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

14 Miles SE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 20. West wind 5 to 10 mph.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. West wind 10 to 15 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. West wind around 10 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39. West wind 10 to 15 mph.

    High: 39 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. West wind 5 to 10 mph.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 10am.  Mostly cloudy, with a high near 32. West wind 10 to 15 mph.

    High: 32 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 20. West wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 39. West wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 22. West wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 39. West wind 10 to 15 mph.
Wednesday Night
Mostly cloudy, with a low around 22. West wind 5 to 10 mph.
Thursday
A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 32. West wind 10 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 11.
Saturday
Sunny, with a high near 28.
Saturday Night
Mostly clear, with a low around 13.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 36.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SE Mammoth Lakes CA
 37.48°N 118.79°W (Elev. 11785 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