National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Northwest; Wintry Mix from the Great Lakes to Northeast

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes today then the Northeast U.S. tonight into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Lost Trail Pass (ITD87)

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

light snow

27°F

-3°C

Humidity 100%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility 0.83 mi
Wind Chill22°F (-6°C)
Last update 06 Jan 03:00 PM MST
Extended Forecast for

6 Miles W Lost Trail Pass MT

Winter Weather Advisory January 6, 05:00pm until January 7, 11:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Snow likely. Mostly cloudy, with a high near 29. Southwest wind around 11 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 29 °F

    Snow Likely

  • Tonight

    Tonight: Snow, mainly after 10pm. The snow could be heavy at times. Low around 21. Southwest wind around 13 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow, mainly before noon. The snow could be heavy at times. Temperature falling to around 19 by 5pm. West wind 6 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 26 °F⇓

    Heavy Snow
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 11. South southwest wind around 6 mph. New snow accumulation of 1 to 2 inches possible.

    Low: 11 °F

    Chance Snow

  • Thursday

    Thursday: Snow. High near 18. West wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 18 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 13. New snow accumulation of around an inch possible.

    Low: 13 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 23. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Snow likely. Mostly cloudy, with a high near 29. Southwest wind around 11 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly after 10pm. The snow could be heavy at times. Low around 21. Southwest wind around 13 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow, mainly before noon. The snow could be heavy at times. Temperature falling to around 19 by 5pm. West wind 6 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 11. South southwest wind around 6 mph. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow. High near 18. West wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 13. New snow accumulation of around an inch possible.
Friday
A 50 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 23. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
Partly sunny, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 33.
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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:
2:18 pm MST Jan 6, 2026
Forecast Valid:
3pm MST Jan 6, 2026-6pm MST Jan 13, 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