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

16°F

-9°C

Humidity 84%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Wind Chill10°F (-12°C)
Last update 20 Jan 04:04 AM PST
Extended Forecast for

17 Miles ESE Mammoth Lakes CA

  • Today

    Today: Mostly sunny, with a high near 53. Northwest wind around 5 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 54. West wind around 5 mph.

    High: 54 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 43. Calm wind becoming northeast around 5 mph.

    High: 43 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Friday Night

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

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 53. Northwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 23. Calm wind.
Wednesday
Mostly cloudy, with a high near 54. West wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 28. Calm wind.
Thursday
Mostly cloudy, with a high near 43. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly cloudy, with a low around 24. Calm wind.
Friday
Sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ESE Mammoth Lakes CA
 37.57°N 118.67°W (Elev. 7198 ft)
1:15 am PST Jan 20, 2026
5am 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