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

27°F

-3°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 03 Mar 03:20 AM MST
Extended Forecast for

28 Miles SSW Shoup ID

  • Overnight

    Overnight: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 29. Southwest wind 6 to 10 mph.

    Low: 29 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Snow likely after 11am. Mostly cloudy, with a high near 40. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow. Low around 27. West southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow

  • Thursday

    Thursday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 31. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 22. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow

  • Friday

    Friday: A chance of snow before 11am. Partly sunny, with a high near 33.

    High: 33 °F

    Chance Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 23. Calm wind.
Tuesday
Sunny, with a high near 47. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 29. Southwest wind 6 to 10 mph.
Wednesday
Snow likely after 11am. Mostly cloudy, with a high near 40. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 27. West southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 31. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 11am. Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 21.
Saturday
A slight chance of snow after 11am. Mostly cloudy, with a high near 39.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 44.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 33.
Monday
A chance of snow. Mostly cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
28 Miles SSW Shoup ID
 45°N 114.5°W (Elev. 7444 ft)
Last Update:
11:21 pm MST Mar 2, 2026
Forecast Valid:
3am MST Mar 3, 2026-6pm MDT Mar 9, 2026
 
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