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.

heavy rain,mist

43°F

6°C

Humidity	93%
Wind Speed	E 13 MPH
Barometer	29.68 in (1005.08 mb)
Dewpoint	41°F (5°C)
Visibility	3.00 mi
Wind Chill	36°F (2°C)
Last update	19 Feb 05:35 AM PST

More Information:

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

Extended Forecast for

2 Miles NNW 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: 51 °F
Rain then
Slight Chance
Rain
Thursday Night
Low: 30 °F
Clear then
Frost and
Patchy Fog
Friday
High: 50 °F
Frost and
Areas Fog
then Partly
Sunny
Friday Night
Low: 34 °F
Patchy Fog
then Patchy
Frost and
Patchy Fog
Saturday
High: 54 °F
Slight Chance
Rain and
Patchy Fog
Saturday Night
Low: 45 °F
Chance Rain
Sunday
High: 59 °F
Rain Likely
Sunday Night
Low: 50 °F
Rain Likely

Detailed Forecast

Overnight

Rain. Steady temperature around 41. East southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Rain before 1pm, then a slight chance of rain after 3pm. High near 51. West northwest wind 7 to 14 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 2am. Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 30. Northwest wind around 6 mph becoming calm in the evening.

Friday

Areas of fog before 9am. Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 50. Calm wind.

Friday Night

Patchy fog after 11pm. Patchy frost after midnight. Otherwise, partly cloudy, with a low around 34. Calm wind.

Saturday

A 20 percent chance of rain after 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 54.

Saturday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 45.

Sunday

Rain likely. Mostly cloudy, with a high near 59.

Sunday Night

Rain likely, mainly before 10pm. Cloudy, with a low around 50.