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.

Overcast

57°F

14°C

Humidity 89%
Wind Speed ESE 8 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 01 Jan 08:03 PM PST
Extended Forecast for

7 Miles WSW Napa Co. Airport CA

Coastal Flood Advisory January 1, 08:22pm until January 4, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 1, 08:22pm until January 4, 02:00pm

    NOW until 2:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 54 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: A slight chance of rain before 1pm, then rain after 3pm. High near 56. Southeast wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Mostly Cloudy
    then Rain

  • Friday Night

    Friday Night: Rain before 1am, then showers and possibly a thunderstorm after 1am. Low around 54. East southeast wind 15 to 17 mph becoming south after midnight. Winds could gust as high as 31 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. Breezy, with a south wind 16 to 22 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 and
    Breezy

  • 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. South southeast wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. 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 54. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Monday

    Monday: Rain likely. Cloudy, with a high near 51.

    High: 51 °F

    Rain Likely

Detailed Forecast

Tonight
Rain likely, mainly before 10pm. Cloudy, with a steady temperature around 54. East southeast wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of rain before 1pm, then rain after 3pm. High near 56. Southeast wind 8 to 15 mph, with gusts as high as 24 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. East southeast wind 15 to 17 mph becoming south after midnight. Winds could gust as high as 31 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. Breezy, with a south wind 16 to 22 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. South southeast wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. 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 54. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 47. Chance of precipitation is 80%.
Monday
Rain likely. Cloudy, with a high near 51.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43.
Tuesday
A slight chance of rain before 10am. Partly sunny, with a high near 52.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Thursday
A chance of rain. Mostly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Napa Co. Airport CA
 38.17°N 122.37°W (Elev. 3 ft)
Last Update:
12:32 pm PST Jan 1, 2026
Forecast Valid:
8pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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