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.

Overcast

51°F

11°C

Humidity 89%
Wind Speed ENE 13 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 31 Dec 11:54 PM PST
Extended Forecast for

5 Miles WSW Yountville CA

  • Overnight

    Overnight: Rain.  Steady temperature around 50. East wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain

  • New Year's Day

    New Year's Day: Rain.  High near 53. South wind 9 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 11pm.  Steady temperature around 53. South wind 10 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: 53 °F

    Rain then
    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 56. South southeast wind 11 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain.  Low around 52. Southeast wind 15 to 18 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 52 °F

    Rain

  • Saturday

    Saturday: Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm.  High near 56. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Showers

  • Sunday

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

    High: 53 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Rain

Detailed Forecast

Overnight
Rain. Steady temperature around 50. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
New Year's Day
Rain. High near 53. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain, mainly before 11pm. Steady temperature around 53. South wind 10 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 56. South southeast wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 52. Southeast wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Saturday
Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 56. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Sunday
Rain. Cloudy, with a high near 53.
Sunday Night
Rain. Mostly cloudy, with a low around 48.
Monday
Rain likely. Mostly cloudy, with a high near 52.
Monday Night
Rain likely. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain. Partly sunny, with a high near 50.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Yountville CA
 38.38°N 122.45°W (Elev. 2192 ft)
2:14 pm PST Dec 31, 2025
12am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
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Additional Resources

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