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

44°F

7°C

Humidity 78%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 02 Oct 01:45 AM MDT
Extended Forecast for

8 Miles WNW Elliston MT

  • Overnight

    Overnight: Areas of frost after 4am. Otherwise, mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Areas Frost

  • Thursday

    Thursday: A 20 percent chance of showers after 4pm. Areas of frost before 9am. Otherwise, increasing clouds, with a high near 68. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 68 °F

    Areas Frost
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after midnight. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 36. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Chance
    Showers then
    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: Showers. Patchy fog before 9am. High near 58. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 30. West wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after noon. Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Rain showers likely before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 24 °F

    Showers
    Likely then
    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow showers before noon, then a chance of rain showers. Snow level 5600 feet. Partly sunny, with a high near 48.

    High: 48 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Widespread frost after midnight. Otherwise, partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy
    then Frost

Detailed Forecast

Overnight
Areas of frost after 4am. Otherwise, mostly clear, with a low around 32. Calm wind.
Thursday
A 20 percent chance of showers after 4pm. Areas of frost before 9am. Otherwise, increasing clouds, with a high near 68. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Showers likely, mainly after midnight. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 36. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers. Patchy fog before 9am. High near 58. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 30. West wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly after noon. Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain showers likely before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
A chance of rain and snow showers before noon, then a chance of rain showers. Snow level 5600 feet. Partly sunny, with a high near 48.
Sunday Night
Widespread frost after midnight. Otherwise, partly cloudy, with a low around 16.
Monday
Widespread frost before 11am. Otherwise, sunny, with a high near 55.
Monday Night
Widespread frost. Otherwise, clear, with a low around 19.
Tuesday
Widespread frost. Otherwise, sunny, with a high near 61.
Tuesday Night
Widespread frost. Otherwise, mostly clear, with a low around 24.
Wednesday
Widespread frost. Otherwise, sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Elliston MT
 46.6°N 112.6°W (Elev. 4739 ft)
Last Update:
2:31 pm MDT Oct 1, 2025
Forecast Valid:
2am MDT Oct 2, 2025-6pm MDT Oct 8, 2025
 
Forecast Discussion
 
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Additional Resources

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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