Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

21°F

-6°C

Humidity 85%
Wind Speed NW 8 MPH
Barometer 30.52 in (1033.53 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 30 Dec 02:35 AM MST
Extended Forecast for

15 Miles ENE Sun Valley ID

  • Overnight

    Overnight: Clear, with a low around 17. West wind around 9 mph.

    Low: 17 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31. West wind 5 to 8 mph becoming calm.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 24. West southwest wind 6 to 9 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. West southwest wind 6 to 9 mph.

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. West wind 7 to 10 mph.

    Low: 24 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Snow likely, mainly after 11am.  Mostly cloudy, with a high near 26. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 26 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 23. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow.  Mostly cloudy, with a high near 27.

    High: 27 °F

    Chance Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Overnight
Clear, with a low around 17. West wind around 9 mph.
Tuesday
Sunny, with a high near 31. West wind 5 to 8 mph becoming calm.
Tuesday Night
Increasing clouds, with a low around 24. West southwest wind 6 to 9 mph.
Wednesday
Partly sunny, with a high near 32. West southwest wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 24. West wind 7 to 10 mph.
New Year's Day
Snow likely, mainly after 11am. Mostly cloudy, with a high near 26. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 27.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 25. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 14.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 21.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Sun Valley ID
 43.81°N 114.08°W (Elev. 9734 ft)
1:36 am MST Dec 30, 2025
2am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database