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

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

NA

47°F

8°C

Humidity 23%
Wind Speed ENE 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 11°F (-12°C)
Visibility NA
Last update 21 Jan 12:00 PM PST
Extended Forecast for

4 Miles SE Mammoth Lakes CA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 10am.  Mostly cloudy, with a high near 45. Calm wind becoming north around 5 mph.

    High: 45 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 10pm.  Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38. Calm wind becoming northwest around 5 mph.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 48. Calm wind.
Tonight
Mostly cloudy, with a low around 27. Calm wind.
Thursday
A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 45. Calm wind becoming north around 5 mph.
Thursday Night
A 20 percent chance of snow before 10pm. Mostly cloudy, with a low around 25. Calm wind.
Friday
Mostly sunny, with a high near 38. Calm wind becoming northwest around 5 mph.
Friday Night
Partly cloudy, with a low around 19. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 32.
Saturday Night
Mostly clear, with a low around 15.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Mammoth Lakes CA
 37.6°N 118.9°W (Elev. 9449 ft)
9:15 am PST Jan 21, 2026
12pm PST Jan 21, 2026-6pm PST Jan 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database