Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

55°F

13°C

Humidity	93%
Wind Speed	N 0 MPH
Barometer	29.95 in (1014.22 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	05 Sep 12:35 AM PDT

More Information:

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

Extended Forecast for

4 Miles ESE Yountville CA

Overnight
Low: 49 °F
Patchy Fog
Saturday
High: 76 °F
Areas Fog
then Sunny
Saturday Night
Low: 50 °F
Mostly Clear
then Patchy
Fog
Sunday
High: 75 °F
Patchy Fog
then Sunny
Sunday Night
Low: 52 °F
Clear then
Patchy Fog
Labor Day
High: 83 °F
Sunny
Monday Night
Low: 56 °F
Mostly Clear
Tuesday
High: 85 °F
Mostly Sunny
Tuesday Night
Low: 59 °F
Partly Cloudy

Detailed Forecast

Overnight

Patchy fog after 2am. Otherwise, mostly clear, with a low around 49. Calm wind.

Saturday

Areas of fog before 10am. Otherwise, sunny, with a high near 76. Calm wind becoming southwest 5 to 8 mph in the afternoon.

Saturday Night

Patchy fog after 1am. Otherwise, increasing clouds, with a low around 50. West wind around 5 mph becoming calm in the evening.

Sunday

Patchy fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 75. Calm wind becoming southwest 5 to 9 mph in the afternoon.

Sunday Night

Patchy fog after 2am. Otherwise, mostly clear, with a low around 52. Southwest wind 5 to 8 mph becoming calm in the evening.

Labor Day

Sunny, with a high near 83.

Monday Night

Mostly clear, with a low around 56.

Tuesday

Mostly sunny, with a high near 85.

Tuesday Night

Partly cloudy, with a low around 59.

Wednesday

A slight chance of rain. Partly sunny, with a high near 85.