Current conditions at
Garrison I-90 MP 174.4 (MTGAR)
Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.NA
46°F
8°C
| Humidity | 62% |
| Wind Speed | E 3 MPH |
| Barometer | NA |
| Dewpoint | 34°F (1°C) |
| Visibility | NA |
| Last update | 06 Apr 12:30 AM MDT |
Extended Forecast for
12 Miles W Marysville MT
Overnight

Low: 29 °F
Mostly Cloudy
and BlusteryMonday

High: 45 °F
Partly Sunny
Monday Night
Low: 34 °F
Partly Cloudy
then Partly
Cloudy and
BreezyTuesday
High: 40 °F
Windy. Sunny
then Chance
SnowTuesday Night
Low: 22 °F
Windy. Slight
Chance Snow
then Partly
CloudyWednesday
High: 33 °F
Breezy.
Slight Chance
Snow then
Mostly SunnyWednesday Night
Low: 23 °F
Partly Cloudy
and Blustery
then Mostly
ClearThursday

High: 38 °F
Sunny
Thursday Night

Low: 24 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 29. Blustery, with a north northeast wind 20 to 22 mph.
Monday
Partly sunny, with a high near 45. East northeast wind 13 to 20 mph becoming west southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 34. Breezy, with a southwest wind 16 to 23 mph.
Tuesday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 40. Windy, with a west southwest wind 26 to 31 mph increasing to 39 to 44 mph in the afternoon. Winds could gust as high as 49 mph. Little or no snow accumulation expected.
Tuesday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 22. Windy, with a west wind 41 to 46 mph decreasing to 29 to 34 mph after midnight. Winds could gust as high as 49 mph.
Wednesday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 33. Breezy.
Wednesday Night
Partly cloudy, with a low around 23. Blustery.
Thursday
Sunny, with a high near 38.
Thursday Night
Mostly clear, with a low around 24.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 32.
Saturday
A chance of rain. Partly sunny, with a high near 49.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST
Point Forecast:
12 Miles W Marysville MT
46.77°N 112.54°W (Elev. 8199 ft)
46.77°N 112.54°W (Elev. 8199 ft)
12:22 am MDT Apr 6, 2026
12am MDT Apr 6, 2026-6pm MDT Apr 12, 2026


