Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

Top of 22 (MTH02)

Lat: 37.63707°NLon: 119.0174°WElev: 10100.0ft.

NA

36°F

2°C

Humidity 90%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 31 Dec 01:45 PM PST
Extended Forecast for

4 Miles NW Mammoth Lakes CA

Winter Storm Watch January 2, 04:00pm until January 4, 10:00am
Winter Weather Advisory December 31, 04:00pm until January 1, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow.  Snow level 9500 feet. High near 41. Calm wind.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow.  Snow level 8800 feet. Low around 31. Calm wind becoming south around 5 mph in the evening.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow

  • New Year's Day

    New Year's Day: Rain and snow, becoming all snow after 10am.  High near 38. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 38 °F

    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow before 10pm.  Mostly cloudy, with a low around 21. Southwest wind around 10 mph, with gusts as high as 25 mph.  Little or no snow accumulation expected.

    Low: 21 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Snow likely, mainly after 4am.  Mostly cloudy, with a low around 26. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Snow Likely

  • Saturday

    Saturday: Snow. The snow could be heavy at times.  High near 38. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 38 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times.  Cloudy, with a low around 25.

    Low: 25 °F

    Heavy Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times.  Cloudy, with a high near 35.

    High: 35 °F

    Heavy Snow

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow. Snow level 9500 feet. High near 41. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Rain and snow. Snow level 8800 feet. Low around 31. Calm wind becoming south around 5 mph in the evening. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
New Year's Day
Rain and snow, becoming all snow after 10am. High near 38. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow before 10pm. Mostly cloudy, with a low around 21. Southwest wind around 10 mph, with gusts as high as 25 mph. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 42. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 26. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow. The snow could be heavy at times. High near 38. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 25.
Sunday
Snow. The snow could be heavy at times. Cloudy, with a high near 35.
Sunday Night
Snow before 10pm, then snow showers after 10pm. The snow could be heavy at times. Some thunder is also possible. Mostly cloudy, with a low around 21.
Monday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 34.
Monday Night
Snow likely. Mostly cloudy, with a low around 19.
Tuesday
A chance of snow. Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Mammoth Lakes CA
 37.7°N 119.01°W (Elev. 8448 ft)
1:15 pm PST Dec 31, 2025
2pm PST Dec 31, 2025-6pm PST Jan 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

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