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

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

44°F

7°C

Humidity 26%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility 1.24 mi
Wind Chill41°F (5°C)
Last update 18 Apr 05:00 PM MDT
Extended Forecast for

10 Miles WSW Lost Trail Pass MT

  • Tonight

    Tonight: Mostly clear, with a low around 29. West southwest wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. Light and variable wind.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. West southwest wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain likely before noon, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain Likely
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 9pm. Cloudy, with a low around 32.

    Low: 32 °F

    Rain/Snow
    then Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 29. West southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 37. Light and variable wind.
Monday
Mostly sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 40. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 39.
Wednesday
Rain likely before noon, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 48.
Wednesday Night
Rain and snow, becoming all snow after 9pm. Cloudy, with a low around 32.
Thursday
Snow. Mostly cloudy, with a high near 38.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 24.
Friday
A chance of snow. Partly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 25.
Saturday
A slight chance of snow. Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Lost Trail Pass MT
 45.64°N 114.11°W (Elev. 6841 ft)
Last Update:
2:01 pm MDT Apr 18, 2026
Forecast Valid:
5pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation