Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

23°F

-5°C

Humidity 62%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 27 Dec 08:55 PM MST
Extended Forecast for

11 Miles NE Sun Valley ID

  • Tonight

    Tonight: Mostly clear, with a low around -5. Wind chill values as low as -26. North wind 14 to 20 mph, with gusts as high as 30 mph.

    Low: -5 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 12. Wind chill values as low as -22. North wind 5 to 10 mph.

    High: 12 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature falling to near 4 by 8pm, then rising to around 13 during the remainder of the night. Wind chill values as low as -9. North northeast wind 6 to 8 mph becoming west southwest in the evening.

    Low: 4 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 21. West wind 5 to 7 mph.

    High: 21 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Northwest wind around 6 mph.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Wednesday Night

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

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -5. Wind chill values as low as -26. North wind 14 to 20 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 12. Wind chill values as low as -22. North wind 5 to 10 mph.
Sunday Night
Mostly clear, with a temperature falling to near 4 by 8pm, then rising to around 13 during the remainder of the night. Wind chill values as low as -9. North northeast wind 6 to 8 mph becoming west southwest in the evening.
Monday
Sunny, with a high near 21. West wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 18. Northwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 19.
New Year's Day
Mostly cloudy, with a high near 26.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 18.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 22.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 10.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 17.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NE Sun Valley ID
 43.77°N 114.17°W (Elev. 10220 ft)
4:31 pm MST Dec 27, 2025
9pm MST Dec 27, 2025-6pm MST Jan 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database