Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

61°F

16°C

Humidity 29%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility 1.24 mi
Last update 07 Oct 01:00 PM MDT
Extended Forecast for

Lost Trail Pass MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. Southwest wind around 5 mph becoming west northwest.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. South southwest wind 3 to 6 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Calm wind becoming south around 6 mph after midnight.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 67. South wind 8 to 14 mph, with gusts as high as 28 mph.

    High: 67 °F

    Sunny

  • Friday Night

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

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a chance of rain after noon.  Mostly cloudy, with a high near 50. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain and snow, becoming all snow after 9pm.  Cloudy, with a low around 26.

    Low: 26 °F

    Rain/Snow
    then Snow

  • Sunday

    Sunday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 36.

    High: 36 °F

    Snow Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 70. Southwest wind around 5 mph becoming west northwest.
Tonight
Mostly clear, with a low around 41. Light and variable wind.
Thursday
Sunny, with a high near 68. South southwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 42. Calm wind becoming south around 6 mph after midnight.
Friday
Sunny, with a high near 67. South wind 8 to 14 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 38.
Saturday
A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 50. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
Rain and snow, becoming all snow after 9pm. Cloudy, with a low around 26.
Sunday
Snow likely, mainly before noon. Mostly cloudy, with a high near 36.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23.
Columbus Day
A chance of snow. Partly sunny, with a high near 43.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 27.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.94°W (Elev. 6598 ft)
12:22 pm MDT Oct 7, 2026
1pm MDT Oct 7, 2026-6pm MDT Oct 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database