Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

59°F

15°C

Humidity	82%
Wind Speed	WSW 6 MPH
Barometer	29.86 in (1011.18 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	11 Sep 10:20 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: 53 °F
Mostly Clear
Saturday
High: 82 °F
Becoming
Sunny
Saturday Night
Low: 50 °F
Mostly Clear
Sunday
High: 81 °F
Patchy Smoke
then Sunny
Sunday Night
Low: 52 °F
Mostly Clear
Monday
High: 86 °F
Sunny
Monday Night
Low: 52 °F
Clear then
Patchy Fog
Tuesday
High: 84 °F
Patchy Fog
then Sunny
Tuesday Night
Low: 51 °F
Mostly Clear
then Patchy
Fog

Detailed Forecast

Tonight

Mostly clear, with a low around 53. Calm wind.

Saturday

Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

Saturday Night

Mostly clear, with a low around 50. West wind 9 to 14 mph becoming light northwest. Winds could gust as high as 32 mph.

Sunday

Patchy smoke between 10am and noon. Sunny, with a high near 81. Northwest wind around 5 mph becoming calm in the morning.

Sunday Night

Mostly clear, with a low around 52. Calm wind.

Monday

Sunny, with a high near 86.

Monday Night

Patchy fog after 4am. Otherwise, mostly clear, with a low around 52.

Tuesday

Patchy fog before 8am. Otherwise, sunny, with a high near 84.