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

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

NA

31°F

-1°C

Humidity 92%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 31 Dec 11:04 PM PST
Extended Forecast for

16 Miles W Chalfant CA

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

    NOW until 12:00pm Thu

    Winter Weather Advisory

  • Tonight

    Low: 32 °F

    Rain/Snow

  • New Year's Day

    New Year's Day: Rain and snow.  Snow level 7900 feet. High near 39. Southeast wind around 10 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 10pm.  Partly cloudy, with a low around 25. West wind 5 to 10 mph.

    Low: 25 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

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

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly after 4am.  Mostly cloudy, with a low around 28. South wind around 10 mph.  Little or no snow accumulation expected.

    Low: 28 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before 10am, then rain, possibly mixed with snow.  Snow level rising to 7800 feet in the afternoon. High near 42. South wind 10 to 15 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow, becoming all snow after 10pm.  Snow level 7200 feet. Low around 27. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Rain/Snow
    then Snow

  • Sunday

    Sunday: Snow.  Mostly cloudy, with a high near 39.

    High: 39 °F

    Snow

Detailed Forecast

Tonight
Rain and snow, mainly before 1am. Snow level 8300 feet. Low around 32. Southeast wind around 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
New Year's Day
Rain and snow. Snow level 7900 feet. High near 39. Southeast wind around 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 25. West wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 42. South wind 5 to 10 mph.
Friday Night
A 30 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 28. South wind around 10 mph. Little or no snow accumulation expected.
Saturday
A chance of snow before 10am, then rain, possibly mixed with snow. Snow level rising to 7800 feet in the afternoon. High near 42. South wind 10 to 15 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain and snow, becoming all snow after 10pm. Snow level 7200 feet. Low around 27. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow. Mostly cloudy, with a high near 39.
Sunday Night
Snow. Mostly cloudy, with a low around 24.
Monday
Snow likely. Mostly cloudy, with a high near 38.
Monday Night
A chance of snow. Mostly cloudy, with a low around 23.
Tuesday
A chance of snow. Partly sunny, with a high near 38.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 22.
Wednesday
A chance of snow. Mostly sunny, with a high near 39.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Chalfant CA
 37.57°N 118.64°W (Elev. 7198 ft)
9:16 pm PST Dec 31, 2025
11pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
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