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 >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

57°F

14°C

Humidity 82%
Wind Speed SSE 8 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 03 Jan 03:20 AM PST
Extended Forecast for

2 Miles NW Vallejo CA

Coastal Flood Advisory January 3, 02:00pm until January 4, 02:00pm
Coastal Flood Warning January 3, 03:31am until January 3, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
Coastal Flood Warning
  •  
    Coastal Flood Warning January 3, 03:31am until January 3, 02:00pm

    NOW until 2:00pm Sat

    Coastal Flood Warning

  • Overnight

    Low: 54 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 58. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 7pm.  Low around 52. South wind 14 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 4pm.  High near 53. South southwest wind around 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 10pm.  Mostly cloudy, with a low around 48. South wind 7 to 9 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Monday

    Monday: Showers.  High near 52. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 10pm.  Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 10am.  Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Showers then
    Partly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 54. South southeast wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm. High near 58. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers, with thunderstorms also possible after 7pm. Low around 52. South wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 4pm. High near 53. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 48. South wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers. High near 52. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Tuesday
A slight chance of showers before 10am. Partly sunny, with a high near 53.
Tuesday Night
A chance of showers, mainly after 4am. Mostly cloudy, with a low around 42.
Wednesday
A chance of showers, mainly before 10am. Partly sunny, with a high near 53.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 51.
Thursday Night
Patchy frost. Otherwise, mostly clear, with a low around 36.
Friday
Patchy frost. Otherwise, sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Vallejo CA
 38.16°N 122.25°W (Elev. 26 ft)
1:23 am PST Jan 3, 2026
3am PST Jan 3, 2026-6pm PST Jan 9, 2026
 
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Additional Resources

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