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

45°F

7°C

Humidity 56%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 07 Mar 06:35 PM MST
Extended Forecast for

8 Miles SSE Salmon ID

  • Tonight

    Tonight: Partly cloudy, with a low around 31. West southwest wind 10 to 15 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 44. Breezy, with a southwest wind 18 to 25 mph, with gusts as high as 33 mph.

    High: 44 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. Windy, with a southwest wind 28 to 30 mph, with gusts as high as 37 mph.

    Low: 33 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 35. Windy, with a west southwest wind 26 to 30 mph, with gusts as high as 38 mph.

    High: 35 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: A 20 percent chance of snow. Partly cloudy, with a low around 20. Blustery, with a northwest wind 24 to 29 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 38 mph.

    Low: 20 °F

    Slight Chance
    Snow and
    Blustery

  • Tuesday

    Tuesday: A 20 percent chance of snow. Partly sunny, with a high near 24. Blustery.

    High: 24 °F

    Slight Chance
    Snow and
    Blustery

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 31. West southwest wind 10 to 15 mph.
Sunday
Sunny, with a high near 44. Breezy, with a southwest wind 18 to 25 mph, with gusts as high as 33 mph.
Sunday Night
Mostly clear, with a low around 33. Windy, with a southwest wind 28 to 30 mph, with gusts as high as 37 mph.
Monday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 35. Windy, with a west southwest wind 26 to 30 mph, with gusts as high as 38 mph.
Monday Night
A 20 percent chance of snow. Partly cloudy, with a low around 20. Blustery, with a northwest wind 24 to 29 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 38 mph.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 24. Blustery.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 33.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 40. Breezy.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Windy.
Friday
A chance of snow. Mostly cloudy, with a high near 35.
Friday Night
A chance of snow. Mostly cloudy, with a low around 30.
Saturday
A chance of snow. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Salmon ID
 45.06°N 113.85°W (Elev. 7946 ft)
Last Update:
1:00 pm MST Mar 7, 2026
Forecast Valid:
6pm MST Mar 7, 2026-6pm MDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation