Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. through Thursday, focused from the central High Plains to the Mid-Mississippi Valley. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, and dry thunderstorms may spark additional wildfires. Dangerous heat will build across the southern U.S. Friday into the weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

57°F

14°C

Humidity	87%
Wind Speed	W 12 MPH
Barometer	29.93 in (1013.55 mb)
Dewpoint	54°F (12°C)
Visibility	8.00 mi
Last update	24 Jun 09:20 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: 51 °F
Mostly Clear
then Patchy
Fog
Thursday
High: 86 °F
Areas Fog
then Sunny
Thursday Night
Low: 54 °F
Partly Cloudy
Friday
High: 80 °F
Mostly Sunny
Friday Night
Low: 52 °F
Mostly Clear
then Patchy
Fog
Saturday
High: 77 °F
Mostly Sunny
Saturday Night
Low: 51 °F
Mostly Clear
Sunday
High: 82 °F
Sunny
Sunday Night
Low: 54 °F
Mostly Clear

Detailed Forecast

Tonight

Patchy fog after 1am. Otherwise, increasing clouds, with a low around 51. Calm wind.

Thursday

Areas of fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 86. Calm wind becoming south around 6 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 54. West wind 5 to 7 mph becoming calm in the evening.

Friday

Mostly sunny, with a high near 80. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 23 mph.

Friday Night

Patchy fog after 5am. Otherwise, partly cloudy, with a low around 52. West southwest wind 5 to 11 mph, with gusts as high as 31 mph.

Saturday

Mostly sunny, with a high near 77.

Saturday Night

Mostly clear, with a low around 51.

Sunday

Sunny, with a high near 82.