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

25°F

-4°C

Humidity 74%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 27 Dec 09:04 AM PST
Extended Forecast for

15 Miles WSW Chalfant CA

  • Today

    Today: Sunny, with a high near 43. West wind around 5 mph becoming north in the afternoon.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. West wind 5 to 10 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 45. Northwest wind around 5 mph becoming calm  in the morning.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. Northwest wind 5 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48. Northwest wind around 5 mph becoming northeast in the afternoon.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. West wind 5 to 10 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 43. West wind around 5 mph becoming north in the afternoon.
Tonight
Mostly clear, with a low around 30. West wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 45. Northwest wind around 5 mph becoming calm in the morning.
Sunday Night
Mostly clear, with a low around 29. Northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 48. Northwest wind around 5 mph becoming northeast in the afternoon.
Monday Night
Mostly clear, with a low around 33. West wind 5 to 10 mph.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
A slight chance of rain after 10pm. Snow level 7600 feet. Mostly cloudy, with a low around 41.
New Year's Day
A chance of rain and snow. Snow level 7300 feet rising to 8000 feet in the afternoon. Mostly cloudy, with a high near 51.
Thursday Night
A chance of rain and snow. Snow level 7400 feet. Mostly cloudy, with a low around 40.
Friday
A chance of rain and snow. Snow level 6700 feet. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WSW Chalfant CA
 37.48°N 118.62°W (Elev. 5213 ft)
9:15 am PST Dec 27, 2025
9am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

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