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

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

Partly Cloudy

21°F

-6°C

Humidity 73%
Wind Speed SE 4 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 21 Jan 01:55 AM PST
Extended Forecast for

8 Miles ESE Mammoth Lakes CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 16. Calm wind.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 15. Calm wind.

    Low: 15 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 40. Calm wind.

    High: 40 °F

    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 becoming north around 5 mph.

    High: 42 °F

    Mostly Sunny

  • Friday Night

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

    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

Detailed Forecast

Overnight
Mostly cloudy, with a low around 16. Calm wind.
Wednesday
Mostly cloudy, with a high near 37. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 15. Calm wind.
Thursday
Mostly cloudy, with a high near 40. Calm wind.
Thursday Night
Mostly cloudy, with a low around 20. Calm wind.
Friday
Mostly sunny, with a high near 42. Calm wind becoming north around 5 mph.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Sunny, with a high near 35.
Saturday Night
Mostly clear, with a low around 10.
Sunday
Mostly sunny, with a high near 41.
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.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ESE Mammoth Lakes CA
 37.61°N 118.82°W (Elev. 7201 ft)
1:15 am PST Jan 21, 2026
2am 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