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

46°F

8°C

Humidity 45%
Wind Speed NW 3 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 09 Apr 10:05 AM MDT
Extended Forecast for

8 Miles SSE Salmon ID

  • Today

    Today: Sunny, with a high near 52. Light north northwest wind increasing to 5 to 9 mph in the afternoon.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Northwest wind 6 to 10 mph becoming south southeast after midnight.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Snow level rising to 9500 feet in the afternoon. Partly sunny, with a high near 56. East southeast wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 56 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 40. South southeast wind around 16 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Chance Rain
    then Partly
    Cloudy

  • Saturday

    Saturday: A slight chance of rain before 9am, then rain and snow showers likely. Some thunder is also possible. Snow level 8300 feet. Partly sunny, with a high near 52. South wind 14 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 52 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 37. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow before noon, then snow showers after noon. Some thunder is also possible. High near 45. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Chance Snow
    then Snow
    Showers

  • Sunday Night

    Sunday Night: Snow likely. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Snow Likely

  • Monday

    Monday: Snow likely. Mostly cloudy, with a high near 40.

    High: 40 °F

    Snow Likely

Detailed Forecast

Today
Sunny, with a high near 52. Light north northwest wind increasing to 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 37. Northwest wind 6 to 10 mph becoming south southeast after midnight.
Friday
A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Snow level rising to 9500 feet in the afternoon. Partly sunny, with a high near 56. East southeast wind 6 to 9 mph. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 40. South southeast wind around 16 mph, with gusts as high as 20 mph.
Saturday
A slight chance of rain before 9am, then rain and snow showers likely. Some thunder is also possible. Snow level 8300 feet. Partly sunny, with a high near 52. South wind 14 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 37. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A chance of snow before noon, then snow showers after noon. Some thunder is also possible. High near 45. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Snow likely. Mostly cloudy, with a low around 33.
Monday
Snow likely. Mostly cloudy, with a high near 40.
Monday Night
A chance of snow before midnight. Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A slight chance of snow. Partly sunny, with a high near 45.
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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:
2:01 am MDT Apr 9, 2026
Forecast Valid:
10am MDT Apr 9, 2026-6pm MDT Apr 15, 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