Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

50°F

10°C

Humidity	93%
Wind Speed	N 0 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	30 Aug 04:35 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

Today
High: 86 °F
Areas Fog
then Sunny
Tonight
Low: 49 °F
Clear then
Patchy Fog
Monday
High: 77 °F
Areas Fog
then Sunny
Monday Night
Low: 48 °F
Partly Cloudy
then Patchy
Fog
Tuesday
High: 71 °F
Patchy Fog
then Sunny
Tuesday Night
Low: 48 °F
Patchy Fog
Wednesday
High: 75 °F
Areas Fog
then Sunny
Wednesday Night
Low: 49 °F
Mostly Clear
then Areas
Fog
Thursday
High: 75 °F
Areas Fog
then Mostly
Sunny

Detailed Forecast

Today

Areas of fog before 9am. Otherwise, sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

Tonight

Patchy fog after midnight. Otherwise, increasing clouds, with a low around 49. Calm wind.

Monday

Areas of fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Monday Night

Patchy fog after 2am. Otherwise, increasing clouds, with a low around 48. Southwest wind 5 to 7 mph becoming calm in the evening.

Tuesday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 7 mph in the morning.

Tuesday Night

Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 48.

Wednesday

Areas of fog before 11am. Otherwise, mostly sunny, with a high near 75.

Wednesday Night

Areas of fog after 2am. Otherwise, partly cloudy, with a low around 49.

Thursday

Areas of fog before 8am. Otherwise, mostly sunny, with a high near 75.