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

28°F

-2°C

Humidity 58%
Wind Speed SSW 9 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility 1.24 mi
Wind Chill19°F (-7°C)
Last update 18 Apr 10:15 AM MDT
Extended Forecast for

13 Miles WSW Lost Trail Pass MT

  • Today

    Today: Partly sunny, with a high near 46. South wind 3 to 6 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. West southwest wind around 6 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Light and variable wind becoming south around 5 mph in the afternoon.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. Southwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Cloudy

  • Monday

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

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly after midnight. Partly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely before 9am, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain/Snow

Detailed Forecast

Today
Partly sunny, with a high near 46. South wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 27. West southwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 57. Light and variable wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 35. Southwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 63. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
A chance of rain, mainly after midnight. Partly cloudy, with a low around 39.
Wednesday
Rain likely before 9am, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 50.
Wednesday Night
Rain and snow, becoming all snow after 3am. Cloudy, with a low around 32.
Thursday
Snow. Mostly cloudy, with a high near 41.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25.
Friday
A chance of snow. Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles WSW Lost Trail Pass MT
 45.63°N 114.17°W (Elev. 6467 ft)
Last Update:
2:01 am MDT Apr 18, 2026
Forecast Valid:
10am MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation