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.

Partly Cloudy

54°F

12°C

Humidity 34%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 08 Apr 08:35 PM MDT
Extended Forecast for

25 Miles SW Salmon ID

  • Tonight

    Tonight: Partly cloudy, with a low around 28. West wind 10 to 17 mph, with gusts as high as 29 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 46. West wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 46 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. West southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after noon, mixing with rain after 3pm. Partly sunny, with a high near 49. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 49 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain before midnight, then a chance of rain and snow. Snow level 9600 feet lowering to 9100 feet after midnight . Mostly cloudy, with a low around 33. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of snow before noon, then snow showers likely after noon. Some thunder is also possible. Mostly cloudy, with a high near 46. Breezy. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 46 °F

    Chance Snow
    then Snow
    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Snow Likely

  • Sunday

    Sunday: Snow. Mostly cloudy, with a high near 35.

    High: 35 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Snow Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 28. West wind 10 to 17 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 46. West wind 6 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 32. West southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Friday
A chance of snow after noon, mixing with rain after 3pm. Partly sunny, with a high near 49. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
A chance of rain before midnight, then a chance of rain and snow. Snow level 9600 feet lowering to 9100 feet after midnight . Mostly cloudy, with a low around 33. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A chance of snow before noon, then snow showers likely after noon. Some thunder is also possible. Mostly cloudy, with a high near 46. Breezy. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
Snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday
Snow. Mostly cloudy, with a high near 35.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 25.
Monday
Snow likely. Mostly cloudy, with a high near 32.
Monday Night
A slight chance of snow. Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles SW Salmon ID
 44.88°N 114.21°W (Elev. 8983 ft)
Last Update:
2:00 pm MDT Apr 8, 2026
Forecast Valid:
8pm MDT Apr 8, 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