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

21°F

-6°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 27 Dec 09:55 PM MST
Extended Forecast for

12 Miles ESE Sun Valley ID

  • Tonight

    Tonight: Partly cloudy, with a low around 6. Wind chill values as low as -7. North northwest wind 7 to 9 mph.

    Low: 6 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 21. Wind chill values as low as -3. North northwest wind around 6 mph becoming calm  in the morning.

    High: 21 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a temperature rising to around 21 by 5am. Calm wind becoming north around 5 mph.

    Low: 14 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 28. Light and variable wind.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. Light north wind.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 6. Wind chill values as low as -7. North northwest wind 7 to 9 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 21. Wind chill values as low as -3. North northwest wind around 6 mph becoming calm in the morning.
Sunday Night
Clear, with a temperature rising to around 21 by 5am. Calm wind becoming north around 5 mph.
Monday
Sunny, with a high near 28. Light and variable wind.
Monday Night
Mostly clear, with a low around 23. Light north wind.
Tuesday
Sunny, with a high near 33.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 27.
New Year's Day
Mostly cloudy, with a high near 37.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 28.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 33.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Sun Valley ID
 43.63°N 114.08°W (Elev. 7303 ft)
4:31 pm MST Dec 27, 2025
10pm MST Dec 27, 2025-6pm MST Jan 3, 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