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

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
  • Overnight

    Overnight: A 30 percent chance of snow after 5am.  Partly cloudy, with a low around 12. West southwest wind around 6 mph.  Total nighttime 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. Southwest wind around 16 mph, with gusts as high as 36 mph.  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.  Low around 34. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    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

  • Friday Night

    Friday Night: Rain and snow.  Cloudy, with a low around 35.

    Low: 35 °F

    Rain/Snow

Detailed Forecast

Overnight
A 30 percent chance of snow after 5am. Partly cloudy, with a low around 12. West southwest wind around 6 mph. Total nighttime 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. Southwest wind around 16 mph, with gusts as high as 36 mph. 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. Low around 34. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
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, becoming all snow after 9am. 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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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Lost Trail Pass MT
 45.73°N 114.07°W (Elev. 6991 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