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

52°F

11°C

Humidity 34%
Wind Speed N 4 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 03 Apr 04:56 PM MDT
Extended Forecast for

25 Miles SW Salmon ID

  • Tonight

    Tonight: Mostly clear, with a low around 19. West wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 40. West wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 40 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. West northwest wind 7 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 45. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. West southwest wind 8 to 10 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Windy.

    High: 43 °F

    Mostly Sunny
    then Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly after midnight. Partly cloudy, with a low around 25. Windy.

    Low: 25 °F

    Chance Snow
    and Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 19. West wind 8 to 14 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 40. West wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 26. West northwest wind 7 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 45. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 29. West southwest wind 8 to 10 mph.
Monday
Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 43. Windy.
Tuesday Night
A chance of snow, mainly after midnight. Partly cloudy, with a low around 25. Windy.
Wednesday
A chance of snow. Partly sunny, with a high near 35.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 22.
Thursday
A chance of snow. Partly sunny, with a high near 34.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 22.
Friday
A slight chance of snow. Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
25 Miles SW Salmon ID
 44.88°N 114.21°W (Elev. 8983 ft)
Last Update:
2:01 pm MDT Apr 3, 2026
Forecast Valid:
5pm MDT Apr 3, 2026-6pm MDT Apr 10, 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