Storm Tracking Across the Plains; Powerful Pacific System is Approaching

Some heavy rain and possible flash flooding may affect the Central Plains through Thursday. Meanwhile, wintry weather conditions will spread through portions of Central and Northern Plains. A powerful storm system is forecast to approach the Pacific Northwest, then spreading inland and down through California through the end of this week. A series of storms will impact Alaska into the weekend. Read More >

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Current conditions at

Napa, Napa County Airport (KAPC)

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

Fog

40°F

4°C

Humidity	92%
Wind Speed	N 0 MPH
Barometer	30.3 in (1026.08 mb)
Dewpoint	38°F (3°C)
Visibility	0.25 mi
Last update	08 Dec 12:54 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

2 Miles NNW Napa CA

Overnight

Areas Fog
Low: 40 °F
Thursday

Rain and
Patchy Fog
High: 52 °F
Thursday
Night

Rain then
Slight Chance
Rain and
Patchy Dense
Fog
Low: 34 °F
Friday

Patchy Dense
Fog then
Chance Rain
High: 52 °F
Friday
Night

Rain Likely
Low: 42 °F
Saturday

Showers and
Breezy
High: 54 °F
Saturday
Night

Showers
Low: 40 °F
Sunday

Rain Likely
High: 51 °F
Sunday
Night

Chance Rain
Low: 32 °F

Detailed Forecast

Overnight

Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 40. Calm wind.

Thursday

Rain, mainly after 10am. Patchy fog before 10am. High near 52. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain, mainly before 10pm. Patchy dense fog after 1am. Low around 34. South southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

A 30 percent chance of rain after 4pm. Patchy dense fog before noon. Otherwise, partly sunny, with a high near 52. Calm wind becoming south around 5 mph in the afternoon.

Friday Night

Rain likely, mainly after 10pm. Cloudy, with a low around 42. South southeast wind 5 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Saturday

Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 54. Breezy. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Saturday Night

Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Some of the storms could produce small hail. Low around 40. Chance of precipitation is 100%.

Sunday

Rain likely, mainly before 4pm. Mostly cloudy, with a high near 51.

Sunday Night

A chance of rain, mainly before 10pm. Patchy frost after 4am. Otherwise, partly cloudy, with a low around 32.

Monday

Areas of frost before 9am. Otherwise, mostly sunny, with a high near 50.

Monday Night

Patchy fog. Patchy frost. Otherwise, partly cloudy, with a low around 31.

Tuesday

Widespread frost. Otherwise, mostly sunny, with a high near 50.

Tuesday Night

Partly cloudy, with a low around 31.