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.

Partly Cloudy

45°F

7°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 02 Mar 12:35 PM MST
Extended Forecast for

27 Miles SSW Shoup ID

  • This Afternoon

    This Afternoon: A 50 percent chance of snow. Mostly cloudy, with a high near 38. Southwest wind 6 to 9 mph becoming north. Total daytime snow accumulation of around an inch possible.

    High: 38 °F

    Chance Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 22. Northwest wind around 6 mph becoming light and variable in the evening.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 39. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow. Low around 26. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow

  • Thursday

    Thursday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 32. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

  • Friday

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

    High: 33 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Mostly cloudy, with a high near 38. Southwest wind 6 to 9 mph becoming north. Total daytime snow accumulation of around an inch possible.
Tonight
Partly cloudy, with a low around 22. Northwest wind around 6 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 46. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 28. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 39. South southwest wind 9 to 13 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 26. 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 32. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21.
Friday
A chance of snow, mainly before 11am. Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 21.
Saturday
A slight chance of snow. Partly sunny, with a high near 38.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 30.
Sunday
A slight chance of snow. Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
27 Miles SSW Shoup ID
 45°N 114.44°W (Elev. 7595 ft)
Last Update:
11:27 am MST Mar 2, 2026
Forecast Valid:
12pm MST Mar 2, 2026-6pm MDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation