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

Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

31°F

-1°C

Humidity 52%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility 1.24 mi
Last update 27 Feb 07:15 PM MST
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: Clear, with a low around 22. South southwest wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 42. West southwest wind 3 to 6 mph.

    High: 42 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. Light and variable wind.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 42. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 42 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Slight Chance
    Snow

  • Monday

    Monday: A 30 percent chance of snow, mainly after 11am. Mostly sunny, with a high near 42. Little or no snow accumulation expected.

    High: 42 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 22. South southwest wind 5 to 7 mph, with gusts as high as 21 mph.
Saturday
Increasing clouds, with a high near 42. West southwest wind 3 to 6 mph.
Saturday Night
Mostly cloudy, with a low around 25. Light and variable wind.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 42. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 27. Calm wind.
Monday
A 30 percent chance of snow, mainly after 11am. Mostly sunny, with a high near 42. Little or no snow accumulation expected.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 40.
Wednesday Night
Snow. Cloudy, with a low around 26.
Thursday
Snow likely. Mostly cloudy, with a high near 33.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 20.
Friday
A chance of snow. Partly sunny, with a high near 37.
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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 Feb 27, 2026
Forecast Valid:
7pm MST Feb 27, 2026-6pm MST Mar 6, 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