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.

NA

17°F

-8°C

Humidity 66%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 8°F (-13°C)
Visibility 1.15 mi
Last update 09 Mar 10:00 PM MDT
Extended Forecast for

7 Miles WSW 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

  • Tonight

    Tonight: A 30 percent chance of snow after 5am. Mostly cloudy, with a low around 12. West wind around 6 mph becoming calm in the evening. Total nighttime snow accumulation of less than a half inch possible.

    Low: 12 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow likely, mainly between 11am and 5pm. Partly sunny, with a high near 24. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 24 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 12. West northwest wind 5 to 11 mph becoming south southwest after midnight. Winds could gust as high as 30 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 6 to 14 mph, with gusts as high as 30 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 11 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 30 °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 before 9pm, then rain and snow. Low around 34. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 34 °F

    Rain/Snow

  • Friday

    Friday: Rain and snow before 9am, then snow between 9am and noon, then rain and snow after noon. Cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow

  • Friday Night

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

    Low: 35 °F

    Rain/Snow

Detailed Forecast

Tonight
A 30 percent chance of snow after 5am. Mostly cloudy, with a low around 12. West wind around 6 mph becoming calm in the evening. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow likely, mainly between 11am and 5pm. Partly sunny, with a high near 24. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday Night
A 30 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 12. West northwest wind 5 to 11 mph becoming south southwest after midnight. Winds could gust as high as 30 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 6 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday Night
Snow. Low around 30. Southwest wind around 11 mph, with gusts as high as 32 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 before 9pm, then rain and snow. Low around 34. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday
Rain and snow before 9am, then snow between 9am and noon, then rain and snow after noon. Cloudy, with a high near 41.
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 38.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24.
Sunday
Snow likely. Mostly cloudy, with a high near 37.
Sunday Night
Snow likely. Cloudy, with a low around 32.
Monday
Rain and snow likely. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Lost Trail Pass MT
 45.66°N 114.09°W (Elev. 6660 ft)
Last Update:
2:01 pm MDT Mar 9, 2026
Forecast Valid:
10pm MDT Mar 9, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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