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

79°F

26°C

Humidity 22%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 37°F (3°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 12 Jul 09:20 PM MDT
Extended Forecast for

4 Miles S Salmon ID

  • Tonight

    Tonight: Mostly clear, with a low around 54. North wind 5 to 7 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. North northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Light and variable wind becoming northwest 8 to 13 mph in the afternoon.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 21 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 54. North wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 94. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. North northwest wind 5 to 8 mph becoming calm after midnight.
Monday
Sunny, with a high near 94. Light and variable wind becoming northwest 8 to 13 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56. Northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 21 mph.
Tuesday
A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Salmon ID
 45.12°N 113.89°W (Elev. 4034 ft)
Last Update:
2:30 pm MDT Jul 12, 2025
Forecast Valid:
9pm MDT Jul 12, 2025-6pm MDT Jul 19, 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