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

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Rain

50°F

10°C

Humidity 81%
Wind Speed NNE 9 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 31 Dec 03:00 PM PST
Extended Forecast for

7 Miles S Lake Berryessa CA

  • This Afternoon

    This Afternoon: Rain likely.  Cloudy, with a high near 50. East wind around 8 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain Likely

  • Tonight

    Tonight: Rain.  Low around 45. East wind 5 to 7 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 45 °F

    Rain

  • New Year's Day

    New Year's Day: Rain.  High near 54. South wind 9 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 54 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before midnight.  Low around 49. South wind 9 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain then
    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 55. South southeast wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain.  Low around 51. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 51 °F

    Rain

  • Saturday

    Saturday: Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm.  High near 54. Chance of precipitation is 100%.

    High: 54 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Cloudy, with a low around 50.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 53.

    High: 53 °F

    Rain

Detailed Forecast

This Afternoon
Rain likely. Cloudy, with a high near 50. East wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 45. East wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
New Year's Day
Rain. High near 54. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain, mainly before midnight. Low around 49. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 55. South southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 51. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Saturday
Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 54. Chance of precipitation is 100%.
Saturday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 50.
Sunday
Rain. Cloudy, with a high near 53.
Sunday Night
Rain. Mostly cloudy, with a low around 46.
Monday
Rain. Mostly cloudy, with a high near 51.
Monday Night
Rain likely. Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Partly sunny, with a high near 52.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Wednesday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Lake Berryessa CA
 38.48°N 122.25°W (Elev. 1198 ft)
2:14 pm PST Dec 31, 2025
3pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
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Additional Resources

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