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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

light snow

28°F

-2°C

Humidity 100%
Wind Speed NNE 4 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility 1.24 mi
Wind Chill23°F (-5°C)
Last update 12 Oct 01:45 PM MDT
Extended Forecast for

Lost Trail Pass MT

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 37. Light north northwest wind.

    High: 37 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Light north northwest wind.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 45. Light north northwest wind.

    High: 45 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 51. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 51 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 30.

    Low: 30 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Columbus Day
Partly sunny, with a high near 37. Light north northwest wind.
Tonight
Mostly cloudy, with a low around 21. Light north northwest wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 45. Light north northwest wind.
Tuesday Night
Mostly clear, with a low around 23. Calm wind.
Wednesday
Sunny, with a high near 51. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 29.
Thursday
Sunny, with a high near 55.
Thursday Night
Clear, with a low around 30.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.94°W (Elev. 6598 ft)
Last Update:
12:22 pm MDT Oct 12, 2026
Forecast Valid:
2pm MDT Oct 12, 2026-6pm MDT Oct 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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