Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

40°F

4°C

Humidity 43%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 19 Jan 04:04 PM PST
Extended Forecast for

11 Miles WNW Chalfant CA

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. Northwest wind around 5 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Northwest wind around 5 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48. West wind around 5 mph.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. West wind around 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 44. Northwest wind around 5 mph becoming southeast in the afternoon.

    High: 44 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 31. West wind around 5 mph.
Tuesday
Mostly sunny, with a high near 46. Northwest wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Northwest wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 48. West wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 35. West wind around 5 mph.
Thursday
Mostly cloudy, with a high near 44. Northwest wind around 5 mph becoming southeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW Chalfant CA
 37.58°N 118.56°W (Elev. 7602 ft)
1:15 pm PST Jan 19, 2026
4pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database