National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

light rain,mist

55°F

13°C

Humidity 93%
Wind Speed E 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 54°F (12°C)
Visibility 2.00 mi
Last update 01 Jan 05:20 PM PST
Extended Forecast for

2 Miles SE Napa Co. Airport CA

Coastal Flood Advisory January 1, 05:39pm until January 4, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 1, 05:39pm until January 4, 02:00pm

    NOW until 2:00pm Sun

    Coastal Flood Advisory

  • New Year's Day

    High: 55 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly before 9pm. Cloudy, with a steady temperature around 53. East wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: Rain after 4pm. High near 55. Southeast wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Mostly Cloudy
    then Rain

  • Friday Night

    Friday Night: Rain before 1am, then showers and possibly a thunderstorm after 1am. Low around 54. South southeast wind 15 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 56. South wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Showers

  • Saturday Night

    Saturday Night: Rain and possibly a thunderstorm before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 53. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 53. Chance of precipitation is 100%.

    High: 53 °F

    Showers

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain

Detailed Forecast

New Year's Day
A 30 percent chance of rain. Cloudy, with a high near 55. South southeast wind around 9 mph, with gusts as high as 21 mph.
Tonight
Rain likely, mainly before 9pm. Cloudy, with a steady temperature around 53. East wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain after 4pm. High near 55. Southeast wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain before 1am, then showers and possibly a thunderstorm after 1am. Low around 54. South southeast wind 15 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 56. South wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain and possibly a thunderstorm before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 53. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 53. Chance of precipitation is 100%.
Sunday Night
Rain. Mostly cloudy, with a low around 46.
Monday
Rain likely. Cloudy, with a high near 50.
Monday Night
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 43.
Tuesday
A slight chance of rain. Partly sunny, with a high near 52.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Partly sunny, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Napa Co. Airport CA
 38.18°N 122.26°W (Elev. 56 ft)
Last Update:
12:32 pm PST Jan 1, 2026
Forecast Valid:
5pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation