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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

14°F

-10°C

Humidity 78%
Wind Speed NW 9 MPH
Barometer 30.6 in (1036.24 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 29 Dec 07:47 AM MST
Extended Forecast for

16 Miles ENE Sun Valley ID

  • Today

    Today: Sunny, with a high near 24. Wind chill values as low as -2. Northwest wind 3 to 7 mph.

    High: 24 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 16. Northwest wind 6 to 8 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 31. Northwest wind 3 to 8 mph.

    High: 31 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16. West northwest wind 5 to 9 mph.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. West wind 5 to 9 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of snow. Mostly cloudy, with a high near 24.

    High: 24 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow. Mostly cloudy, with a high near 24.

    High: 24 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 24. Wind chill values as low as -2. Northwest wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 16. Northwest wind 6 to 8 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 31. Northwest wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 16. West northwest wind 5 to 9 mph.
Wednesday
Mostly sunny, with a high near 30. West wind 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 19.
New Year's Day
A 20 percent chance of snow. Mostly cloudy, with a high near 24.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 24.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 23.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles ENE Sun Valley ID
 43.77°N 114.02°W (Elev. 9820 ft)
Last Update:
4:31 am MST Dec 29, 2025
Forecast Valid:
8am MST Dec 29, 2025-6pm MST Jan 4, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation