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.

unknown precip

25°F

-4°C

Humidity 59%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility 0.85 mi
Wind Chill19°F (-7°C)
Last update 09 Mar 05:00 PM MDT
Extended Forecast for

6 Miles W 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. Partly sunny, with a high near 29. West wind around 18 mph, with gusts as high as 40 mph. Total daytime snow accumulation of less than one inch possible.

    High: 29 °F

    Chance Snow

  • Tonight

    Tonight: A slight chance of snow before 8pm, then a chance of snow after 5am. Partly cloudy, with a low around 12. West southwest wind 5 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Chance Snow

  • Tuesday

    Tuesday: A 50 percent chance of snow, mainly after 11am. Partly sunny, with a high near 22. West wind 6 to 14 mph, with gusts as high as 31 mph. New snow accumulation of less than one inch possible.

    High: 22 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 11. West northwest wind 6 to 13 mph becoming south southwest after midnight. Winds could gust as high as 32 mph. New snow accumulation of less than a half inch possible.

    Low: 11 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Mostly cloudy, with a high near 31. South southwest wind 8 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 31 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow. Low around 29. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 29 °F

    Snow

  • Thursday

    Thursday: Snow. High near 36. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 36 °F

    Snow

  • Thursday Night

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

    Low: 33 °F

    Snow

  • Friday

    Friday: Snow. Cloudy, with a high near 39.

    High: 39 °F

    Snow

Detailed Forecast

This Afternoon
A 30 percent chance of snow. Partly sunny, with a high near 29. West wind around 18 mph, with gusts as high as 40 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
A slight chance of snow before 8pm, then a chance of snow after 5am. Partly cloudy, with a low around 12. West southwest wind 5 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
A 50 percent chance of snow, mainly after 11am. Partly sunny, with a high near 22. West wind 6 to 14 mph, with gusts as high as 31 mph. 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 11. West northwest wind 6 to 13 mph becoming south southwest after midnight. Winds could gust as high as 32 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 31. South southwest wind 8 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday Night
Snow. Low around 29. 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 3 to 5 inches possible.
Thursday Night
Snow. Cloudy, with a low around 33.
Friday
Snow. Cloudy, with a high near 39.
Friday Night
Snow. Cloudy, with a low around 34.
Saturday
Snow. Cloudy, with a high near 36.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 22.
Sunday
A chance of snow. Mostly cloudy, with a high near 35.
Sunday Night
Snow likely. Cloudy, with a low around 30.
Monday
Snow likely. Mostly cloudy, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Lost Trail Pass MT
 45.71°N 114.07°W (Elev. 7100 ft)
Last Update:
2:01 pm MDT Mar 9, 2026
Forecast Valid:
5pm 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