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 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

37°F

3°C

Humidity	93%
Wind Speed	E 3 MPH
Barometer	30.12 in (1019.98 mb)
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Last update	21 Feb 03:00 AM PST

More Information:

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

Extended Forecast for

Napa CA

Cold Weather Advisory February 21, 03:28am until February 21, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory February 21, 03:28am until February 21, 09:00am
NOW until 9:00am Sat
Cold Weather Advisory
Overnight
Low: 37 °F
Patchy Frost
and Areas Fog
Saturday
High: 57 °F
Patchy Fog
then Mostly
Sunny
Saturday Night
Low: 43 °F
Partly Cloudy
then Chance
Rain
Sunday
High: 61 °F
Chance Rain
then Mostly
Cloudy
Sunday Night
Low: 44 °F
Patchy Fog
Monday
High: 63 °F
Areas Fog
then Chance
Rain
Monday Night
Low: 51 °F
Rain and
Patchy Fog
Tuesday
High: 60 °F
Rain

Detailed Forecast

Overnight

Areas of fog. Patchy frost. Otherwise, mostly cloudy, with a steady temperature around 37. Calm wind.

Saturday

Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind becoming south 5 to 8 mph in the afternoon.

Saturday Night

A 30 percent chance of rain after 4am. Increasing clouds, with a low around 43. South southeast wind 3 to 6 mph.

Sunday

A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 61. Calm wind becoming south around 5 mph in the afternoon.

Sunday Night

Patchy fog. Otherwise, mostly cloudy, with a low around 44. Calm wind.

Monday

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

Monday Night

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

Tuesday

Rain. Cloudy, with a high near 60.