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

37°F

3°C

Humidity	86%
Wind Speed	NNE 5 MPH
Barometer	30.13 in (1020.32 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Wind Chill	33°F (1°C)
Last update	21 Feb 02:00 AM PST

More Information:

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

Extended Forecast for

5 Miles SSE Sonoma CA

Cold Weather Advisory until February 21, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory until February 21, 09:00am
NOW until 9:00am Sat
Cold Weather Advisory
Overnight
Low: 35 °F
Patchy Frost
and Patchy
Fog
Saturday
High: 56 °F
Partly Sunny
Saturday Night
Low: 44 °F
Partly Cloudy
then Chance
Rain
Sunday
High: 61 °F
Chance Rain
Sunday Night
Low: 44 °F
Patchy Fog
Monday
High: 63 °F
Areas Fog
then Chance
Rain
Monday Night
Low: 51 °F
Rain
Tuesday
High: 59 °F
Rain

Detailed Forecast

Overnight

Patchy fog. Patchy frost. Otherwise, mostly cloudy, with a low around 35. Calm wind.

Saturday

Partly sunny, with a high near 56. Light and variable wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Saturday Night

A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 44. Southeast wind 6 to 9 mph.

Sunday

A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 61. South wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44. Light and variable 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. Low around 51. Chance of precipitation is 80%.

Tuesday

Rain. Cloudy, with a high near 59.

Tuesday Night

Rain likely, mainly before 10pm. Patchy fog after 4am. Otherwise, cloudy, with a low around 48.

Wednesday

A chance of rain. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 62.