gusts up to
35 mph in the morning.
.TUESDAY...Partly cloudy. Lows 20 to 30. Highs 50 to 60.
.WEDNESDAY...Mostly cloudy. Chance of rain showers, slight chance
of thunderstorms and snow. Lows 30 to 35. Highs 50 to 60.
.THURSDAY...Partly cloudy. Lows 30 to 35. Highs 55 to 65.

$$