National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

Lat: 45.11667°NLon: 113.88333°WElev: 4045.0ft.

Clear

46°F

8°C

Humidity 65%
Wind Speed S 3 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 17 Oct 10:56 AM MDT
Extended Forecast for

17 Miles S Salmon ID

  • Today

    Today: Sunny, with a high near 55. South southwest wind 11 to 18 mph, with gusts as high as 25 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Southwest wind 8 to 14 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53. South southwest wind 6 to 8 mph.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. South wind 5 to 13 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54. South wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Snow level 8600 feet rising to 9600 feet in the afternoon. Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 55. South southwest wind 11 to 18 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 34. Southwest wind 8 to 14 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 53. South southwest wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 35. South wind 5 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 54. South wind 9 to 13 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A 20 percent chance of rain after noon. Snow level 8600 feet rising to 9600 feet in the afternoon. Partly sunny, with a high near 50.
Tuesday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
A chance of rain after midnight. Partly cloudy, with a low around 36.
Thursday
Rain likely. Partly sunny, with a high near 46.
Thursday Night
Rain and snow likely. Snow level 9700 feet lowering to 8300 feet after midnight . Mostly cloudy, with a low around 33.
Friday
Rain and snow likely. Mostly cloudy, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles S Salmon ID
 44.93°N 113.88°W (Elev. 7589 ft)
Last Update:
2:01 am MDT Oct 17, 2026
Forecast Valid:
11am MDT Oct 17, 2026-6pm MDT Oct 23, 2026
 
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Additional Resources

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