Heavy Rainfall and Severe Thunderstorms in the Midwest and Southwest; Heat Continues in the Southern U.S.

Heavy to excessive rainfall could bring flooding today through Thursday across parts of the central Plains into the Midwest and southern Arizona and New Mexico. Scattered strong to severe thunderstorms may impact parts of eastern Nebraska into western Iowa later today into early evening. Heat Advisories remain in place across much of east Texas into the mid-Mississippi Valley today and Tuesday. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

46°F

8°C

Humidity 63%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility 1.24 mi
Last update 14 Sep 05:00 PM MDT
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 61. South southeast wind around 6 mph becoming light and variable.

    High: 61 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. North wind 3 to 6 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65. Northeast wind 3 to 5 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. North wind around 6 mph becoming east southeast after midnight.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of rain after midnight.  Low around 44. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers then
    Chance Rain

  • Friday

    Friday: A chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of rain, mainly before midnight.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm.
Tuesday
Increasing clouds, with a high near 61. South southeast wind around 6 mph becoming light and variable.
Tuesday Night
Mostly cloudy, with a low around 37. North wind 3 to 6 mph.
Wednesday
Sunny, with a high near 65. Northeast wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 41. North wind around 6 mph becoming east southeast after midnight.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of rain after midnight. Low around 44. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61.
Friday Night
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 40.
Saturday
A chance of rain, mainly after noon. Mostly sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.94°W (Elev. 6598 ft)
2:00 pm MDT Sep 14, 2026
5pm MDT Sep 14, 2026-6pm MDT Sep 21, 2026
 
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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