Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from January 11, 01:00 AM PST until January 11, 09:00 AM PST

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

36°F

2°C

Humidity	93%
Wind Speed	N 0 MPH
Barometer	30.39 in (1029.12 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	11 Jan 04:15 AM PST

More Information:

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

Extended Forecast for

2 Miles NW Napa Co. Airport CA

Cold Weather Advisory until January 11, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory until January 11, 09:00am
NOW until 9:00am Sun
Cold Weather Advisory
Overnight
Low: 35 °F
Areas Frost
Sunday
High: 57 °F
Areas Frost
then Mostly
Sunny
Sunday Night
Low: 36 °F
Partly Cloudy
Monday
High: 57 °F
Patchy Frost
and Patchy
Fog then
Sunny
Monday Night
Low: 37 °F
Mostly Clear
Tuesday
High: 59 °F
Sunny
Tuesday Night
Low: 40 °F
Mostly Clear
Wednesday
High: 60 °F
Patchy Fog
then Sunny

Detailed Forecast

Overnight

Areas of frost. Otherwise, partly cloudy, with a low around 35. Calm wind.

Sunday

Areas of frost before 9am. Otherwise, mostly sunny, with a high near 57. Calm wind becoming south southeast around 5 mph.

Sunday Night

Partly cloudy, with a low around 36. Calm wind.

Monday

Patchy fog before 10am. Patchy frost before 8am. Otherwise, sunny, with a high near 57. Calm wind becoming east northeast around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 37. Calm wind.

Tuesday

Sunny, with a high near 59.

Tuesday Night

Mostly clear, with a low around 40.

Wednesday

Patchy fog before 7am. Otherwise, sunny, with a high near 60.

Wednesday Night

Mostly clear, with a low around 43.

Thursday

Sunny, with a high near 62.