Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from February 21, 01:00 AM PST 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

43°F

6°C

Humidity	81%
Wind Speed	ESE 6 MPH
Barometer	30.12 in (1019.98 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Wind Chill	39°F (4°C)
Last update	20 Feb 10:00 PM PST

More Information:

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

Extended Forecast for

7 Miles SSE Lake Berryessa CA

Cold Weather Advisory February 21, 01:00am until February 21, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Tonight
Low: 34 °F
Patchy Frost
Saturday
High: 53 °F
Partly Sunny
then Slight
Chance Rain
Saturday Night
Low: 42 °F
Chance Rain
Sunday
High: 59 °F
Chance Rain
Sunday Night
Low: 45 °F
Chance Rain
and Patchy
Fog
Monday
High: 61 °F
Chance Rain
and Patchy
Fog
Monday Night
Low: 51 °F
Rain
Tuesday
High: 57 °F
Rain
Tuesday Night
Low: 50 °F
Rain Likely

Detailed Forecast

Tonight

Patchy frost after 11pm. Otherwise, increasing clouds, with a low around 34. Calm wind.

Saturday

A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 53. Light southeast wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 10%.

Saturday Night

A 30 percent chance of rain after 10pm. Partly cloudy, with a low around 42. South southeast wind around 8 mph, with gusts as high as 21 mph.

Sunday

A 40 percent chance of rain. Partly sunny, with a high near 59. South wind 7 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

A 30 percent chance of rain, mainly before 10pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 45. Light and variable wind.

Monday

A 30 percent chance of rain, mainly after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 61. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

Rain, mainly after 10pm. Low around 51. Chance of precipitation is 80%.

Tuesday

Rain. Cloudy, with a high near 57.

Tuesday Night

Rain likely, mainly before 10pm. Cloudy, with a low around 50.

Wednesday

A chance of rain. Mostly cloudy, with a high near 60.

Wednesday Night

A chance of rain. Mostly cloudy, with a low around 48.

Thursday

A chance of rain. Partly sunny, with a high near 65.