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

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. 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.

Partly Cloudy

50°F

10°C

Humidity	65%
Wind Speed	W 19 MPH
Barometer	29.74 in (1007.11 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Wind Chill	44°F (7°C)
Last update	19 Feb 10:54 AM PST

More Information:

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

Extended Forecast for

4 Miles WSW Yountville CA

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

Click here for hazard details and duration

Extreme Cold Warning

Today
High: 48 °F
Slight Chance
Rain
Tonight
Low: 34 °F
Clear then
Patchy Frost
Friday
High: 49 °F
Areas Frost
then Partly
Sunny
Friday Night
Low: 38 °F
Partly Cloudy
Saturday
High: 52 °F
Slight Chance
Rain
Saturday Night
Low: 47 °F
Chance Rain
Sunday
High: 57 °F
Rain Likely
Sunday Night
Low: 52 °F
Rain Likely
Monday
High: 59 °F
Rain Likely

Detailed Forecast

Today

A slight chance of rain before noon, then a slight chance of rain after 3pm. Sunny, with a high near 48. West northwest wind around 13 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Tonight

Patchy frost after 1am. Otherwise, mostly clear, with a low around 34. West northwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph.

Friday

Areas of frost before 8am. Otherwise, mostly sunny, with a high near 49. Light and variable wind.

Friday Night

Partly cloudy, with a low around 38. Calm wind.

Saturday

A 20 percent chance of rain after 10am. Partly sunny, with a high near 52. Southeast wind 3 to 7 mph. Winds could gust as high as 20 mph.

Saturday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 47. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.

Sunday Night

Rain likely, mainly before 4am. Mostly cloudy, with a low around 52.