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

53°F

12°C

Humidity	58%
Wind Speed	E 8 MPH
Barometer	30.06 in (1017.95 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Last update	20 Feb 01:54 PM 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, 01:00am until February 21, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

This Afternoon
High: 50 °F
Partly Sunny
Tonight
Low: 35 °F
Mostly Clear
then Patchy
Frost
Saturday
High: 56 °F
Partly Sunny
then Slight
Chance Rain
Saturday Night
Low: 45 °F
Chance Rain
Sunday
High: 62 °F
Chance Rain
Sunday Night
Low: 45 °F
Slight Chance
Rain then
Patchy Fog
Monday
High: 63 °F
Chance Rain
and Patchy
Fog
Monday Night
Low: 52 °F
Rain Likely
Tuesday
High: 59 °F
Rain

Detailed Forecast

This Afternoon

Partly sunny, with a high near 50. South southeast wind around 6 mph.

Tonight

Patchy frost after 1am. Otherwise, increasing clouds, with a low around 35. Light east wind.

Saturday

A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 56. East wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 10%.

Saturday Night

A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 45. Southeast wind around 10 mph, with gusts as high as 22 mph.

Sunday

A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 62. South wind 8 to 11 mph.

Sunday Night

A 20 percent chance of rain before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 45.

Monday

A 30 percent chance of rain, mainly after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63.

Monday Night

Rain likely, mainly after 10pm. Cloudy, with a low around 52.

Tuesday

Rain. Cloudy, with a high near 59.