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

20°F

-7°C

Humidity 52%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 5°F (-15°C)
Visibility 1.24 mi
Last update 10 Mar 01:00 PM MDT
Extended Forecast for

10 Miles WSW Lost Trail Pass MT

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

  • This Afternoon

    This Afternoon: A 50 percent chance of snow. Mostly cloudy, with a high near 23. West wind 11 to 13 mph, with gusts as high as 28 mph. Total daytime snow accumulation of around an inch possible.

    High: 23 °F

    Chance Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 7pm. Partly cloudy, with a low around 10. Wind chill values as low as zero. West 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
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after 2pm. Partly sunny, with a high near 32. West southwest wind 6 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow. Low around 30. Southwest wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. High near 35. West southwest wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 35 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow. Low around 32. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 32 °F

    Snow

  • Friday

    Friday: Snow. High near 38. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 38 °F

    Snow

  • Friday Night

    Friday Night: Snow. Cloudy, with a low around 32.

    Low: 32 °F

    Snow

  • Saturday

    Saturday: Snow. Cloudy, with a high near 34.

    High: 34 °F

    Snow

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Mostly cloudy, with a high near 23. West wind 11 to 13 mph, with gusts as high as 28 mph. Total daytime snow accumulation of around an inch possible.
Tonight
A 30 percent chance of snow, mainly before 7pm. Partly cloudy, with a low around 10. Wind chill values as low as zero. West 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 2pm. Partly sunny, with a high near 32. West southwest wind 6 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 30. Southwest wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 35. West southwest wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Thursday Night
Snow. Low around 32. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Friday
Snow. High near 38. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow. Cloudy, with a low around 32.
Saturday
Snow. Cloudy, with a high near 34.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 15.
Sunday
A chance of snow. Mostly cloudy, with a high near 32.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25.
Monday
Rain and snow likely. Mostly cloudy, with a high near 43.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Lost Trail Pass MT
 45.64°N 114.11°W (Elev. 6841 ft)
Last Update:
12:22 pm MDT Mar 10, 2026
Forecast Valid:
1pm MDT Mar 10, 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