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

48°F

9°C

Humidity	66%
Wind Speed	E 4 MPH
Barometer	30.11 in (1019.64 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Wind Chill	47°F (8°C)
Last update	20 Feb 11:35 AM PST

More Information:

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

Extended Forecast for

4 Miles WSW Yountville CA

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

Click here for hazard details and duration

Cold Weather Advisory

Today
High: 48 °F
Partly Sunny
Tonight
Low: 37 °F
Partly Cloudy
Saturday
High: 53 °F
Partly Sunny
then Slight
Chance Rain
Saturday Night
Low: 45 °F
Chance Rain
Sunday
High: 59 °F
Chance Rain
Sunday Night
Low: 48 °F
Chance Rain
Monday
High: 62 °F
Chance Rain
Monday Night
Low: 54 °F
Rain
Tuesday
High: 58 °F
Rain

Detailed Forecast

Today

Partly sunny, with a high near 48. Light south southeast wind.

Tonight

Partly cloudy, with a low around 37. Light southeast wind.

Saturday

A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 53. Southeast wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 10%.

Saturday Night

A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 45. South southeast wind around 9 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday

A 50 percent chance of rain. Mostly cloudy, with a high near 59. South wind around 8 mph, with gusts as high as 18 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 48.

Monday

A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 62.

Monday Night

Rain, mainly after 10pm. Cloudy, with a low around 54.

Tuesday

Rain. Cloudy, with a high near 58.

Tuesday Night

Rain likely, mainly before 10pm. Cloudy, with a low around 53.

Wednesday

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