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

25°F

-4°C

Humidity 66%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Wind Chill20°F (-7°C)
Last update 19 Jan 10:04 PM PST
Extended Forecast for

18 Miles W Chalfant CA

  • Tonight

    Tonight: Mostly clear, with a low around 26. West wind around 10 mph.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Northwest wind 10 to 15 mph.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. West wind around 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 36. West wind 10 to 15 mph.

    High: 36 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. West wind 5 to 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 30. West wind around 15 mph.

    High: 30 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 26. West wind around 10 mph.
Tuesday
Mostly sunny, with a high near 37. Northwest wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 28. West wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 36. West wind 10 to 15 mph.
Wednesday Night
Mostly cloudy, with a low around 28. West wind 5 to 10 mph.
Thursday
Mostly cloudy, with a high near 30. West wind around 15 mph.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 30.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 28.
Saturday Night
Mostly clear, with a low around 21.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 34.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles W Chalfant CA
 37.5°N 118.68°W (Elev. 11312 ft)
9:15 pm PST Jan 19, 2026
11pm 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