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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Lost Trail Pass (ITD87)

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

NA

60°F

16°C

Humidity 43%
Wind Speed NNE 10 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility 1.24 mi
Last update 16 Jun 10:15 PM MDT
Extended Forecast for

5 Miles WSW Lost Trail Pass MT

Wind Advisory until June 17, 12:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until June 17, 12:00am

    NOW until 12:00am Wed

    Wind Advisory

  • Tonight

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58. West northwest wind 9 to 15 mph, with gusts as high as 28 mph.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Northwest wind 10 to 15 mph becoming light west northwest after midnight. Winds could gust as high as 29 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 63.

    High: 63 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 44. West northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 39 mph.
Wednesday
Sunny, with a high near 58. West northwest wind 9 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 38. Northwest wind 10 to 15 mph becoming light west northwest after midnight. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 65. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 44. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.
Juneteenth
Mostly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 63.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Lost Trail Pass MT
 45.67°N 114.03°W (Elev. 7720 ft)
Last Update:
2:01 pm MDT Jun 16, 2026
Forecast Valid:
10pm MDT Jun 16, 2026-6pm MDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation