Significant Winter Storm to Affect the Pacific Coast through the Upper Midwest

A significant storm will bring high winds and heavy precipitation, including mountain snow, to portions of the western U.S. this weekend. Extremely dangerous travel is expected through passes. Confidence is increasing that this storm will then impact the central U.S. with heavy snow and strong winds to the north and severe thunderstorms with possible tornadoes and heavy rainfall to the south. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33ft.

Overcast

9°C

49°F

Humidity 73%
Wind Speed S 4 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 5°C (41°F)
Visibility 16 km
Wind Chill9°C (48°F)
Last update 09 Dec 09:54 PM PST
Extended Forecast for

6 Miles NNE Benicia CA

Wind Advisory December 10, 12:00am until December 10, 03:00pm
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: Showers likely, mainly after 4am.  Cloudy, with a low around 8. South wind 11 to 16 km/h increasing to 19 to 24 km/h after midnight. Winds could gust as high as 35 km/h.  Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

    Cloudy then
    Showers
    Likely

    Low: 8 °C

  • Saturday

    Saturday: Showers, mainly before 3pm.  High near 14. Breezy, with a south southwest wind 34 to 39 km/h decreasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 60 km/h.  Chance of precipitation is 100%. New precipitation amounts between 2 and 3 cm possible.

    Showers and
    Breezy

    High: 14 °C

  • Saturday
    Night

    Saturday Night: Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am.  Low around 7. Southwest wind 21 to 24 km/h, with gusts as high as 35 km/h.  Chance of precipitation is 100%. New rainfall amounts between 5 and 7.5 mm possible.

    Showers

    Low: 7 °C

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 4pm.  Mostly cloudy, with a high near 12. South southwest wind 14 to 21 km/h, with gusts as high as 29 km/h.  Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.

    Showers
    Likely

    High: 12 °C

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 4. South wind 13 to 21 km/h becoming northeast after midnight.  Chance of precipitation is 50%.

    Chance
    Showers

    Low: 4 °C

  • Monday

    Monday: Mostly sunny, with a high near 12.

    Mostly Sunny

    High: 12 °C

  • Monday
    Night

    Monday Night: Areas of frost after 5am.  Otherwise, mostly clear, with a low around 2.

    Mostly Clear
    then Areas
    Frost

    Low: 2 °C

  • Tuesday

    Tuesday: Areas of frost before 9am.  Otherwise, mostly sunny, with a high near 11.

    Areas Frost
    then Mostly
    Sunny

    High: 11 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 2.

    Partly Cloudy

    Low: 2 °C

Detailed Forecast

Tonight
Showers likely, mainly after 4am. Cloudy, with a low around 8. South wind 11 to 16 km/h increasing to 19 to 24 km/h after midnight. Winds could gust as high as 35 km/h. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.
Saturday
Showers, mainly before 3pm. High near 14. Breezy, with a south southwest wind 34 to 39 km/h decreasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 60 km/h. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 cm possible.
Saturday Night
Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Low around 7. Southwest wind 21 to 24 km/h, with gusts as high as 35 km/h. Chance of precipitation is 100%. New rainfall amounts between 5 and 7.5 mm possible.
Sunday
Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 12. South southwest wind 14 to 21 km/h, with gusts as high as 29 km/h. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 4. South wind 13 to 21 km/h becoming northeast after midnight. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 12.
Monday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 2.
Tuesday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 11.
Tuesday Night
Partly cloudy, with a low around 2.
Wednesday
A slight chance of showers. Partly sunny, with a high near 10.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 2.
Thursday
A chance of showers. Partly sunny, with a high near 11.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 2.
Friday
A slight chance of showers. Partly sunny, with a high near 10.
Click Map For Forecast
Point Forecast:
6 Miles NNE Benicia CA
 38.16°N 122.11°W (Elev. 1 m)
9:33 pm PST Dec 9, 2022
10pm PST Dec 9, 2022-6pm PST Dec 16, 2022
 
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Additional Resources

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