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

36°F

2°C

Humidity 43%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 18 Jan 07:04 PM PST
Extended Forecast for

14 Miles SE Mammoth Lakes CA

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Northwest wind around 15 mph.

    Low: 20 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 42. Northwest wind 10 to 15 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. West wind 5 to 10 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 41. West wind around 10 mph.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. West wind around 10 mph.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. West wind around 10 mph.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. Northwest wind around 15 mph.
M.L.King Day
Sunny, with a high near 42. Northwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 17. West wind 5 to 10 mph.
Tuesday
Sunny, with a high near 41. West wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 19. West wind around 10 mph.
Wednesday
Mostly sunny, with a high near 41. West wind around 10 mph.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 18.
Friday
Sunny, with a high near 36.
Friday Night
Mostly clear, with a low around 15.
Saturday
Sunny, with a high near 37.
Saturday Night
Mostly clear, with a low around 15.
Sunday
Mostly sunny, with a high near 37.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SE Mammoth Lakes CA
 37.51°N 118.77°W (Elev. 11096 ft)
1:15 pm PST Jan 18, 2026
7pm PST Jan 18, 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