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.

light snow

30°F

-1°C

Humidity 68%
Wind Speed WSW 6 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 27 Dec 09:47 AM MST
Extended Forecast for

11 Miles ENE Sun Valley ID

  • Today

    Today: A 40 percent chance of snow, mainly after 4pm.  Partly sunny and cold, with a temperature falling to around -2 by 5pm. Wind chill values as low as -26. Windy, with a west northwest wind 25 to 31 mph, with gusts as high as 41 mph.  Total daytime snow accumulation of less than a half inch possible.

    High: 8 °F

    Chance Snow
    and Windy

  • Tonight

    Tonight: Partly cloudy, with a low around -7. Wind chill values as low as -33. Blustery, with a north wind 20 to 28 mph, with gusts as high as 32 mph.

    Low: -7 °F

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Sunny and cold, with a high near 8. Wind chill values as low as -30. North wind 15 to 20 mph becoming west 6 to 11 mph in the afternoon.

    High: 8 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 0. Wind chill values as low as -17. West wind 6 to 11 mph.

    Low: 0 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 17. West wind 6 to 10 mph.

    High: 17 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of snow, mainly after 4pm. Partly sunny and cold, with a temperature falling to around -2 by 5pm. Wind chill values as low as -26. Windy, with a west northwest wind 25 to 31 mph, with gusts as high as 41 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Partly cloudy, with a low around -7. Wind chill values as low as -33. Blustery, with a north wind 20 to 28 mph, with gusts as high as 32 mph.
Sunday
Sunny and cold, with a high near 8. Wind chill values as low as -30. North wind 15 to 20 mph becoming west 6 to 11 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 0. Wind chill values as low as -17. West wind 6 to 11 mph.
Monday
Sunny, with a high near 17. West wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Partly sunny, with a high near 20.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 16.
New Year's Day
Mostly sunny, with a high near 23.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 18.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Sun Valley ID
 43.76°N 114.13°W (Elev. 11424 ft)
10:31 am MST Dec 27, 2025
10am MST Dec 27, 2025-6pm MST Jan 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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