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

Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

62°F

17°C

Humidity 44%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility 1.24 mi
Last update 01 Sep 11:00 AM MDT
Extended Forecast for

4 Miles N Lost Trail Pass MT

  • Today

    Today: A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 81. South wind 5 to 9 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and midnight. Low around 49. Southeast wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. High near 65. South southeast wind 7 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. West southwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 18 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 62. South wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 62 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers. Partly sunny, with a high near 67. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of rain, mainly before midnight. Partly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain before noon. Mostly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Rain then
    Sunny

Detailed Forecast

Today
A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 81. South wind 5 to 9 mph. Chance of precipitation is 70%.
Tonight
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and midnight. Low around 49. Southeast wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. High near 65. South southeast wind 7 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 45. West southwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 18 mph.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 62. South wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 42.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 67. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain, mainly before midnight. Partly cloudy, with a low around 45.
Saturday
A slight chance of rain before noon. Mostly sunny, with a high near 74.
Saturday Night
A slight chance of rain after midnight. Partly cloudy, with a low around 48.
Sunday
A chance of rain and thunderstorms. Partly sunny, with a high near 73.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 49.
Labor Day
Rain likely. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Lost Trail Pass MT
 45.74°N 113.95°W (Elev. 5200 ft)
Last Update:
2:01 am MDT Sep 1, 2026
Forecast Valid:
11am MDT Sep 1, 2026-6pm MDT Sep 7, 2026
 
Forecast Discussion
 
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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