Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

66°F

19°C

Humidity	72%
Wind Speed	SW 10 MPH
Barometer	30.05 in (1017.61 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	15 Aug 07:20 PM PDT

More Information:

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

Extended Forecast for

4 Miles E Saint Helena CA

Tonight
Low: 50 °F
Patchy Fog
Sunday
High: 86 °F
Patchy Fog
then Sunny
Sunday Night
Low: 51 °F
Partly Cloudy
then Patchy
Fog
Monday
High: 84 °F
Patchy Fog
then Sunny
Monday Night
Low: 51 °F
Patchy Fog
Tuesday
High: 86 °F
Patchy Fog
then Mostly
Sunny
Tuesday Night
Low: 53 °F
Partly Cloudy
then Areas
Fog
Wednesday
High: 88 °F
Areas Fog
then Mostly
Sunny
Wednesday Night
Low: 54 °F
Partly Cloudy

Detailed Forecast

Tonight

Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 50. Calm wind.

Sunday

Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

Sunday Night

Patchy fog after midnight. Otherwise, increasing clouds, with a low around 51. Light and variable wind.

Monday

Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

Monday Night

Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm in the evening.

Tuesday

Patchy fog before 9am. Otherwise, partly sunny, with a high near 86.

Tuesday Night

Areas of fog after 1am. Otherwise, mostly cloudy, with a low around 53.

Wednesday

Areas of fog before 9am. Otherwise, partly sunny, with a high near 88.

Wednesday Night

Partly cloudy, with a low around 54.

Thursday

Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86.