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	92%
Wind Speed	ESE 8 MPH
Barometer	29.82 in (1009.82 mb)
Dewpoint	43°F (6°C)
Visibility	7.00 mi
Wind Chill	41°F (5°C)
Last update	19 Feb 01:54 AM PST

More Information:

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

Extended Forecast for

4 Miles NW Napa 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: 41 °F
Rain
Thursday
High: 52 °F
Rain then
Slight Chance
Rain
Thursday Night
Low: 31 °F
Clear then
Frost and
Patchy Fog
Friday
High: 51 °F
Frost and
Patchy Fog
then Partly
Sunny
Friday Night
Low: 35 °F
Partly Cloudy
then Areas
Frost and
Patchy Fog
Saturday
High: 55 °F
Slight Chance
Rain and
Patchy Fog
Saturday Night
Low: 46 °F
Chance Rain
Sunday
High: 60 °F
Rain Likely
Sunday Night
Low: 51 °F
Rain Likely

Detailed Forecast

Overnight

Rain. Steady temperature around 41. East southeast wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Rain before 1pm, then a slight chance of rain after 3pm. High near 52. West northwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Patchy fog after 5am. Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31. Northwest wind around 6 mph becoming calm in the evening.

Friday

Patchy fog before 7am. Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 51. Calm wind.

Friday Night

Patchy fog after 4am. Areas of frost after midnight. Otherwise, partly cloudy, with a low around 35. Calm wind.

Saturday

A 20 percent chance of rain after 10am. Patchy fog before 7am. Patchy frost before 7am. Otherwise, mostly cloudy, with a high near 55.

Saturday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 46.

Sunday

Rain likely. Mostly cloudy, with a high near 60.

Sunday Night

Rain likely, mainly before 10pm. Cloudy, with a low around 51.