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.

Overcast

54°F

12°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 03 Oct 01:56 PM MDT
Extended Forecast for

16 Miles WSW Salmon ID

  • This Afternoon

    This Afternoon: Rain likely, mainly after 3pm. Cloudy, with a high near 55. West northwest wind around 7 mph. Chance of precipitation is 70%.

    High: 55 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely, mainly after 5am. Cloudy, with a low around 38. North northwest wind around 7 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 53. North northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 34. North northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 34 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Partly sunny, with a high near 51. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Widespread frost after 3am. Otherwise, partly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 32.

    Low: 32 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Rain likely, mainly after 3pm. Cloudy, with a high near 55. West northwest wind around 7 mph. Chance of precipitation is 70%.
Tonight
Rain likely, mainly after 5am. Cloudy, with a low around 38. North northwest wind around 7 mph. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 53. North northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 34. North northwest wind 5 to 9 mph becoming calm after midnight.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 51. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Sunday Night
Widespread frost after 3am. Otherwise, partly cloudy, with a low around 30.
Monday
Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 58.
Monday Night
Clear, with a low around 32.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Clear, with a low around 34.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
A slight chance of rain. Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles WSW Salmon ID
 45.11°N 114.22°W (Elev. 4090 ft)
Last Update:
3:31 am MDT Oct 3, 2025
Forecast Valid:
2pm MDT Oct 3, 2025-6pm MDT Oct 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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