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

27°F

-3°C

Humidity 64%
Wind Speed W 4 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 19 Jan 12:04 AM PST
Extended Forecast for

9 Miles ESE Chalfant CA

  • Overnight

    Overnight: Partly cloudy, with a low around 30. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Partly Cloudy
    and Blustery

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 41. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. Northwest wind around 10 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 37. West wind around 10 mph.

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. Northwest wind around 10 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. West wind around 10 mph, with gusts as high as 20 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 30. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
M.L.King Day
Sunny, with a high near 41. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 27. Northwest wind around 10 mph.
Tuesday
Sunny, with a high near 37. West wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 28. Northwest wind around 10 mph.
Wednesday
Mostly sunny, with a high near 39. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 34.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Mostly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Chalfant CA
 37.47°N 118.22°W (Elev. 10154 ft)
9:15 pm PST Jan 18, 2026
12am PST Jan 19, 2026-6pm PST Jan 25, 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