Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

42°F

6°C

Humidity 27%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility 1.24 mi
Wind Chill38°F (3°C)
Last update 18 Apr 03:15 PM MDT
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 25. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 25 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 56. Calm wind becoming south around 6 mph in the afternoon.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain likely before 9am, then rain and snow showers. Some thunder is also possible.  Snow level 8600 feet lowering to 7400 feet in the afternoon . Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 9pm.  Cloudy, with a low around 30.

    Low: 30 °F

    Rain/Snow
    then Snow

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 25. West southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 56. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 34. Light and variable wind.
Monday
Mostly sunny, with a high near 62. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 37. West southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 39.
Wednesday
Rain likely before 9am, then rain and snow showers. Some thunder is also possible. Snow level 8600 feet lowering to 7400 feet in the afternoon . Mostly cloudy, with a high near 49.
Wednesday Night
Rain and snow, becoming all snow after 9pm. Cloudy, with a low around 30.
Thursday
Snow. Mostly cloudy, with a high near 38.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow. Partly sunny, with a high near 42.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 23.
Saturday
A slight chance of snow. Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.68°N 113.94°W (Elev. 7077 ft)
2:01 pm MDT Apr 18, 2026
3pm MDT Apr 18, 2026-6pm MDT Apr 25, 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