Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

AJ7E Sun Valley (AS399)

Lat: 39.6°NLon: 119.77883°WElev: 4767.0ft.

NA

22°F

-6°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 30.69 in (1039.28 mb)
Dewpoint 13°F (-11°C)
Visibility NA
Last update 29 Dec 12:45 AM PST
Extended Forecast for

Sun Valley NV

  • Overnight

    Overnight: Mostly clear, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 43. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46. Calm wind.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of rain after 4pm.  Snow level 5100 feet rising to 6900 feet in the afternoon. Partly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 10pm.  Snow level 7500 feet. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Rain

  • New Year's Day

    New Year's Day: A chance of rain.  Snow level 7900 feet. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain.  Snow level 7500 feet. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 20. Calm wind.
Monday
Sunny, with a high near 43. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 21. Calm wind.
Tuesday
Sunny, with a high near 46. Calm wind.
Tuesday Night
Partly cloudy, with a low around 24. Calm wind.
Wednesday
A 10 percent chance of rain after 4pm. Snow level 5100 feet rising to 6900 feet in the afternoon. Partly sunny, with a high near 48. Calm wind.
Wednesday Night
A 30 percent chance of rain, mainly after 10pm. Snow level 7500 feet. Mostly cloudy, with a low around 29.
New Year's Day
A chance of rain. Snow level 7900 feet. Mostly cloudy, with a high near 48.
Thursday Night
A chance of rain. Snow level 7500 feet. Mostly cloudy, with a low around 35.
Friday
A chance of rain. Snow level 7000 feet. Partly sunny, with a high near 51.
Friday Night
A chance of rain and snow. Snow level 6600 feet lowering to 5900 feet after midnight . Mostly cloudy, with a low around 34.
Saturday
A chance of rain and snow. Snow level 5500 feet. Mostly cloudy, with a high near 47.
Saturday Night
A chance of rain and snow. Snow level 5100 feet. Mostly cloudy, with a low around 30.
Sunday
A chance of rain and snow. Snow level rising to 5400 feet in the afternoon. Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Sun Valley NV
 39.6°N 119.77°W (Elev. 4797 ft)
9:15 pm PST Dec 28, 2025
1am PST Dec 29, 2025-6pm PST Jan 4, 2026
 
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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