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

Lost Trail Pass (ITD87)

Lat: 45.69302°NLon: 113.94835°WElev: 7090.0ft.

light snow

24°F

-4°C

Humidity 70%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility 0.86 mi
Wind Chill18°F (-8°C)
Last update 09 Mar 03:30 PM MDT
Extended Forecast for

6 Miles WNW Lost Trail Pass MT

Winter Storm Watch March 11, 06:00pm until March 14, 12:00pm
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 29. West wind around 20 mph, with gusts as high as 41 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow

  • Tonight

    Tonight: A slight chance of snow before 7pm, then a chance of snow after 5am. Partly cloudy, with a low around 12. West southwest wind 6 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow likely, mainly between 11am and 3pm. Partly sunny, with a high near 22. West wind 7 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 22 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 12. Wind chill values as low as zero. West northwest wind 8 to 15 mph becoming south southwest after midnight. Winds could gust as high as 33 mph. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Mostly cloudy, with a high near 32. South southwest wind 10 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 32 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow. Low around 30. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 30 °F

    Snow

  • Thursday

    Thursday: Snow. High near 36. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.

    High: 36 °F

    Snow

  • Thursday Night

    Thursday Night: Snow before 9pm, then rain and snow between 9pm and 3am, then snow after 3am. Cloudy, with a low around 34.

    Low: 34 °F

    Rain/Snow

  • Friday

    Friday: Snow before 3pm, then rain and snow. Cloudy, with a high near 39.

    High: 39 °F

    Snow then
    Rain/Snow

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 29. West wind around 20 mph, with gusts as high as 41 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A slight chance of snow before 7pm, then a chance of snow after 5am. Partly cloudy, with a low around 12. West southwest wind 6 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely, mainly between 11am and 3pm. Partly sunny, with a high near 22. West wind 7 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday Night
A 30 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 12. Wind chill values as low as zero. West northwest wind 8 to 15 mph becoming south southwest after midnight. Winds could gust as high as 33 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 32. South southwest wind 10 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday Night
Snow. Low around 30. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 36. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.
Thursday Night
Snow before 9pm, then rain and snow between 9pm and 3am, then snow after 3am. Cloudy, with a low around 34.
Friday
Snow before 3pm, then rain and snow. Cloudy, with a high near 39.
Friday Night
Rain and snow. Cloudy, with a low around 35.
Saturday
Rain and snow. Cloudy, with a high near 36.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 23.
Sunday
A chance of snow. Mostly cloudy, with a high near 35.
Sunday Night
Snow likely. Cloudy, with a low around 31.
Monday
Rain and snow likely. Mostly cloudy, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Lost Trail Pass MT
 45.73°N 114.07°W (Elev. 6991 ft)
Last Update:
2:01 pm MDT Mar 9, 2026
Forecast Valid:
3pm MDT Mar 9, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation