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

41°F

5°C

Humidity 52%
Wind Speed N 0 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 09 Mar 01:00 AM MDT
Extended Forecast for

30 Miles SSW Shoup ID

  • Overnight

    Overnight: A 20 percent chance of snow after 5am. Snow level 6600 feet lowering to 6000 feet. Partly cloudy, with a low around 30. West southwest wind around 14 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Slight Chance
    Snow

  • Monday

    Monday: A 30 percent chance of snow, mainly before 10am. Partly sunny, with a high near 38. Breezy, with a west southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 43 mph. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. West wind 13 to 18 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 36 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of snow. Partly sunny, with a high near 29. West wind 6 to 15 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15. West northwest wind 5 to 14 mph becoming south southwest after midnight. Winds could gust as high as 28 mph.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after noon. Partly sunny, with a high near 38. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Slight Chance
    Snow then
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow before midnight, then rain and snow. Low around 32. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Snow then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow, becoming all rain after 3pm. Snow level 6500 feet. Cloudy, with a high near 44. Breezy.

    High: 44 °F

    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Rain and snow likely. Snow level 6800 feet. Cloudy, with a low around 36. Breezy.

    Low: 36 °F

    Rain/Snow
    Likely and
    Breezy

Detailed Forecast

Overnight
A 20 percent chance of snow after 5am. Snow level 6600 feet lowering to 6000 feet. Partly cloudy, with a low around 30. West southwest wind around 14 mph, with gusts as high as 30 mph.
Monday
A 30 percent chance of snow, mainly before 10am. Partly sunny, with a high near 38. Breezy, with a west southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 43 mph. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around 18. West wind 13 to 18 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 36 mph.
Tuesday
A 50 percent chance of snow. Partly sunny, with a high near 29. West wind 6 to 15 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
Mostly cloudy, with a low around 15. West northwest wind 5 to 14 mph becoming south southwest after midnight. Winds could gust as high as 28 mph.
Wednesday
A 50 percent chance of snow, mainly after noon. Partly sunny, with a high near 38. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow before midnight, then rain and snow. Low around 32. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow, becoming all rain after 3pm. Snow level 6500 feet. Cloudy, with a high near 44. Breezy.
Thursday Night
Rain and snow likely. Snow level 6800 feet. Cloudy, with a low around 36. Breezy.
Friday
Rain and snow likely before noon, then a chance of rain. Snow level 6600 feet. Mostly cloudy, with a high near 47.
Friday Night
Rain and snow likely. Snow level 6900 feet. Mostly cloudy, with a low around 36.
Saturday
Rain and snow. Snow level 6800 feet. Cloudy, with a high near 45. Breezy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 29. Breezy.
Sunday
Snow likely. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
30 Miles SSW Shoup ID
 44.97°N 114.53°W (Elev. 6001 ft)
Last Update:
12:21 am MDT Mar 9, 2026
Forecast Valid:
1am MDT Mar 9, 2026-6pm MDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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