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

37°F

3°C

Humidity 69%
Wind Speed NNE 3 MPH
Barometer 30.46 in (1031.49 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 04 Apr 10:05 AM MDT
Extended Forecast for

22 Miles NW Challis ID

  • Today

    Today: Sunny, with a high near 46. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind around 6 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. West wind 5 to 7 mph becoming south southwest after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 52. Light southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 52 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of rain and snow after noon. Snow level 7900 feet. Mostly sunny, with a high near 49. Breezy. Chance of precipitation is 20%.

    High: 49 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain before 9pm, then a chance of snow. Mostly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Chance
    Rain/Snow and
    Breezy then
    Chance Snow

  • Wednesday

    Wednesday: A chance of snow. Partly sunny, with a high near 40.

    High: 40 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 46. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 28. West wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 51. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 32. West wind 5 to 7 mph becoming south southwest after midnight.
Monday
Partly sunny, with a high near 52. Light southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 33.
Tuesday
A slight chance of rain and snow after noon. Snow level 7900 feet. Mostly sunny, with a high near 49. Breezy. Chance of precipitation is 20%.
Tuesday Night
A chance of rain before 9pm, then a chance of snow. Mostly cloudy, with a low around 30. Breezy.
Wednesday
A chance of snow. Partly sunny, with a high near 40.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 25.
Thursday
A chance of snow. Partly sunny, with a high near 40.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 24.
Friday
A chance of snow. Mostly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
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:
2:52 am MDT Apr 4, 2026
Forecast Valid:
10am MDT Apr 4, 2026-6pm MDT Apr 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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