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.

Clear

23°F

-5°C

Humidity 92%
Wind Speed SE 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 03 Mar 07:20 AM MST
Extended Forecast for

27 Miles SSW Shoup ID

  • Today

    Today: Sunny, with a high near 46. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 28. South southwest wind 8 to 10 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Snow likely after 11am. Mostly cloudy, with a high near 40. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow. Low around 26. West southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow

  • Thursday

    Thursday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 30. Northwest wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Snow Likely
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 22. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow before 11am. Partly sunny, with a high near 32. Little or no snow accumulation expected.

    High: 32 °F

    Chance Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 11am. Mostly cloudy, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Sunny, with a high near 46. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 28. South southwest wind 8 to 10 mph.
Wednesday
Snow likely after 11am. Mostly cloudy, with a high near 40. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 26. West southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 30. Northwest wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow before 11am. Partly sunny, with a high near 32. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 20.
Saturday
A slight chance of snow after 11am. Mostly cloudy, with a high near 38.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 43.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 32.
Monday
A chance of snow. Mostly cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
27 Miles SSW Shoup ID
 45°N 114.44°W (Elev. 7595 ft)
Last Update:
5:47 am MST Mar 3, 2026
Forecast Valid:
7am MST Mar 3, 2026-6pm MDT Mar 9, 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