Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from February 18, 12:00 AM PST until February 18, 09:00 AM PST

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Partly Cloudy

34°F

1°C

Humidity	100%
Wind Speed	N 4 MPH
Barometer	29.96 in (1014.56 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Wind Chill	30°F (-1°C)
Last update	18 Feb 08:00 AM PST

More Information:

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

Extended Forecast for

6 Miles SE Sonoma CA

Cold Weather Advisory until February 18, 09:00am

Click here for hazard details and duration

...

Cold Weather Advisory until February 18, 09:00am
NOW until 9:00am Wed
Cold Weather Advisory
Today
High: 50 °F
Chance Rain
and Areas Fog
Tonight
Low: 40 °F
Rain and
Patchy Fog
Thursday
High: 49 °F
Rain and
Areas Fog
then Chance
Rain
Thursday Night
Low: 29 °F
Patchy Frost
then Frost
and Patchy
Fog
Friday
High: 49 °F
Frost and
Areas Fog
then Partly
Sunny
Friday Night
Low: 35 °F
Slight Chance
Rain and
Patchy Fog
Saturday
High: 52 °F
Rain Likely
and Areas Fog
Saturday Night
Low: 44 °F
Rain Likely

Detailed Forecast

Today

A 40 percent chance of rain between 1pm and 4pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 50. Light and variable wind becoming west 6 to 11 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain, mainly after 11pm. Patchy fog after 2am. Low around 40. Calm wind becoming southeast 5 to 8 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain, mainly before 10am. Areas of fog before 8am. High near 49. West northwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Patchy fog after 2am. Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 29. West northwest wind 5 to 9 mph becoming calm after midnight.

Friday

Areas of fog before 9am. Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 49. Calm wind becoming east southeast around 5 mph in the afternoon.

Friday Night

A 20 percent chance of rain after 10pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 35.

Saturday

Rain likely, mainly after 4pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 52. Chance of precipitation is 60%.

Saturday Night

Rain likely. Mostly cloudy, with a low around 44.

Sunday

Rain. Cloudy, with a high near 57.

Sunday Night

Rain. Cloudy, with a low around 50.

Monday

Rain. Cloudy, with a high near 58.