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

28°F

-2°C

Humidity 45%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 9°F (-13°C)
Visibility 1.24 mi
Last update 28 Feb 06:15 AM MST
Extended Forecast for

Lost Trail Pass MT

  • Today

    Today: Increasing clouds, with a high near 41. Southwest wind 3 to 6 mph.

    High: 41 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

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

    High: 42 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 28. Calm wind. Little or no snow accumulation expected.

    Low: 28 °F

    Chance Snow

  • Monday

    Monday: A 30 percent chance of snow. Partly sunny, with a high near 42. Calm wind becoming northwest around 6 mph in the afternoon. 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: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 11pm. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Snow. Cloudy, with a high near 38.

    High: 38 °F

    Snow

Detailed Forecast

Today
Increasing clouds, with a high near 41. Southwest wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 25. Calm wind.
Sunday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 42. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 28. Calm wind. Little or no snow accumulation expected.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 42. Calm wind becoming northwest around 6 mph in the afternoon. Little or no snow accumulation expected.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 29.
Wednesday
Snow. Cloudy, with a high near 38.
Wednesday Night
Snow. Cloudy, with a low around 25.
Thursday
Snow likely. Mostly cloudy, with a high near 32.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow. Partly sunny, with a high near 33.
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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:
1:12 am MST Feb 28, 2026
Forecast Valid:
6am MST Feb 28, 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