National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged dangerous winter storm conditions in the high country of western Montana and north-central Idaho later this week with localized damaging winds

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Hazardous Weather Conditions

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 39%
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 10 Mar 02:30 PM MDT
Extended Forecast for

7 Miles W Garrison MT

High Wind Warning March 12, 12:00am until March 13, 12:00am
Click here for hazard details and duration
High Wind Warning

  • This Afternoon

    This Afternoon: A 50 percent chance of snow. Partly sunny, with a high near 32. West northwest wind 11 to 14 mph, with gusts as high as 29 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 7pm. Partly cloudy, with a low around 15. West northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.

    Low: 15 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after noon. Partly sunny, with a high near 41. West wind 5 to 15 mph, with gusts as high as 34 mph. Little or no snow accumulation expected.

    High: 41 °F

    Slight Chance
    Snow then
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow likely before midnight, then rain, possibly mixed with snow. Snow level rising to 5400 feet after midnight. Low around 35. Southwest wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Snow Likely
    then
    Rain/Snow

  • Thursday

    Thursday: Rain before 9am, then rain and snow between 9am and noon, then snow after noon. High near 44. Breezy, with a west wind 22 to 28 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F

    Breezy.
    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow. Low around 33. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Snow

  • Friday

    Friday: Snow before noon, then rain, possibly mixed with snow. Snow level rising to 5800 feet in the afternoon. High near 45. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Snow then
    Rain/Snow

  • Friday Night

    Friday Night: Rain before 9pm, then rain and snow. Snow level 5600 feet. Cloudy, with a low around 33.

    Low: 33 °F

    Rain/Snow

  • Saturday

    Saturday: Rain and snow, becoming all snow after noon. Cloudy, with a high near 39.

    High: 39 °F

    Rain/Snow
    then Snow

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Partly sunny, with a high near 32. West northwest wind 11 to 14 mph, with gusts as high as 29 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow before 7pm. Partly cloudy, with a low around 15. West northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.
Wednesday
A 50 percent chance of snow, mainly after noon. Partly sunny, with a high near 41. West wind 5 to 15 mph, with gusts as high as 34 mph. Little or no snow accumulation expected.
Wednesday Night
Snow likely before midnight, then rain, possibly mixed with snow. Snow level rising to 5400 feet after midnight. Low around 35. Southwest wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Rain before 9am, then rain and snow between 9am and noon, then snow after noon. High near 44. Breezy, with a west wind 22 to 28 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Snow. Low around 33. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
Snow before noon, then rain, possibly mixed with snow. Snow level rising to 5800 feet in the afternoon. High near 45. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Rain before 9pm, then rain and snow. Snow level 5600 feet. Cloudy, with a low around 33.
Saturday
Rain and snow, becoming all snow after noon. Cloudy, with a high near 39.
Saturday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 18.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 36.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 26.
Monday
A chance of rain and snow. Snow level rising to 6600 feet in the afternoon. Mostly cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Garrison MT
 46.52°N 112.96°W (Elev. 4741 ft)
Last Update:
2:11 pm MDT Mar 10, 2026
Forecast Valid:
2pm MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation