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

64°F

18°C

Humidity 18%
Wind Speed NNW 8 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 08 Apr 05:05 PM MDT
Extended Forecast for

28 Miles SSW Shoup ID

  • Tonight

    Tonight: Partly cloudy, with a low around 32. West wind 10 to 15 mph becoming light south southwest after midnight. Winds could gust as high as 25 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 53. Light southwest wind becoming west 5 to 10 mph in the afternoon.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. West wind 5 to 9 mph becoming light and variable after midnight.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of rain after noon. Snow level 7800 feet rising to 9300 feet in the afternoon. Partly sunny, with a high near 57. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 57 °F

    Mostly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37. Southwest wind 8 to 11 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before noon, then rain and snow showers between noon and 3pm, then rain showers after 3pm. Some thunder is also possible. Snow level 8400 feet. High near 51. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 51 °F

    Chance Rain
    then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain likely before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Snow level 8200 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 34. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow. Mostly cloudy, with a high near 41.

    High: 41 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Snow Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 32. West wind 10 to 15 mph becoming light south southwest after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 53. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 36. West wind 5 to 9 mph becoming light and variable after midnight.
Friday
A 40 percent chance of rain after noon. Snow level 7800 feet rising to 9300 feet in the afternoon. Partly sunny, with a high near 57. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37. Southwest wind 8 to 11 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Saturday
A chance of rain before noon, then rain and snow showers between noon and 3pm, then rain showers after 3pm. Some thunder is also possible. Snow level 8400 feet. High near 51. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
Rain likely before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Snow level 8200 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 34. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday
Snow. Mostly cloudy, with a high near 41.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 29.
Monday
Snow likely. Mostly cloudy, with a high near 39.
Monday Night
A slight chance of snow. Partly cloudy, with a low around 27.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
A chance of snow. Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
28 Miles SSW Shoup ID
 45°N 114.5°W (Elev. 7444 ft)
Last Update:
2:00 pm MDT Apr 8, 2026
Forecast Valid:
5pm MDT Apr 8, 2026-6pm MDT Apr 15, 2026
 
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