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

Salmon, Lemhi County Airport (KSMN)

Lat: 45.11667°NLon: 113.88333°WElev: 4045.0ft.

Mostly Cloudy

81°F

27°C

Humidity 34%
Wind Speed NNW 14 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Jul 05:20 PM MDT
Extended Forecast for

4 Miles S Salmon ID

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Breezy, with a west northwest wind around 24 mph.

    High: 85 °F

    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Northwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 38 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Areas of smoke between 7pm and 9pm. Mostly clear, with a low around 52. North wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Areas Smoke
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Breezy, with a west northwest wind around 24 mph.
Tonight
Partly cloudy, with a low around 49. Northwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 38 mph.
Wednesday
Sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Areas of smoke between 7pm and 9pm. Mostly clear, with a low around 52. North wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 93. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Salmon ID
 45.12°N 113.89°W (Elev. 4034 ft)
Last Update:
2:30 pm MDT Jul 15, 2025
Forecast Valid:
5pm MDT Jul 15, 2025-6pm MDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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