Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Extreme Cold Warning in effect from February 20, 01:00 AM PST until February 20, 09:00 AM PST

Current conditions at

Napa, Napa County Airport (KAPC)

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

Rain

45°F

7°C

Humidity	81%
Wind Speed	ESE 11 MPH
Barometer	29.74 in (1007.11 mb)
Dewpoint	39°F (4°C)
Visibility	8.00 mi
Wind Chill	39°F (4°C)
Last update	19 Feb 03:10 AM PST

More Information:

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

Extended Forecast for

2 Miles N Sonoma CA

Extreme Cold Warning February 20, 01:00am until February 20, 09:00am

Click here for hazard details and duration

Extreme Cold Warning

Overnight
Low: 40 °F
Rain
Thursday
High: 50 °F
Rain then
Sunny
Thursday Night
Low: 29 °F
Mostly Clear
then Frost
and Patchy
Fog
Friday
High: 49 °F
Frost and
Patchy Fog
then Partly
Sunny
Friday Night
Low: 32 °F
Patchy Frost
and Patchy
Fog
Saturday
High: 53 °F
Slight Chance
Rain and
Patchy Fog
Saturday Night
Low: 44 °F
Chance Rain
Sunday
High: 57 °F
Rain Likely
Sunday Night
Low: 48 °F
Rain Likely

Detailed Forecast

Overnight

Rain. Steady temperature around 40. East southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Rain, mainly before 10am. High near 50. West northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Patchy fog after 3am. Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 29. Northwest wind 5 to 7 mph becoming calm in the evening.

Friday

Patchy fog before 8am. Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 49. Light and variable wind.

Friday Night

Patchy fog after 11pm. Patchy frost after 11pm. Otherwise, partly cloudy, with a low around 32. Calm wind.

Saturday

A 20 percent chance of rain after 10am. Patchy fog before 9am. Patchy frost before 7am. Otherwise, mostly cloudy, with a high near 53.

Saturday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 44.

Sunday

Rain likely. Mostly cloudy, with a high near 57.

Sunday Night

Rain likely, mainly before 10pm. Cloudy, with a low around 48.