Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

Lat: 45.11667°NLon: 113.88333°WElev: 4045.0ft.

unknown precip,mist

30°F

-1°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 27°F (-3°C)
Visibility 3.50 mi
Last update 02 Dec 12:20 PM MST
Extended Forecast for

4 Miles S Salmon ID

  • This Afternoon

    This Afternoon: A chance of rain and snow before 3pm, then a chance of rain between 3pm and 4pm, then a slight chance of rain and snow after 4pm.  Snow level 4200 feet. Mostly cloudy, with a high near 37. Calm wind becoming north around 6 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 37 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A 30 percent chance of snow after 11pm.  Mostly cloudy, with a low around 18. East northeast wind around 5 mph becoming calm  in the evening.  Little or no snow accumulation expected.

    Low: 18 °F

    Chance Snow

  • Wednesday

    Wednesday: Patchy freezing fog before 9am. Mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Patchy
    Freezing Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 38. Light south southwest wind.

    High: 38 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain before 8pm, then a chance of rain and snow between 8pm and 5am, then a chance of snow after 5am.  Snow level 4300 feet. Mostly cloudy, with a low around 25. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 25 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A chance of snow before 8am, then a chance of rain and snow.  Snow level 4000 feet rising to 5400 feet in the afternoon. Mostly cloudy, with a high near 41. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain and snow before 11am, then a chance of rain.  Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

This Afternoon
A chance of rain and snow before 3pm, then a chance of rain between 3pm and 4pm, then a slight chance of rain and snow after 4pm. Snow level 4200 feet. Mostly cloudy, with a high near 37. Calm wind becoming north around 6 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 18. East northeast wind around 5 mph becoming calm in the evening. Little or no snow accumulation expected.
Wednesday
Patchy freezing fog before 9am. Mostly sunny, with a high near 37. Calm wind.
Wednesday Night
Partly cloudy, with a low around 17. Calm wind.
Thursday
Mostly cloudy, with a high near 38. Light south southwest wind.
Thursday Night
A slight chance of rain before 8pm, then a chance of rain and snow between 8pm and 5am, then a chance of snow after 5am. Snow level 4300 feet. Mostly cloudy, with a low around 25. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A chance of snow before 8am, then a chance of rain and snow. Snow level 4000 feet rising to 5400 feet in the afternoon. Mostly cloudy, with a high near 41. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 29.
Saturday
A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 44.
Saturday Night
A slight chance of rain, mixing with snow after 8pm, then gradually ending. Snow level 5400 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 26.
Sunday
Mostly cloudy, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Salmon ID
 45.12°N 113.89°W (Elev. 4035 ft)
1:02 am MST Dec 2, 2025
12pm MST Dec 2, 2025-6pm MST Dec 8, 2025
 
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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