National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

17°F

-8°C

Humidity 90%
Wind Speed W 4 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Wind Chill11°F (-12°C)
Last update 27 Dec 06:04 AM PST
Extended Forecast for

9 Miles ESE Chalfant CA

  • Today

    Today: Sunny, with a high near 20. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 20 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 11. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    Low: 11 °F

    Mostly Clear
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 24. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 13. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 13 °F

    Mostly Clear
    then Mostly
    Clear and
    Blustery

  • Monday

    Monday: Sunny, with a high near 24. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 24 °F

    Sunny and
    Blustery

  • Monday Night

    Monday Night: Clear, with a low around 16. Northwest wind around 15 mph.

    Low: 16 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 20. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 11. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 24. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 13. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 24. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
Clear, with a low around 16. Northwest wind around 15 mph.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Mostly sunny, with a high near 29.
Wednesday Night
A slight chance of snow after 10pm. Mostly cloudy, with a low around 23.
New Year's Day
A chance of snow. Mostly cloudy, with a high near 25.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow. Mostly cloudy, with a high near 25.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Chalfant CA
 37.5°N 118.19°W (Elev. 10932 ft)
Last Update:
1:15 am PST Dec 27, 2025
Forecast Valid:
6am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation