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

25°F

-4°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 03 Mar 05:35 AM MST
Extended Forecast for

22 Miles NW Challis ID

  • Today

    Today: Sunny, with a high near 42. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. South wind around 7 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow after 11am. High near 38. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 25. Southwest wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 25 °F

    Snow

  • Thursday

    Thursday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 29. Northwest wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 29 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 20. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow before 11am. Partly sunny, with a high near 31. Little or no snow accumulation expected.

    High: 31 °F

    Chance Snow
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 11am. Partly sunny, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Sunny, with a high near 42. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 28. South wind around 7 mph.
Wednesday
Snow after 11am. High near 38. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow. Low around 25. Southwest wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 29. Northwest wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow before 11am. Partly sunny, with a high near 31. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 18.
Saturday
A slight chance of snow after 11am. Partly sunny, with a high near 38.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 42.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 32.
Monday
A chance of snow. Mostly cloudy, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NW Challis ID
 44.69°N 114.59°W (Elev. 7575 ft)
Last Update:
5:47 am MST Mar 3, 2026
Forecast Valid:
5am 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