National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

NA

38°F

3°C

Humidity 84%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 07 Oct 10:30 PM MDT
Extended Forecast for

7 Miles ENE Garrison MT

  • Tonight

    Tonight: Mostly clear, with a low around 30. Southwest wind 3 to 7 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. South southwest wind around 6 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 32. Calm wind becoming southeast around 6 mph after midnight.

    Low: 32 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 70. East wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. East northeast wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 39. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: Rain. Mostly cloudy, with a high near 57.

    High: 57 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Rain
    then
    Rain/Snow
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Southwest wind 3 to 7 mph.
Wednesday
Sunny, with a high near 70. South southwest wind around 6 mph.
Wednesday Night
Clear, with a low around 32. Calm wind becoming southeast around 6 mph after midnight.
Thursday
Sunny, with a high near 70. East wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 33. East northeast wind 6 to 9 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 75.
Friday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 39. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. Mostly cloudy, with a high near 57.
Saturday Night
Rain likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 25.
Sunday
Rain and snow likely, becoming all rain after 3pm. Snow level 5300 feet. Mostly cloudy, with a high near 46.
Sunday Night
A chance of rain and snow. Snow level 5400 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 21.
Columbus Day
A chance of rain and snow. Snow level rising to 5400 feet in the afternoon. Partly sunny, with a high near 46.
Monday Night
A slight chance of rain and snow. Snow level 5600 feet lowering to 4900 feet after midnight . Partly cloudy, with a low around 21.
Tuesday
A slight chance of rain and snow. Snow level 5000 feet rising to 6600 feet in the afternoon. Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ENE Garrison MT
 46.57°N 112.66°W (Elev. 4596 ft)
Last Update:
2:30 pm MDT Oct 7, 2025
Forecast Valid:
10pm MDT Oct 7, 2025-6pm MDT Oct 14, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation