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

31°F

-1°C

Humidity 68%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 03 Mar 10:45 PM MST
Extended Forecast for

10 Miles NW Elliston MT

  • Tonight

    Tonight: Partly cloudy, with a low around 29. South southwest wind around 5 mph.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly after 3pm. Snow level rising to 6600 feet in the afternoon. Mostly cloudy, with a high near 48. South wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain before 8pm, then rain and snow between 8pm and 11pm, then snow after 11pm. Snow level 6500 feet lowering to 5400 feet after midnight . Low around 30. West wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 38. West wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 25. West wind 6 to 15 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow. Partly sunny, with a high near 37. Little or no snow accumulation expected.

    High: 37 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 11am. Mostly cloudy, with a high near 44.

    High: 44 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A slight chance of rain. Snow level 6800 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. South southwest wind around 5 mph.
Wednesday
A 40 percent chance of rain, mainly after 3pm. Snow level rising to 6600 feet in the afternoon. Mostly cloudy, with a high near 48. South wind 5 to 8 mph becoming west northwest in the afternoon.
Wednesday Night
Rain before 8pm, then rain and snow between 8pm and 11pm, then snow after 11pm. Snow level 6500 feet lowering to 5400 feet after midnight . Low around 30. West wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely. Mostly cloudy, with a high near 38. West wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25. West wind 6 to 15 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 37. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 25.
Saturday
A slight chance of rain after 11am. Mostly cloudy, with a high near 44.
Saturday Night
A slight chance of rain. Snow level 6800 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 34.
Sunday
A slight chance of rain. Snow level 6000 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 49. Breezy.
Sunday Night
Rain likely. Snow level 6800 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 34.
Monday
Rain and snow likely. Mostly cloudy, with a high near 45. Breezy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22. Breezy.
Tuesday
Snow likely. Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NW Elliston MT
 46.64°N 112.58°W (Elev. 5381 ft)
Last Update:
1:01 pm MST Mar 3, 2026
Forecast Valid:
11pm MST Mar 3, 2026-6pm MDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation