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

35°F

2°C

Humidity 41%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility 1.24 mi
Last update 28 Feb 08:30 PM MST
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Light south southwest wind.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow after 4pm.  Partly sunny, with a high near 44. South southwest wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of rain and snow before 8pm, then a chance of snow.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 30. Light and variable wind.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Rain/Snow
    then Chance
    Snow and
    Patchy Fog

  • Monday

    Monday: A 40 percent chance of snow.  Patchy fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 43. Calm wind becoming northwest 5 to 7 mph in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance Snow
    and Patchy
    Fog

  • Monday Night

    Monday Night: Mostly clear, with a low around 24. Northwest wind around 6 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 24 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Snow

  • Wednesday

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

    High: 38 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow.  Cloudy, with a low around 26.

    Low: 26 °F

    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. Light south southwest wind.
Sunday
A slight chance of rain and snow after 4pm. Partly sunny, with a high near 44. South southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of rain and snow before 8pm, then a chance of snow. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday
A 40 percent chance of snow. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 43. Calm wind becoming northwest 5 to 7 mph in the afternoon. New snow accumulation of less than a half inch possible.
Monday Night
Mostly clear, with a low around 24. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 31.
Wednesday
Snow. Cloudy, with a high near 38.
Wednesday Night
Snow. Cloudy, with a low around 26.
Thursday
Snow likely. Mostly cloudy, with a high near 34.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 24.
Friday
A chance of snow. Mostly cloudy, with a high near 35.
Friday Night
A chance of snow. Mostly cloudy, with a low around 23.
Saturday
Snow likely. Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.94°W (Elev. 6598 ft)
1:00 pm MST Feb 28, 2026
8pm MST Feb 28, 2026-6pm MST Mar 7, 2026
 
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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