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

48°F

9°C

Humidity 42%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 09 Apr 10:35 AM MDT
Extended Forecast for

22 Miles NW Challis ID

  • Today

    Today: Sunny, with a high near 51. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. West wind 5 to 7 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Rain likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Snow level 8300 feet rising to 9700 feet in the afternoon. Partly sunny, with a high near 54. Calm wind becoming south southeast 5 to 8 mph in the afternoon. Chance of precipitation is 60%.

    High: 54 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 35. West southwest wind 6 to 9 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely before 9am, then rain and snow showers. Some thunder is also possible. Snow level 8400 feet lowering to 7900 feet in the afternoon . High near 47. South southeast wind 6 to 16 mph becoming southwest in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow before midnight, then a chance of snow. Snow level 7900 feet lowering to 7600 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 41. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Snow Showers

  • Sunday Night

    Sunday Night: Snow likely. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Snow Likely

  • Monday

    Monday: Snow likely. Mostly cloudy, with a high near 39.

    High: 39 °F

    Snow Likely

Detailed Forecast

Today
Sunny, with a high near 51. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
Partly cloudy, with a low around 35. West wind 5 to 7 mph becoming calm in the evening.
Friday
Rain likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Snow level 8300 feet rising to 9700 feet in the afternoon. Partly sunny, with a high near 54. Calm wind becoming south southeast 5 to 8 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35. West southwest wind 6 to 9 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Saturday
Rain likely before 9am, then rain and snow showers. Some thunder is also possible. Snow level 8400 feet lowering to 7900 feet in the afternoon . High near 47. South southeast wind 6 to 16 mph becoming southwest in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night
A chance of rain and snow before midnight, then a chance of snow. Snow level 7900 feet lowering to 7600 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 41. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely. Mostly cloudy, with a low around 27.
Monday
Snow likely. Mostly cloudy, with a high near 39.
Monday Night
A chance of snow before midnight. Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
A chance of snow. Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NW Challis ID
 44.69°N 114.59°W (Elev. 7575 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