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

Top Stn/Summit (MTH03)

Lat: 37.63059°NLon: 119.03282°WElev: 11034.0ft.

NA

32°F

0°C

Humidity 29%
Wind Speed NE 6 MPH
Barometer NA
Dewpoint 3°F (-16°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 19 Jan 06:05 PM PST
Extended Forecast for

2 Miles W Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 28. North wind 5 to 10 mph becoming west after midnight.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. West wind around 10 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. Southwest wind around 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 40. West wind around 10 mph.

    High: 40 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 28. West wind around 5 mph.

    Low: 28 °F

    Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 10am.  Mostly cloudy, with a high near 32. Northwest wind 10 to 15 mph.

    High: 32 °F

    Slight Chance
    Snow

  • Thursday Night

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

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 28. North wind 5 to 10 mph becoming west after midnight.
Tuesday
Mostly sunny, with a high near 40. West wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 30. Southwest wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 40. West wind around 10 mph.
Wednesday Night
Cloudy, with a low around 28. West wind around 5 mph.
Thursday
A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 32. Northwest wind 10 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Sunny, with a high near 30.
Saturday Night
Mostly clear, with a low around 21.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Mammoth Lakes CA
 37.63°N 119.02°W (Elev. 9872 ft)
1:15 pm PST Jan 19, 2026
6pm PST Jan 19, 2026-6pm PST Jan 26, 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