Current conditions at
Garrison I-90 MP 174.4 (MTGAR)
Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.NA
42°F
6°C
| Humidity | 41% |
| Wind Speed | WNW 3 MPH |
| Barometer | NA |
| Dewpoint | 20°F (-7°C) |
| Visibility | NA |
| Last update | 08 Apr 12:15 AM MDT |
Extended Forecast for
12 Miles W Marysville MT
Overnight
Low: 21 °F
Mostly Clear
and WindyWednesday
High: 37 °F
Sunny then
Sunny and
BreezyWednesday Night
Low: 26 °F
Mostly Clear
and Breezy
then Mostly
ClearThursday
High: 40 °F
Sunny
Thursday Night
Low: 26 °F
Mostly Clear
Friday
High: 50 °F
Mostly Sunny
Friday Night
Low: 36 °F
Slight Chance
Rain/Snow
then Mostly
CloudySaturday
High: 52 °F
Slight Chance
Rain/Snow
then Rain
LikelySaturday Night
Low: 33 °F
Rain/Snow
Likely
Detailed Forecast
Overnight
Mostly clear, with a low around 21. Windy, with a west wind 32 to 37 mph decreasing to 18 to 23 mph. Winds could gust as high as 40 mph.
Wednesday
Sunny, with a high near 37. Breezy, with a west wind 14 to 22 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 26. Breezy, with a west wind 14 to 22 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 40. Northwest wind around 14 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 26. North wind 14 to 16 mph becoming east after midnight. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 50.
Friday Night
A slight chance of rain and snow before 9pm, then a slight chance of rain between 9pm and midnight. Snow level 8800 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
Saturday
A slight chance of rain and snow before 9am, then rain likely. Snow level 8900 feet. Partly sunny, with a high near 52.
Saturday Night
Rain and snow likely before 3am, then a chance of snow. Snow level 9000 feet lowering to 8200 feet after midnight . Mostly cloudy, with a low around 33.
Sunday
Snow. Mostly cloudy, with a high near 37.
Sunday Night
Snow likely. Mostly cloudy, with a low around 26.
Monday
Snow. Mostly cloudy, with a high near 30.
Monday Night
A chance of snow. Mostly cloudy, with a low around 23.
Tuesday
A chance of snow. Partly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT 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 8, 2026
12am MDT Apr 8, 2026-6pm MDT Apr 14, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
