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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

23°F

-5°C

Humidity 89%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility 1.24 mi
Last update 28 Jan 10:45 AM MST
Extended Forecast for

Lost Trail Pass MT

  • Today

    Today: A 40 percent chance of snow, mainly before 3pm. Mostly cloudy, with a high near 24. West wind 11 to 13 mph, with gusts as high as 22 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 24 °F

    Chance Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 15. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 15 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 25. South southwest wind around 8 mph.

    High: 25 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20. South southwest wind 6 to 8 mph.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 29. South southwest wind around 9 mph. Little or no snow accumulation expected.

    High: 29 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

Detailed Forecast

Today
A 40 percent chance of snow, mainly before 3pm. Mostly cloudy, with a high near 24. West wind 11 to 13 mph, with gusts as high as 22 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, with a low around 15. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Thursday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 25. South southwest wind around 8 mph.
Thursday Night
Mostly cloudy, with a low around 20. South southwest wind 6 to 8 mph.
Friday
A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 29. South southwest wind around 9 mph. Little or no snow accumulation expected.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
A chance of snow. Partly sunny, with a high near 30.
Monday Night
A slight chance of snow. Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.97°W (Elev. 7822 ft)
Last Update:
3:59 am MST Jan 28, 2026
Forecast Valid:
11am MST Jan 28, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation