Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Fog

37°F

3°C

Humidity	100%
Wind Speed	N 3 MPH
Barometer	30.14 in (1020.66 mb)
Dewpoint	37°F (3°C)
Visibility	0.25 mi
Last update	13 Feb 06:54 AM PST

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: 64 °F
Areas Fog
then Sunny
Tonight
Low: 42 °F
Patchy Fog
Saturday
High: 57 °F
Areas Dense
Fog then
Mostly Cloudy
Saturday Night
Low: 45 °F
Rain Likely
Sunday
High: 56 °F
Rain
Sunday Night
Low: 44 °F
Rain and
Patchy Fog
Washington's Birthday
High: 52 °F
Rain
Monday Night
Low: 39 °F
Rain
Tuesday
High: 50 °F
Rain

Detailed Forecast

Today

Areas of fog before 8am. Otherwise, mostly sunny, with a high near 64. Light and variable wind.

Tonight

Patchy fog after 9pm. Otherwise, increasing clouds, with a low around 42. Calm wind.

Saturday

Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.

Saturday Night

Rain likely, mainly after 4am. Mostly 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

Rain. High near 56. Calm wind becoming south southeast 5 to 7 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday Night

Rain. Patchy fog after 10pm. Low around 44. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Washington's Birthday

Rain. High near 52. Chance of precipitation is 90%.

Monday Night

Rain. Cloudy, with a low around 39.

Tuesday

Rain. Cloudy, with a high near 50.

Tuesday Night

Rain likely, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 36.

Wednesday

Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 53.