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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Lost Trail Pass (ITD87)

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

light snow

26°F

-3°C

Humidity 96%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility 1.24 mi
Wind Chill19°F (-7°C)
Last update 01 Jan 07:15 PM MST
Extended Forecast for

Lost Trail Pass MT

Winter Weather Advisory until January 2, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 2, 12:00pm

    NOW until 12:00pm Fri

    Winter Weather Advisory

  • Tonight

    Low: 27 °F

    Heavy Snow
    and Dense
    Freezing Fog

  • Friday

    Friday: Snow, mainly before 11am. Patchy fog. High near 32. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 32 °F

    Snow and
    Patchy Fog
    then Chance
    Snow and
    Patchy Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25. Southwest wind 3 to 5 mph.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after 11am. Patchy fog before 2pm, then patchy fog after 3pm. Otherwise, partly sunny, with a high near 33. South wind 5 to 7 mph, with gusts as high as 18 mph.

    High: 33 °F

    Slight Chance
    Snow and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 26. South wind around 7 mph, with gusts as high as 18 mph. Little or no snow accumulation expected.

    Low: 26 °F

    Chance Snow
    and Patchy
    Fog

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a high near 33. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 24. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Monday

    Monday: Snow likely. Mostly cloudy, with a high near 31.

    High: 31 °F

    Snow Likely

Detailed Forecast

Tonight
Snow likely, mainly between 10pm and 2am. The snow could be heavy at times. Patchy fog before 1am, then patchy fog after 2am. Widespread dense freezing fog, mainly before 1am. Otherwise, cloudy, with a low around 27. Calm wind. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.
Friday
Snow, mainly before 11am. Patchy fog. High near 32. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Mostly cloudy, with a low around 25. Southwest wind 3 to 5 mph.
Saturday
A 20 percent chance of snow after 11am. Patchy fog before 2pm, then patchy fog after 3pm. Otherwise, partly sunny, with a high near 33. South wind 5 to 7 mph, with gusts as high as 18 mph.
Saturday Night
A 40 percent chance of snow. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 26. South wind around 7 mph, with gusts as high as 18 mph. Little or no snow accumulation expected.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 33. New snow accumulation of less than a half inch possible.
Sunday Night
A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 24. New snow accumulation of less than a half inch possible.
Monday
Snow likely. Mostly cloudy, with a high near 31.
Monday Night
A chance of snow. Mostly cloudy, with a low around 21.
Tuesday
A chance of snow. Partly sunny, with a high near 28.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 20.
Wednesday
A chance of snow. Partly sunny, with a high near 27.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 17.
Thursday
Snow likely. Mostly cloudy, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.68°N 113.94°W (Elev. 7077 ft)
Last Update:
1:01 pm MST Jan 1, 2026
Forecast Valid:
7pm MST Jan 1, 2026-6pm MST Jan 8, 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