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.

Clear

27°F

-3°C

Humidity 73%
Wind Speed ESE 4 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 21 Jan 11:35 AM PST
Extended Forecast for

12 Miles ESE Mammoth Lakes CA

  • Today

    Today: Mostly cloudy, with a high near 32. Calm wind.

    High: 32 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 36. Calm wind.

    High: 36 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40. Calm wind becoming north around 5 mph.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18. Northwest wind around 5 mph.

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 32. Calm wind.
Tonight
Mostly cloudy, with a low around 12. Calm wind.
Thursday
Mostly cloudy, with a high near 36. Calm wind.
Thursday Night
Mostly cloudy, with a low around 24. Calm wind.
Friday
Mostly sunny, with a high near 40. Calm wind becoming north around 5 mph.
Friday Night
Partly cloudy, with a low around 18. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 33.
Saturday Night
Mostly clear, with a low around 13.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Mammoth Lakes CA
 37.57°N 118.78°W (Elev. 7585 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