Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

51°F

11°C

Humidity 59%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility 1.24 mi
Last update 19 Aug 02:00 AM MDT
Extended Forecast for

Lost Trail Pass MT

  • Overnight

    Overnight: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming west around 6 mph in the morning.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. Northwest wind around 6 mph becoming calm.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. South wind around 6 mph becoming light and variable.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 76.

    High: 76 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 48. Calm wind.
Wednesday
Sunny, with a high near 77. Calm wind becoming west around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 49. Northwest wind around 6 mph becoming calm.
Thursday
Sunny, with a high near 83. South wind around 6 mph becoming light and variable.
Thursday Night
Partly cloudy, with a low around 54. West northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 85.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 55.
Saturday
A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 76.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.94°W (Elev. 6598 ft)
1:56 am MDT Aug 19, 2026
2am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database