Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

63°F

17°C

Humidity	77%
Wind Speed	W 12 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	18 Jun 08:15 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: 52 °F
Mostly Clear
then Patchy
Fog
Juneteenth
High: 73 °F
Patchy Fog
then Sunny
Friday Night
Low: 50 °F
Mostly Clear
then Patchy
Fog
Saturday
High: 77 °F
Areas Fog
then Sunny
Saturday Night
Low: 49 °F
Clear then
Patchy Fog
Sunday
High: 85 °F
Areas Fog
then Sunny
Sunday Night
Low: 51 °F
Clear then
Patchy Fog
Monday
High: 86 °F
Sunny
Monday Night
Low: 52 °F
Clear then
Patchy Fog

Detailed Forecast

Tonight

Patchy fog after 2am. Otherwise, increasing clouds, with a low around 52. West wind 5 to 8 mph becoming calm after midnight.

Juneteenth

Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Friday Night

Patchy fog after midnight. Otherwise, partly cloudy, with a low around 50. West southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.

Saturday

Areas of fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.

Saturday Night

Patchy fog after midnight. Otherwise, mostly clear, with a low around 49. West southwest wind 5 to 7 mph becoming calm in the evening.

Sunday

Areas of fog before 8am. Otherwise, sunny, with a high near 85.

Sunday Night

Patchy fog after 1am. Otherwise, clear, with a low around 51.

Monday

Sunny, with a high near 86.

Monday Night

Patchy fog after 1am. Otherwise, mostly clear, with a low around 52.

Tuesday

Patchy fog before 8am. Otherwise, sunny, with a high near 87.