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

34°F

1°C

Humidity 57%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 03 Mar 09:30 PM MST
Extended Forecast for

Elliston MT

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southwest wind around 7 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 4pm. Snow level 5200 feet rising to 6700 feet in the afternoon. Mostly cloudy, with a high near 49. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 2am. Snow level 6600 feet lowering to 5000 feet after midnight . Low around 29. West wind 6 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Rain/Snow

  • Thursday

    Thursday: Snow. High near 39. West wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 25. West wind 8 to 17 mph, with gusts as high as 28 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 39. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Snow level rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Southwest wind around 7 mph.
Wednesday
A 30 percent chance of rain, mainly after 4pm. Snow level 5200 feet rising to 6700 feet in the afternoon. Mostly cloudy, with a high near 49. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Rain and snow, becoming all snow after 2am. Snow level 6600 feet lowering to 5000 feet after midnight . Low around 29. West wind 6 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow. High near 39. West wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. 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 8 to 17 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 39. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 24.
Saturday
A slight chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Snow level rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 45.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 34.
Sunday
A chance of rain, mainly before 11am. Partly sunny, with a high near 49. Breezy.
Sunday Night
Rain likely. Mostly cloudy, with a low around 34. Breezy.
Monday
Rain and snow likely. Mostly cloudy, with a high near 46. Breezy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 21. Breezy.
Tuesday
Snow likely. Mostly cloudy, with a high near 35. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Elliston MT
 46.57°N 112.44°W (Elev. 5020 ft)
Last Update:
1:01 pm MST Mar 3, 2026
Forecast Valid:
9pm MST Mar 3, 2026-6pm MDT Mar 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation