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

36°F

2°C

Humidity 43%
Wind Speed W 4 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 18 Jan 06:55 PM PST
Extended Forecast for

9 Miles ESE Mammoth Lakes CA

  • Tonight

    Tonight: Partly cloudy, with a low around 19. West wind around 15 mph.

    Low: 19 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 38. North wind 10 to 15 mph.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 16. West wind around 10 mph.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38. West wind around 10 mph.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

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

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. West wind around 15 mph.
M.L.King Day
Sunny, with a high near 38. North wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 16. West wind around 10 mph.
Tuesday
Sunny, with a high near 38. West wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 19. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 39. West wind around 10 mph.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Mostly clear, with a low around 18.
Friday
Sunny, with a high near 33. Breezy.
Friday Night
Mostly clear, with a low around 16. Breezy.
Saturday
Sunny, with a high near 33.
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:
9 Miles ESE Mammoth Lakes CA
 37.56°N 118.87°W (Elev. 11175 ft)
1:15 pm PST Jan 18, 2026
7pm PST Jan 18, 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