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

34°F

1°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 04 Mar 02:00 AM MST
Extended Forecast for

18 Miles NE Challis ID

  • Overnight

    Overnight: Partly cloudy, with a low around 32. South wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly after 2pm. Snow level 5700 feet rising to 6700 feet in the afternoon. Mostly cloudy, with a high near 51. South wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 51 °F

    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 11pm. Low around 32. East wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: Snow likely, mainly before 11am. Partly sunny, with a high near 41. Northwest wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Likely
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. North northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. South wind around 6 mph.
Wednesday
A 40 percent chance of rain, mainly after 2pm. Snow level 5700 feet rising to 6700 feet in the afternoon. Mostly cloudy, with a high near 51. South wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Rain and snow, becoming all snow after 11pm. Low around 32. East wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly before 11am. Partly sunny, with a high near 41. Northwest wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy, with a low around 26. North northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
A slight chance of rain. Snow level 6900 feet lowering to 5600 feet in the afternoon . Partly sunny, with a high near 53. Breezy.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NE Challis ID
 44.72°N 114.02°W (Elev. 4846 ft)
Last Update:
1:11 am MST Mar 4, 2026
Forecast Valid:
2am MST Mar 4, 2026-6pm MDT Mar 10, 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