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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

ROCK CREEK (RCEC1)

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

NA

34°F

1°C

Humidity 96%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 01 Jan 12:04 PM PST
Extended Forecast for

9 Miles ESE Chalfant CA

Winter Storm Warning January 3, 12:00am until January 5, 10:00am
Click here for hazard details and duration
Winter Storm Warning

  • New Year's Day

    New Year's Day: A 30 percent chance of snow. Partly sunny, with a high near 29. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Chance Snow
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Southwest wind 10 to 15 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 29 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 23. Windy, with a south wind 20 to 30 mph, with gusts as high as 45 mph. Little or no snow accumulation expected.

    Low: 23 °F

    Windy. Partly
    Cloudy then
    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 26. Windy, with a south wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Snow Likely
    and Windy

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 23. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    and Windy

  • Sunday

    Sunday: Snow likely, mainly after 10am. The snow could be heavy at times. Mostly cloudy, with a high near 25. Windy. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Heavy Snow
    and Windy

  • Sunday Night

    Sunday Night: Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Heavy Snow
    and Breezy

  • Monday

    Monday: A chance of snow. Partly sunny, with a high near 24. Breezy.

    High: 24 °F

    Chance Snow
    and Breezy

Detailed Forecast

New Year's Day
A 30 percent chance of snow. Partly sunny, with a high near 29. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Partly cloudy, with a low around 20. Southwest wind 10 to 15 mph.
Friday
Mostly sunny, with a high near 29. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 23. Windy, with a south wind 20 to 30 mph, with gusts as high as 45 mph. Little or no snow accumulation expected.
Saturday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 26. Windy, with a south wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after 10am. The snow could be heavy at times. Mostly cloudy, with a high near 25. Windy. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 21. Breezy.
Monday
A chance of snow. Partly sunny, with a high near 24. Breezy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 18. Breezy.
Tuesday
A chance of snow. Partly sunny, with a high near 21.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 17.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 24.
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:
9:15 am PST Jan 1, 2026
Forecast Valid:
1pm PST Jan 1, 2026-6pm PST Jan 7, 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