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

32°F

0°C

Humidity 93%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 07 Oct 12:15 AM MDT
Extended Forecast for

7 Miles NW Garrison MT

  • Overnight

    Overnight: Patchy fog after 2am. Widespread frost. Otherwise, mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Frost and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Widespread frost before 10am. Otherwise, sunny, with a high near 66. Calm wind.

    High: 66 °F

    Frost and
    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost, mainly after 2am. Otherwise, clear, with a low around 29. Light and variable wind.

    Low: 29 °F

    Mostly Clear
    then Frost

  • Wednesday

    Wednesday: Widespread frost before 10am. Otherwise, sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost, mainly after 3am. Otherwise, clear, with a low around 30. Calm wind becoming southeast around 5 mph.

    Low: 30 °F

    Clear then
    Frost

  • Thursday

    Thursday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 71.

    High: 71 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Friday

    Friday: A slight chance of rain after noon. Widespread frost before 9am. Otherwise, sunny, with a high near 75.

    High: 75 °F

    Frost then
    Slight Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Overnight
Patchy fog after 2am. Widespread frost. Otherwise, mostly clear, with a low around 25. Calm wind.
Tuesday
Patchy fog before 7am. Widespread frost before 10am. Otherwise, sunny, with a high near 66. Calm wind.
Tuesday Night
Widespread frost, mainly after 2am. Otherwise, clear, with a low around 29. Light and variable wind.
Wednesday
Widespread frost before 10am. Otherwise, sunny, with a high near 70. Light and variable wind.
Wednesday Night
Widespread frost, mainly after 3am. Otherwise, clear, with a low around 30. Calm wind becoming southeast around 5 mph.
Thursday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 71.
Thursday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32.
Friday
A slight chance of rain after noon. Widespread frost before 9am. Otherwise, sunny, with a high near 75.
Friday Night
A chance of rain. Mostly cloudy, with a low around 35.
Saturday
Rain likely. Mostly cloudy, with a high near 61.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 26.
Sunday
Rain and snow likely. Snow level 5200 feet. Mostly cloudy, with a high near 46.
Sunday Night
A chance of rain and snow. Snow level 5200 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 19.
Columbus Day
A chance of rain and snow. Snow level 4300 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NW Garrison MT
 46.59°N 112.94°W (Elev. 4155 ft)
Last Update:
2:31 pm MDT Oct 6, 2025
Forecast Valid:
12am MDT Oct 7, 2025-6pm MDT Oct 13, 2025
 
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Additional Resources

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Chance of Precipitation