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

53°F

12°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 03 Oct 07:56 PM MDT
Extended Forecast for

10 Miles SE Salmon ID

  • Tonight

    Tonight: A 50 percent chance of rain after 3am. Mostly cloudy, with a low around 41. West northwest wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 1pm, then a slight chance of rain after 4pm. Mostly cloudy, with a high near 56. Northwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 56 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35. North northwest wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Partly sunny, with a high near 52. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 52 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Widespread frost after midnight. Otherwise, partly cloudy, with a low around 27. East wind 3 to 6 mph.

    Low: 27 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Patchy fog between 9am and 10am. Widespread frost, mainly before 11am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Frost and
    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Widespread frost, mainly after midnight. Otherwise, clear, with a low around 29.

    Low: 29 °F

    Frost

  • Tuesday

    Tuesday: Widespread frost before 11am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost, mainly after 2am. Otherwise, clear, with a low around 32.

    Low: 32 °F

    Clear then
    Frost

Detailed Forecast

Tonight
A 50 percent chance of rain after 3am. Mostly cloudy, with a low around 41. West northwest wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain before 1pm, then a slight chance of rain after 4pm. Mostly cloudy, with a high near 56. Northwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35. North northwest wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 52. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunday Night
Widespread frost after midnight. Otherwise, partly cloudy, with a low around 27. East wind 3 to 6 mph.
Monday
Patchy fog between 9am and 10am. Widespread frost, mainly before 11am. Otherwise, sunny, with a high near 58.
Monday Night
Widespread frost, mainly after midnight. Otherwise, clear, with a low around 29.
Tuesday
Widespread frost before 11am. Otherwise, sunny, with a high near 64.
Tuesday Night
Widespread frost, mainly after 2am. Otherwise, clear, with a low around 32.
Wednesday
Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 67.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 36.
Friday
A slight chance of rain. Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SE Salmon ID
 45.1°N 113.73°W (Elev. 4405 ft)
Last Update:
2:31 pm MDT Oct 3, 2025
Forecast Valid:
8pm MDT Oct 3, 2025-6pm MDT Oct 10, 2025
 
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