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

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

NA

16°F

-9°C

Humidity 78%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Wind Chill8°F (-13°C)
Last update 27 Dec 08:04 PM PST
Extended Forecast for

12 Miles ESE Chalfant CA

  • Tonight

    Tonight: Mostly clear, with a low around 14. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 28. Northwest wind 10 to 15 mph.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. Northwest wind around 15 mph.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 30. North wind 10 to 15 mph.

    High: 30 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 20. Northwest wind around 10 mph.

    Low: 20 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 34. Northwest wind 5 to 10 mph.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of snow after 4pm.  Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly after 10pm.  Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 14. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 28. Northwest wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 18. Northwest wind around 15 mph.
Monday
Sunny, with a high near 30. North wind 10 to 15 mph.
Monday Night
Clear, with a low around 20. Northwest wind around 10 mph.
Tuesday
Sunny, with a high near 34. Northwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
A slight chance of snow after 4pm. Mostly sunny, with a high near 36.
Wednesday Night
A chance of snow, mainly after 10pm. Mostly cloudy, with a low around 26.
New Year's Day
A chance of snow. Mostly cloudy, with a high near 33.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26.
Friday
A chance of snow. Partly sunny, with a high near 32.
Friday Night
A chance of snow. Mostly cloudy, with a low around 23.
Saturday
A chance of snow. Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Chalfant CA
 37.46°N 118.16°W (Elev. 9800 ft)
1:18 pm PST Dec 27, 2025
8pm 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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