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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Current conditions at

Lost Trail Pass (ITD87)

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

NA

16°F

-9°C

Humidity 69%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 7°F (-14°C)
Visibility 1.15 mi
Wind Chill8°F (-13°C)
Last update 09 Mar 11:45 PM MDT
Extended Forecast for

Lost Trail Pass MT

  • Overnight

    Overnight: A 20 percent chance of snow after 5am.  Partly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A chance of snow before 9am, then a chance of snow after 11am.  Partly sunny, with a high near 23. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 29 mph.  Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 23 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before midnight.  Partly cloudy, with a low around 10. West northwest wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 28 mph.  New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 32. Southwest wind 6 to 11 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow.  Low around 29. Southwest wind around 10 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 29 °F

    Snow

  • Thursday

    Thursday: Snow.  High near 37. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 37 °F

    Snow

  • Thursday Night

    Thursday Night: Snow.  Low around 32. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 32 °F

    Snow

  • Friday

    Friday: Snow.  Cloudy, with a high near 40.

    High: 40 °F

    Snow

  • Friday Night

    Friday Night: Snow.  Cloudy, with a low around 33.

    Low: 33 °F

    Snow

Detailed Forecast

Overnight
A 20 percent chance of snow after 5am. Partly cloudy, with a low around 12. Calm wind.
Tuesday
A chance of snow before 9am, then a chance of snow after 11am. Partly sunny, with a high near 23. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 50%. 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 10. West northwest wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 28 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 32. Southwest wind 6 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow. Low around 29. Southwest wind around 10 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 37. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow. Low around 32. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow. Cloudy, with a high near 40.
Friday Night
Snow. Cloudy, with a low around 33.
Saturday
Snow. Cloudy, with a high near 37.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 22.
Sunday
A chance of snow. Mostly cloudy, with a high near 36.
Sunday Night
Snow likely. Cloudy, with a low around 30.
Monday
Rain and snow likely. Mostly cloudy, with a high near 43.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.68°N 113.94°W (Elev. 7077 ft)
2:01 pm MDT Mar 9, 2026
12am MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database