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

21°F

-6°C

Humidity 74%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill15°F (-9°C)
Last update 20 Jan 01:04 AM PST
Extended Forecast for

16 Miles W Chalfant CA

  • Overnight

    Overnight: Mostly clear, with a low around 26. Northwest wind around 5 mph.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Northwest wind around 5 mph.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. Northwest wind around 5 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50. Northwest wind around 5 mph.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. West wind around 5 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 41. Northwest wind around 5 mph becoming northeast in the afternoon.

    High: 41 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 26. Northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 50. Northwest wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 28. Northwest wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 50. Northwest wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 31. West wind around 5 mph.
Thursday
Mostly cloudy, with a high near 41. Northwest wind around 5 mph becoming northeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 22.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 45.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Chalfant CA
 37.57°N 118.64°W (Elev. 7198 ft)
1:15 am PST Jan 20, 2026
1am 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