National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5°NLon: 114.3°WElev: 5318.0ft.

Overcast

37°F

3°C

Humidity 74%
Wind Speed NW 9 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 31 Dec 08:47 PM MST
Extended Forecast for

Sun Valley ID

  • Tonight

    Tonight: Increasing clouds, with a low around 26. Light north northwest wind.

    Low: 26 °F

    Increasing
    Clouds

  • New Year's Day

    New Year's Day: Snow likely, mainly after 11am. Cloudy, with a high near 36. Light and variable wind. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow before 11pm, then snow likely, possibly mixed with rain between 11pm and midnight, then snow likely after midnight. Snow level 6500 feet. Low around 28. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Likely

  • Friday

    Friday: A chance of snow before 10am, then a chance of rain between 10am and 11am. Snow level 7100 feet. Partly sunny, with a high near 41. West northwest wind 3 to 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. Southwest wind around 5 mph becoming light and variable.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Snow level 6800 feet. Partly sunny, with a high near 40. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain likely before 8pm, then rain and snow likely between 8pm and 2am, then snow likely after 2am. Snow level 6600 feet. Mostly cloudy, with a low around 27. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow likely. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.

    High: 38 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °F

    Snow Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 26. Light north northwest wind.
New Year's Day
Snow likely, mainly after 11am. Cloudy, with a high near 36. Light and variable wind. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
Snow before 11pm, then snow likely, possibly mixed with rain between 11pm and midnight, then snow likely after midnight. Snow level 6500 feet. Low around 28. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 10am, then a chance of rain between 10am and 11am. Snow level 7100 feet. Partly sunny, with a high near 41. West northwest wind 3 to 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
Mostly cloudy, with a low around 26. Southwest wind around 5 mph becoming light and variable.
Saturday
A chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Snow level 6800 feet. Partly sunny, with a high near 40. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Rain likely before 8pm, then rain and snow likely between 8pm and 2am, then snow likely after 2am. Snow level 6600 feet. Mostly cloudy, with a low around 27. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 35.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
A 30 percent chance of snow. Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Valley ID
 43.69°N 114.33°W (Elev. 6385 ft)
Last Update:
4:31 pm MST Dec 31, 2025
Forecast Valid:
9pm MST Dec 31, 2025-6pm MST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation