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

28°F

-2°C

Humidity 80%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 04 Mar 01:15 AM MST
Extended Forecast for

Elliston MT

  • Overnight

    Overnight: Partly cloudy, with a low around 29. Southwest wind around 6 mph.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 2pm. Snow level 5300 feet rising to 6700 feet in the afternoon. Increasing clouds, with a high near 49. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 49 °F

    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 11pm. Low around 28. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow. High near 37. West wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 24. West wind 8 to 17 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 37. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 24.

    Low: 24 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 45.

    High: 45 °F

    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 29. Southwest wind around 6 mph.
Wednesday
A 50 percent chance of rain after 2pm. Snow level 5300 feet rising to 6700 feet in the afternoon. Increasing clouds, with a high near 49. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Rain and snow, becoming all snow after 11pm. Low around 28. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow. High near 37. West wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24. West wind 8 to 17 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 37. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 24.
Saturday
A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 52. Breezy.
Sunday Night
Rain likely. Mostly cloudy, with a low around 34. Breezy.
Monday
Rain and snow likely. Mostly cloudy, with a high near 44. Windy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 19. Breezy.
Tuesday
Snow likely. Mostly cloudy, with a high near 33. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Elliston MT
 46.57°N 112.44°W (Elev. 5020 ft)
Last Update:
1:11 am MST Mar 4, 2026
Forecast Valid:
1am MST Mar 4, 2026-6pm MDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation