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

68°F

20°C

Humidity 29%
Wind Speed S 16 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 01 Oct 05:56 PM MDT
Extended Forecast for

29 Miles NW Challis ID

  • Tonight

    Tonight: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 41. South southwest wind 6 to 16 mph, with gusts as high as 28 mph.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 55. South southwest wind 5 to 9 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers after 9pm. Low around 40. Southwest wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 3pm. High near 46. North wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 46 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 36. North northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of rain showers before 9am, then a chance of rain and snow showers between 9am and noon, then a chance of rain showers after noon. Snow level 8000 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before 3am, then a chance of snow showers. Snow level 8000 feet lowering to 7300 feet after midnight . Mostly cloudy, with a low around 32. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow showers before 3pm, then a chance of rain and snow showers. Partly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of rain and snow showers before midnight. Widespread frost after midnight. Snow level 7600 feet lowering to 7300 feet after midnight . Otherwise, partly cloudy, with a low around 30.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Frost

Detailed Forecast

Tonight
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 41. South southwest wind 6 to 16 mph, with gusts as high as 28 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 55. South southwest wind 5 to 9 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers after 9pm. Low around 40. Southwest wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Showers, with thunderstorms also possible after 3pm. High near 46. North wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 36. North northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain showers before 9am, then a chance of rain and snow showers between 9am and noon, then a chance of rain showers after noon. Snow level 8000 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
A chance of rain and snow showers before 3am, then a chance of snow showers. Snow level 8000 feet lowering to 7300 feet after midnight . Mostly cloudy, with a low around 32. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A chance of snow showers before 3pm, then a chance of rain and snow showers. Partly sunny, with a high near 44.
Sunday Night
A slight chance of rain and snow showers before midnight. Widespread frost after midnight. Snow level 7600 feet lowering to 7300 feet after midnight . Otherwise, partly cloudy, with a low around 30.
Monday
Widespread frost before 10am. Otherwise, sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
29 Miles NW Challis ID
 44.81°N 114.62°W (Elev. 7314 ft)
Last Update:
2:31 pm MDT Oct 1, 2025
Forecast Valid:
6pm MDT Oct 1, 2025-6pm MDT Oct 8, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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