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

DW5868 Mammoth Lakes (D5868)

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

NA

51°F

11°C

Humidity 19%
Wind Speed SW 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 10°F (-12°C)
Visibility NA
Last update 20 Jan 01:45 PM PST
Extended Forecast for

4 Miles SE Mammoth Lakes CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 47. West wind around 5 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Calm wind becoming southwest around 5 mph after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 47. Southwest wind around 5 mph becoming calm  in the morning.

    High: 47 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 10pm.  Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly between 10am and 4pm.  Mostly cloudy, with a high near 43. Calm wind becoming north around 5 mph.  Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 10pm.  Mostly cloudy, with a low around 25. North wind around 5 mph becoming calm.

    Low: 25 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 47. West wind around 5 mph.
Tonight
Mostly cloudy, with a low around 28. Calm wind becoming southwest around 5 mph after midnight.
Wednesday
Mostly cloudy, with a high near 47. Southwest wind around 5 mph becoming calm in the morning.
Wednesday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 27. Calm wind.
Thursday
A 30 percent chance of snow, mainly between 10am and 4pm. Mostly cloudy, with a high near 43. Calm wind becoming north around 5 mph. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of snow before 10pm. Mostly cloudy, with a low around 25. North wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Sunny, with a high near 32.
Saturday Night
Mostly clear, with a low around 15.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Mammoth Lakes CA
 37.6°N 118.9°W (Elev. 9449 ft)
1:15 pm PST Jan 20, 2026
2pm 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