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

45°F

7°C

Humidity	81%
Wind Speed	E 8 MPH
Barometer	30.07 in (1018.29 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Wind Chill	41°F (5°C)
Last update	20 Feb 07:35 PM PST

More Information:

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

Extended Forecast for

7 Miles S 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: 35 °F
Mostly Clear
then Patchy
Frost
Saturday
High: 54 °F
Partly Sunny
then Slight
Chance Rain
Saturday Night
Low: 43 °F
Chance Rain
Sunday
High: 59 °F
Chance Rain
Sunday Night
Low: 46 °F
Chance Rain
Monday
High: 62 °F
Chance Rain
Monday Night
Low: 53 °F
Rain
Tuesday
High: 58 °F
Rain
Tuesday Night
Low: 51 °F
Rain Likely

Detailed Forecast

Tonight

Patchy frost after midnight. Otherwise, increasing clouds, with a low around 35. Calm wind.

Saturday

A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 54. Light southeast wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 10%.

Saturday Night

A 30 percent chance of rain after 10pm. Partly cloudy, with a low around 43. South southeast wind around 10 mph, with gusts as high as 22 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. Mostly cloudy, with a low around 46. Light and variable wind.

Monday

A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 62. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

Rain, mainly after 10pm. Low around 53. Chance of precipitation is 80%.

Tuesday

Rain. Cloudy, with a high near 58.

Tuesday Night

Rain likely, mainly before 10pm. Cloudy, with a low around 51.

Wednesday

A chance of rain. Mostly cloudy, with a high near 61.

Wednesday Night

A chance of rain. Mostly cloudy, with a low around 50.

Thursday

A chance of rain. Partly sunny, with a high near 66.