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.

Overcast

50°F

10°C

Humidity 81%
Wind Speed SW 3 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 04 Oct 07:35 AM MDT
Extended Forecast for

25 Miles SW Salmon ID

  • Today

    Today: A chance of snow before 10am, then a slight chance of snow after 5pm. Mostly cloudy, with a high near 36. North northwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 36 °F

    Chance Snow

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 5am. Mostly cloudy, with a low around 26. North northwest wind 8 to 13 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Partly sunny, with a high near 32. North northeast wind around 8 mph. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Widespread frost after 9pm. Otherwise, partly cloudy, with a low around 22. North northeast wind 6 to 9 mph.

    Low: 22 °F

    Frost

  • Monday

    Monday: Widespread frost before 11am. Otherwise, sunny, with a high near 41. Southwest wind around 6 mph becoming north northeast in the afternoon.

    High: 41 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Widespread frost between 10pm and 2am. Otherwise, clear, with a low around 28.

    Low: 28 °F

    Frost

  • Tuesday

    Tuesday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 31.

    Low: 31 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

Today
A chance of snow before 10am, then a slight chance of snow after 5pm. Mostly cloudy, with a high near 36. North northwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
A 40 percent chance of snow, mainly after 5am. Mostly cloudy, with a low around 26. North northwest wind 8 to 13 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 32. North northeast wind around 8 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Widespread frost after 9pm. Otherwise, partly cloudy, with a low around 22. North northeast wind 6 to 9 mph.
Monday
Widespread frost before 11am. Otherwise, sunny, with a high near 41. Southwest wind around 6 mph becoming north northeast in the afternoon.
Monday Night
Widespread frost between 10pm and 2am. Otherwise, clear, with a low around 28.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Clear, with a low around 31.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
25 Miles SW Salmon ID
 44.88°N 114.21°W (Elev. 8981 ft)
Last Update:
3:30 am MDT Oct 4, 2025
Forecast Valid:
7am MDT Oct 4, 2025-6pm MDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation