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

57°F

14°C

Humidity 25%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 09 Apr 02:45 PM MDT
Extended Forecast for

6 Miles E Elliston MT

  • Tonight

    Tonight: Mostly clear, with a low around 29. North northwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 18 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 57. East wind 5 to 9 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 38. East wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 57. Breezy, with a southwest wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Slight Chance
    Rain then
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 34. Southwest wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely
    then Chance
    Rain

  • Sunday

    Sunday: A chance of rain, then showers and possibly a thunderstorm after noon. Snow level 7100 feet rising to 7700 feet in the afternoon. High near 48. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 48 °F

    Chance Rain
    then Showers

  • Sunday Night

    Sunday Night: Rain, mainly before midnight. Snow level 7900 feet lowering to 7000 feet after midnight . Low around 32. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Rain then
    Chance Rain

  • Monday

    Monday: Rain and snow. Snow level 6500 feet. Cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before midnight. Snow level 6800 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 29. North northwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 57. East wind 5 to 9 mph.
Friday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 38. East wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Saturday
Rain, mainly between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 57. Breezy, with a southwest wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 34. Southwest wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of rain, then showers and possibly a thunderstorm after noon. Snow level 7100 feet rising to 7700 feet in the afternoon. High near 48. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain, mainly before midnight. Snow level 7900 feet lowering to 7000 feet after midnight . Low around 32. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain and snow. Snow level 6500 feet. Cloudy, with a high near 41.
Monday Night
A chance of rain and snow before midnight. Snow level 6800 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 29.
Tuesday
A slight chance of snow. Partly sunny, with a high near 42. Breezy.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 30. Breezy.
Wednesday
Snow likely. Mostly cloudy, with a high near 39. Breezy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 23. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Elliston MT
 46.56°N 112.32°W (Elev. 6168 ft)
Last Update:
2:00 pm MDT Apr 9, 2026
Forecast Valid:
3pm MDT Apr 9, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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