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

39°F

4°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Oct 11:35 PM MDT
Extended Forecast for

22 Miles WSW Salmon ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Southwest wind 5 to 8 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Southwest wind 3 to 7 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. South wind 5 to 9 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 64. South wind 7 to 9 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. South southeast wind 5 to 8 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight. Partly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. Southwest wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 64. Southwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 37. South wind 5 to 9 mph.
Monday
Sunny, with a high near 64. South wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 36. South southeast wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
A slight chance of rain before midnight. Partly cloudy, with a low around 37.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 59.
Thursday Night
Rain likely. Mostly cloudy, with a low around 39.
Friday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 49.
Friday Night
A chance of rain and snow. Snow level 7800 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 32.
Saturday
A slight chance of rain and snow. Snow level 6000 feet rising to 6900 feet in the afternoon. Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles WSW Salmon ID
 45.04°N 114.3°W (Elev. 5650 ft)
Last Update:
2:01 pm MDT Oct 17, 2026
Forecast Valid:
11pm MDT Oct 17, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation