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.

light rain,mist

52°F

11°C

Humidity 89%
Wind Speed NNW 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 49°F (9°C)
Visibility 6.00 mi
Last update 03 Oct 11:56 AM MDT
Extended Forecast for

19 Miles SE Salmon ID

  • This Afternoon

    This Afternoon: Rain likely, mainly after 3pm. Partly sunny, with a high near 59. North northwest wind 6 to 10 mph. Chance of precipitation is 60%.

    High: 59 °F

    Rain Likely

  • Tonight

    Tonight: A chance of rain and thunderstorms, then rain likely after 4am. Mostly cloudy, with a low around 42. North wind 7 to 10 mph. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Saturday

    Saturday: A 50 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 53. North northwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 53 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Partly sunny, with a high near 51. Calm wind becoming east 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 29.

    Low: 29 °F

    Mostly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost before 11am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Widespread frost between 3am and 5am. Otherwise, clear, with a low around 30.

    Low: 30 °F

    Clear then
    Frost

  • Tuesday

    Tuesday: Widespread frost between 8am and 10am. Otherwise, sunny, with a high near 63.

    High: 63 °F

    Frost then
    Sunny

Detailed Forecast

This Afternoon
Rain likely, mainly after 3pm. Partly sunny, with a high near 59. North northwest wind 6 to 10 mph. Chance of precipitation is 60%.
Tonight
A chance of rain and thunderstorms, then rain likely after 4am. Mostly cloudy, with a low around 42. North wind 7 to 10 mph. Chance of precipitation is 60%.
Saturday
A 50 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 53. North northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Saturday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 51. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Sunday Night
Widespread frost after 3am. Otherwise, partly cloudy, with a low around 29.
Monday
Widespread frost before 11am. Otherwise, sunny, with a high near 56.
Monday Night
Widespread frost between 3am and 5am. Otherwise, clear, with a low around 30.
Tuesday
Widespread frost between 8am and 10am. Otherwise, sunny, with a high near 63.
Tuesday Night
Clear, with a low around 32.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SE Salmon ID
 44.96°N 113.64°W (Elev. 4897 ft)
Last Update:
3:31 am MDT Oct 3, 2025
Forecast Valid:
12pm 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