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

19°F

-7°C

Humidity 67%
Wind Speed NW 8 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 28 Dec 12:55 AM MST
Extended Forecast for

12 Miles NE Sun Valley ID

  • Overnight

    Overnight: Partly cloudy, with a low around -6. Wind chill values as low as -31. Blustery, with a north northwest wind 18 to 22 mph.

    Low: -6 °F

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Sunny and cold, with a high near 10. Wind chill values as low as -26. North northwest wind 6 to 15 mph.

    High: 10 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature falling to near 2 by 8pm, then rising to around 11 during the remainder of the night. Wind chill values as low as -14. North wind 7 to 10 mph becoming west southwest in the evening.

    Low: 2 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 20. Wind chill values as low as -1. West wind 6 to 10 mph.

    High: 20 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. Northwest wind 6 to 9 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Wednesday Night

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

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around -6. Wind chill values as low as -31. Blustery, with a north northwest wind 18 to 22 mph.
Sunday
Sunny and cold, with a high near 10. Wind chill values as low as -26. North northwest wind 6 to 15 mph.
Sunday Night
Mostly clear, with a temperature falling to near 2 by 8pm, then rising to around 11 during the remainder of the night. Wind chill values as low as -14. North wind 7 to 10 mph becoming west southwest in the evening.
Monday
Sunny, with a high near 20. Wind chill values as low as -1. West wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 17. Northwest wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 17.
New Year's Day
Mostly cloudy, with a high near 25.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 19.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 9.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 15.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Sun Valley ID
 43.78°N 114.14°W (Elev. 10968 ft)
10:31 pm MST Dec 27, 2025
1am MST Dec 28, 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