Areas of Excessive Rainfall and Severe Thunderstorms Today

Heavy to excessive rainfall from thunderstorms may bring areas of flooding today across parts of Texas, the Southeast U.S., and the lower Ohio Valley. Severe thunderstorms with large hail, damaging wind gusts, and a couple tornadoes are expected this afternoon and evening across parts of west and southwest Texas. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

69°F

21°C

Humidity	40%
Wind Speed	NW 5 MPH
Barometer	29.84 in (1010.5 mb)
Dewpoint	44°F (7°C)
Visibility	10.00 mi
Last update	26 May 11:54 AM PDT

More Information:

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

Extended Forecast for

4 Miles E Saint Helena CA

This Afternoon
High: 70 °F
Chance Rain
Tonight
Low: 46 °F
Mostly Clear
then Patchy
Fog
Wednesday
High: 70 °F
Patchy Fog
then Chance
Rain
Wednesday Night
Low: 48 °F
Chance Rain
and Patchy
Fog
Thursday
High: 72 °F
Slight Chance
Rain and
Areas Fog
Thursday Night
Low: 48 °F
Partly Cloudy
then Patchy
Fog
Friday
High: 73 °F
Areas Fog
then Mostly
Sunny
Friday Night
Low: 49 °F
Mostly Clear
then Areas
Fog
Saturday
High: 79 °F
Areas Fog
then Sunny

Detailed Forecast

This Afternoon

A 40 percent chance of rain after 4pm. Mostly sunny, with a high near 70. West northwest wind around 6 mph.

Tonight

Patchy fog after 4am. Otherwise, partly cloudy, with a low around 46. West northwest wind around 6 mph becoming calm in the evening.

Wednesday

A 30 percent chance of rain, mainly between 1pm and 4pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

A chance of rain before 3am, then a slight chance of rain after 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

A 20 percent chance of rain. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 72. Calm wind becoming southwest around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

Patchy fog after 2am. Otherwise, partly cloudy, with a low around 48.

Friday

Areas of fog before 8am. Otherwise, mostly sunny, with a high near 73.

Friday Night

Areas of fog after 1am. Otherwise, mostly clear, with a low around 49.

Saturday

Areas of fog before 8am. Otherwise, sunny, with a high near 79.

Saturday Night

Clear, with a low around 49.

Sunday

Sunny, with a high near 84.