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

Lost Trail Pass (ITD87)

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

NA

21°C

70°F

Humidity 28%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 2°C (35°F)
Visibility 2.00 km
Last update 12 Jul 08:15 PM MDT
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: Mostly clear, with a low around 11. North northwest wind 8 to 14 km/h.

    Low: 11 °C

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 24. North northwest wind 5 to 14 km/h becoming south southeast in the morning.

    High: 24 °C

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 13. North northwest wind 10 to 14 km/h becoming west after midnight.

    Low: 13 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 24. Southwest wind 10 to 15 km/h becoming west northwest 16 to 21 km/h in the afternoon.

    High: 24 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. Northwest wind 13 to 23 km/h becoming north northeast after midnight. Winds could gust as high as 32 km/h.

    Low: 11 °C

    Mostly Clear

  • Tuesday

    Tuesday: A chance of rain, mainly between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 19. Chance of precipitation is 40%.

    High: 19 °C

    Slight Chance
    Rain then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 9.

    Low: 9 °C

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 19.

    High: 19 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 8.

    Low: 8 °C

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 11. North northwest wind 8 to 14 km/h.
Sunday
Sunny, with a high near 24. North northwest wind 5 to 14 km/h becoming south southeast in the morning.
Sunday Night
Mostly clear, with a low around 13. North northwest wind 10 to 14 km/h becoming west after midnight.
Monday
Sunny, with a high near 24. Southwest wind 10 to 15 km/h becoming west northwest 16 to 21 km/h in the afternoon.
Monday Night
Mostly clear, with a low around 11. Northwest wind 13 to 23 km/h becoming north northeast after midnight. Winds could gust as high as 32 km/h.
Tuesday
A chance of rain, mainly between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 19. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 9.
Wednesday
Mostly sunny, with a high near 19.
Wednesday Night
Mostly clear, with a low around 8.
Thursday
Sunny, with a high near 22.
Thursday Night
Mostly clear, with a low around 9.
Friday
Sunny, with a high near 23.
Friday Night
Mostly clear, with a low around 10.
Saturday
Sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.97°W (Elev. 7820 m)
Last Update:
2:30 pm MDT Jul 12, 2025
Forecast Valid:
8pm MDT Jul 12, 2025-6pm MDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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