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

17°F

-8°C

Humidity 84%
Wind Speed W 4 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Wind Chill11°F (-12°C)
Last update 20 Jan 03:04 AM PST
Extended Forecast for

2 Miles E Chalfant CA

  • Overnight

    Overnight: Mostly clear, with a low around 44. North wind around 5 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. Calm wind becoming northwest around 5 mph.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55. Calm wind becoming southwest around 5 mph.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 49. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 44. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 55. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 47. Calm wind becoming northwest around 5 mph.
Wednesday
Mostly cloudy, with a high near 55. Calm wind becoming southwest around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 44. Calm wind.
Thursday
Mostly cloudy, with a high near 49. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Chalfant CA
 37.53°N 118.32°W (Elev. 6575 ft)
1:15 am PST Jan 20, 2026
3am PST Jan 20, 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