Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

25°F

-4°C

Humidity 58%
Wind Speed WNW 3 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 19 Jan 04:15 AM PST
Extended Forecast for

7 Miles SE Mammoth Lakes CA

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 36. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 20. Southwest wind around 5 mph.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Southwest wind around 10 mph.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. West wind around 10 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39. West wind around 10 mph.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. West wind 5 to 10 mph.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 36. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 20. Southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 37. Southwest wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 22. West wind around 10 mph.
Wednesday
Partly sunny, with a high near 39. West wind around 10 mph.
Wednesday Night
Mostly cloudy, with a low around 23. West wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly clear, with a low around 14.
Saturday
Sunny, with a high near 31.
Saturday Night
Mostly clear, with a low around 15.
Sunday
Mostly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SE Mammoth Lakes CA
 37.56°N 118.89°W (Elev. 10407 ft)
1:15 am PST Jan 19, 2026
4am PST Jan 19, 2026-6pm PST Jan 25, 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