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

28°F

-2°C

Humidity 50%
Wind Speed W 4 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 19 Jan 06:35 AM PST
Extended Forecast for

9 Miles SE Mammoth Lakes CA

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 35. Northwest wind 10 to 15 mph.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 21. Southwest wind 5 to 10 mph.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36. Southwest wind around 10 mph.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. West wind around 10 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. West wind around 10 mph.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Thursday Night

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

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 35. Northwest wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 21. Southwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 36. Southwest wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 21. West wind around 10 mph.
Wednesday
Partly sunny, with a high near 38. West wind around 10 mph.
Wednesday Night
Mostly cloudy, with a low around 22. West wind around 10 mph.
Thursday
Partly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Sunny, with a high near 30.
Friday Night
Mostly clear, with a low around 13.
Saturday
Sunny, with a high near 31.
Saturday Night
Mostly clear, with a low around 14.
Sunday
Mostly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SE Mammoth Lakes CA
 37.56°N 118.87°W (Elev. 11175 ft)
1:15 am PST Jan 19, 2026
6am 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