Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

50°F

10°C

Humidity	86%
Wind Speed	SE 3 MPH
Barometer	30.17 in (1021.67 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	12 Feb 08:54 PM PST

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: 41 °F
Patchy Fog
Friday
High: 64 °F
Patchy Dense
Fog then
Sunny
Friday Night
Low: 42 °F
Areas Fog
Saturday
High: 57 °F
Areas Fog
then Chance
Showers
Saturday Night
Low: 45 °F
Showers
Likely
Sunday
High: 56 °F
Showers
Sunday Night
Low: 45 °F
Showers
Washington's Birthday
High: 54 °F
Showers
Monday Night
Low: 40 °F
Showers

Detailed Forecast

Tonight

Patchy fog after 10pm. Otherwise, mostly clear, with a low around 41. Calm wind.

Friday

Patchy dense fog before 8am. Otherwise, sunny, with a high near 64. Light and variable wind.

Friday Night

Areas of fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 42. Calm wind.

Saturday

A 30 percent chance of showers after 4pm. Areas of fog between 7am and 8am. Otherwise, cloudy, with a high near 57. Calm wind becoming south around 6 mph in the afternoon.

Saturday Night

Showers likely, mainly after 10pm. Cloudy, with a low around 45. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Showers. High near 56. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday Night

Showers. Low around 45. Chance of precipitation is 90%.

Washington's Birthday

Showers, with thunderstorms also possible after 4pm. Cloudy, with a high near 54.

Monday Night

Showers and possibly a thunderstorm. Cloudy, with a low around 40.

Tuesday

Showers. Mostly cloudy, with a high near 51.

Tuesday Night

Showers likely. Mostly cloudy, with a low around 37.