Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Atmospheric River in the Pacific Northwest and Northwest California Early This Week

An atmospheric river event will bring heavy rains and rising snow levels to the Pacific Northwest and northwest California early this week. Snow levels will rise above 8,000 feet, and 4 to 7 inches of rain is forecast for the southwest facing slopes of the mountains. Minor river and localized flooding will be possible. In the east, winds decrease by Monday, and the week will be relatively dry. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

54°F

12°C

Humidity 80%
Wind Speed N 8 MPH
Barometer 30.06 in (1016.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Nov 3:54 am PST
Extended Forecast for

6 Miles SSW Lake Berryessa CA

  • Overnight

    Overnight: A 50 percent chance of rain.  Mostly cloudy, with a low around 47. South southwest wind around 8 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain

    Low: 47 °F

  • Monday

    Monday: A 50 percent chance of rain, mainly before 4pm.  Mostly cloudy, with a high near 59. South wind 11 to 16 mph, with gusts as high as 22 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain

    High: 59 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 51. East wind around 7 mph.

    Slight Chance
    Rain then
    Mostly Cloudy

    Low: 51 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 68. East wind around 8 mph.

    Partly Sunny

    High: 68 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 54. East wind around 7 mph.

    Partly Cloudy

    Low: 54 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70.

    Mostly Sunny

    High: 70 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Partly Cloudy

    Low: 54 °F

  • Thanksgiving
    Day

    Thanksgiving Day: Partly sunny, with a high near 68.

    Partly Sunny

    High: 68 °F

  • Thursday
    Night

    Thursday Night: A slight chance of rain.  Mostly cloudy, with a low around 54.

    Slight Chance
    Rain

    Low: 54 °F

Detailed Forecast

Overnight
A 50 percent chance of rain. Mostly cloudy, with a low around 47. South southwest wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 59. South wind 11 to 16 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 51. East wind around 7 mph.
Tuesday
Partly sunny, with a high near 68. East wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 54. East wind around 7 mph.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 54.
Thanksgiving Day
Partly sunny, with a high near 68.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 54.
Friday
A chance of rain. Mostly cloudy, with a high near 64.
Friday Night
A chance of rain. Mostly cloudy, with a low around 50.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 61.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 50.
Sunday
A slight chance of rain. Mostly sunny, with a high near 60.
Click Map For Forecast
Point Forecast:
6 Miles SSW Lake Berryessa CA
 38.5°N 122.28°W (Elev. 1355 ft)
1:59 am PST Nov 20, 2017
4am PST Nov 20, 2017-6pm PST Nov 26, 2017
 
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