Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

NA

41°F

5°C

Humidity 38%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 20 Jan 01:04 PM PST
Extended Forecast for

14 Miles ESE Mammoth Lakes CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 31. Calm wind.

    High: 31 °F

    Partly Sunny

  • Tonight

    Tonight: Areas of freezing fog after 7pm. Mostly cloudy, with a low around 15. Calm wind.

    Low: 15 °F

    Areas
    Freezing Fog

  • Wednesday

    Wednesday: Areas of freezing fog before 10am. Mostly cloudy, with a high near 44. Calm wind.

    High: 44 °F

    Areas
    Freezing Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of rain between 4am and 5am, then a slight chance of snow after 5am.  Snow level 7300 feet. Mostly cloudy, with a low around 16. Calm wind.  Chance of precipitation is 10%.

    Low: 16 °F

    Cloudy then
    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain and snow before 11am, then a slight chance of snow between 11am and noon, then a slight chance of rain after noon.  Snow level 7400 feet. Cloudy, with a high near 41. Calm wind.  Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm.  Snow level 7200 feet. Mostly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 31. Calm wind.
Tonight
Areas of freezing fog after 7pm. Mostly cloudy, with a low around 15. Calm wind.
Wednesday
Areas of freezing fog before 10am. Mostly cloudy, with a high near 44. Calm wind.
Wednesday Night
A slight chance of rain between 4am and 5am, then a slight chance of snow after 5am. Snow level 7300 feet. Mostly cloudy, with a low around 16. Calm wind. Chance of precipitation is 10%.
Thursday
A slight chance of rain and snow before 11am, then a slight chance of snow between 11am and noon, then a slight chance of rain after noon. Snow level 7400 feet. Cloudy, with a high near 41. Calm wind. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of rain before 10pm. Snow level 7200 feet. Mostly cloudy, with a low around 13. Calm wind.
Friday
Mostly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Sunny, with a high near 36.
Saturday Night
Mostly clear, with a low around 12.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ESE Mammoth Lakes CA
 37.6°N 118.73°W (Elev. 6778 ft)
1:15 pm PST Jan 20, 2026
1pm 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