Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

36°F

2°C

Humidity 59%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 03 Dec 12:20 PM MST
Extended Forecast for

4 Miles S Salmon ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 36. Calm wind.

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Patchy freezing fog after 5am. Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Partly Cloudy
    then Patchy
    Freezing Fog

  • Thursday

    Thursday: Patchy freezing fog between 7am and 8am. Mostly cloudy, with a high near 37. Light and variable wind.

    High: 37 °F

    Patchy
    Freezing Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A chance of rain and snow before 2am, then a chance of snow.  Patchy freezing fog after 4am. Cloudy, with a low around 23. Light west wind.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance
    Rain/Snow and
    Patchy
    Freezing Fog

  • Friday

    Friday: A slight chance of snow before 11am, then a chance of rain and snow.  Patchy freezing fog before 11am. Snow level rising to 4800 feet in the afternoon. Mostly cloudy, with a high near 41. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance
    Rain/Snow and
    Patchy
    Freezing Fog

  • Friday Night

    Friday Night: Rain likely, possibly mixed with snow before 11pm, then rain likely, possibly mixed with snow and freezing rain.  Mostly cloudy, with a low around 28. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 28 °F

    Wintry Mix
    Likely

  • Saturday

    Saturday: Rain likely, possibly mixed with snow and freezing rain, becoming all rain after 8am.  Snow level 5000 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Wintry Mix
    Likely then
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 8pm, then a chance of rain and snow.  Snow level 5100 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of rain and snow between 11am and 5pm, then a slight chance of rain after 5pm.  Snow level 4000 feet rising to 5300 feet in the afternoon. Mostly cloudy, with a high near 42.

    High: 42 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 36. Calm wind.
Tonight
Patchy freezing fog after 5am. Partly cloudy, with a low around 17. Calm wind.
Thursday
Patchy freezing fog between 7am and 8am. Mostly cloudy, with a high near 37. Light and variable wind.
Thursday Night
A chance of rain and snow before 2am, then a chance of snow. Patchy freezing fog after 4am. Cloudy, with a low around 23. Light west wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
A slight chance of snow before 11am, then a chance of rain and snow. Patchy freezing fog before 11am. Snow level rising to 4800 feet in the afternoon. Mostly cloudy, with a high near 41. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
Rain likely, possibly mixed with snow before 11pm, then rain likely, possibly mixed with snow and freezing rain. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
Rain likely, possibly mixed with snow and freezing rain, becoming all rain after 8am. Snow level 5000 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A chance of rain before 8pm, then a chance of rain and snow. Snow level 5100 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 23.
Sunday
A slight chance of rain and snow between 11am and 5pm, then a slight chance of rain after 5pm. Snow level 4000 feet rising to 5300 feet in the afternoon. Mostly cloudy, with a high near 42.
Sunday Night
A slight chance of rain before 8pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 45.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Salmon ID
 45.12°N 113.89°W (Elev. 4035 ft)
1:01 am MST Dec 3, 2025
12pm MST Dec 3, 2025-6pm MST Dec 9, 2025
 
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Additional Resources

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