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

48°F

9°C

Humidity 28%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Last update 19 Jan 12:04 PM PST
Extended Forecast for

13 Miles ESE Mammoth Lakes CA

  • M.L.King Day

    M.L.King Day: Areas of freezing fog before 1pm. Sunny, with a high near 43. Northwest wind around 5 mph.

    High: 43 °F

    Areas
    Freezing Fog

  • Tonight

    Tonight: Areas of freezing fog after 7pm. Mostly clear, with a low around 17. Calm wind.

    Low: 17 °F

    Areas
    Freezing Fog

  • Tuesday

    Tuesday: Areas of freezing fog before 10am. Mostly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Areas
    Freezing Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

M.L.King Day
Areas of freezing fog before 1pm. Sunny, with a high near 43. Northwest wind around 5 mph.
Tonight
Areas of freezing fog after 7pm. Mostly clear, with a low around 17. Calm wind.
Tuesday
Areas of freezing fog before 10am. Mostly sunny, with a high near 45. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 19. Calm wind.
Wednesday
Partly sunny, with a high near 49. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 26. Calm wind.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 18.
Sunday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Mammoth Lakes CA
 37.58°N 118.73°W (Elev. 6857 ft)
9:15 am PST Jan 19, 2026
12pm 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