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

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

37°F

3°C

Humidity 51%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 21 Jan 11:04 AM PST
Extended Forecast for

13 Miles ESE Mammoth Lakes CA

  • Today

    Today: Mostly cloudy, with a high near 33. Calm wind.

    High: 33 °F

    Mostly Cloudy

  • Tonight

    Tonight: Areas of freezing fog. Mostly cloudy, with a low around 11. Calm wind.

    Low: 11 °F

    Areas
    Freezing Fog

  • Thursday

    Thursday: Areas of freezing fog before 10am. Mostly cloudy, with a high near 37. Calm wind.

    High: 37 °F

    Areas
    Freezing Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14. Calm wind.

    Low: 14 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 33. Calm wind.
Tonight
Areas of freezing fog. Mostly cloudy, with a low around 11. Calm wind.
Thursday
Areas of freezing fog before 10am. Mostly cloudy, with a high near 37. Calm wind.
Thursday Night
Mostly cloudy, with a low around 20. Calm wind.
Friday
Mostly sunny, with a high near 42. Calm wind.
Friday Night
Partly cloudy, with a low around 14. Calm wind.
Saturday
Sunny, with a high near 35.
Saturday Night
Mostly clear, with a low around 10.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Mammoth Lakes CA
 37.58°N 118.75°W (Elev. 6873 ft)
9:15 am PST Jan 21, 2026
11am PST Jan 21, 2026-6pm PST Jan 27, 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