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

Emigrant Gap, Blue Canyon Nyack Airport (KBLU)

Lat: 39.27611°NLon: 120.70806°WElev: 5282.0ft.

Clear

34°F

1°C

Humidity 50%
Wind Speed NNE 6 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 27 Dec 10:00 PM PST
Extended Forecast for

Donner Summit CA

  • Tonight

    Tonight: Partly cloudy, with a low around 17. East northeast wind around 6 mph.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 38. East northeast wind around 6 mph, with gusts as high as 20 mph.

    High: 38 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17. East northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 43. East wind 6 to 9 mph.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. East wind around 8 mph.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain after 4pm.  Partly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 4am, then a chance of rain and snow.  Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 17. East northeast wind around 6 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 38. East northeast wind around 6 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 17. East northeast wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 43. East wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 23. East wind around 8 mph.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
A slight chance of rain after 4pm. Partly sunny, with a high near 51.
Wednesday Night
A chance of rain before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 30.
New Year's Day
A chance of rain and snow before 10am, then rain likely. Mostly cloudy, with a high near 45.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 29.
Friday
Rain and snow likely. Mostly cloudy, with a high near 41.
Friday Night
A chance of snow. Mostly cloudy, with a low around 25.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Donner Summit CA
 39.33°N 120.4°W (Elev. 6394 ft)
1:20 pm PST Dec 27, 2025
10pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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