Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Hazardous Weather Conditions

Cold Weather Advisory until February 21, 09:00 AM PST

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

39°F

4°C

Humidity	86%
Wind Speed	E 5 MPH
Barometer	30.13 in (1020.32 mb)
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Wind Chill	35°F (2°C)
Last update	21 Feb 06:55 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles W Napa Co. Airport CA

Cold Weather Advisory February 21, 07:17am until February 21, 09:00am

Click here for hazard details and duration

...

Cold Weather Advisory February 21, 07:17am until February 21, 09:00am
NOW until 9:00am Sat
Cold Weather Advisory
Today
High: 56 °F
Partly Sunny
Tonight
Low: 43 °F
Partly Cloudy
then Chance
Rain
Sunday
High: 61 °F
Chance Rain
Sunday Night
Low: 44 °F
Patchy Fog
Monday
High: 63 °F
Patchy Fog
then Chance
Rain
Monday Night
Low: 51 °F
Rain
Tuesday
High: 59 °F
Rain
Tuesday Night
Low: 49 °F
Rain Likely

Detailed Forecast

Today

Partly sunny, with a high near 56. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

Tonight

A 30 percent chance of rain after 4am. Increasing clouds, with a low around 43. East southeast wind 6 to 8 mph.

Sunday

A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 61. South wind 6 to 8 mph.

Sunday Night

Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44. Light and variable wind.

Monday

A 30 percent chance of rain after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming east southeast around 6 mph in the afternoon.

Monday Night

Rain, mainly after 10pm. Low around 51. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

Rain. High near 59. Chance of precipitation is 90%.

Tuesday Night

Rain likely, mainly before 10pm. Cloudy, with a low around 49.

Wednesday

A chance of rain. Mostly cloudy, with a high near 62.

Wednesday Night

A chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 46.

Thursday

A slight chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 66.