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.

Rain

50°F

10°C

Humidity 87%
Wind Speed NNE 3 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 04 Oct 05:05 AM MDT
Extended Forecast for

28 Miles SSW Shoup ID

  • Overnight

    Overnight: A slight chance of rain and snow. Snow level 7900 feet. Cloudy, with a low around 36. North wind around 7 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of rain and snow before 9am, then a slight chance of rain and snow after 4pm. Snow level 7600 feet. Mostly cloudy, with a high near 44. North wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of snow before 3am, then a chance of snow after 4am. Mostly cloudy, with a low around 30. North northwest wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Slight Chance
    Snow then
    Chance Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a high near 40. Calm wind becoming north northeast around 6 mph in the morning. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Widespread frost after 9pm. Otherwise, partly cloudy, with a low around 27. North northeast wind 3 to 6 mph.

    Low: 27 °F

    Frost

  • Monday

    Monday: Widespread frost before 10am. Otherwise, sunny, with a high near 48.

    High: 48 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 31.

    Low: 31 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

Detailed Forecast

Overnight
A slight chance of rain and snow. Snow level 7900 feet. Cloudy, with a low around 36. North wind around 7 mph. Chance of precipitation is 20%.
Saturday
A slight chance of rain and snow before 9am, then a slight chance of rain and snow after 4pm. Snow level 7600 feet. Mostly cloudy, with a high near 44. North wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Saturday Night
A chance of snow before 3am, then a chance of snow after 4am. Mostly cloudy, with a low around 30. North northwest wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 40. Calm wind becoming north northeast around 6 mph in the morning. New snow accumulation of less than a half inch possible.
Sunday Night
Widespread frost after 9pm. Otherwise, partly cloudy, with a low around 27. North northeast wind 3 to 6 mph.
Monday
Widespread frost before 10am. Otherwise, sunny, with a high near 48.
Monday Night
Clear, with a low around 31.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Clear, with a low around 34.
Wednesday
Sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 38.
Friday
Sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
28 Miles SSW Shoup ID
 45°N 114.5°W (Elev. 7442 ft)
Last Update:
3:30 am MDT Oct 4, 2025
Forecast Valid:
5am MDT Oct 4, 2025-6pm MDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation