Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

43°F

6°C

Humidity	100%
Wind Speed	E 11 MPH
Barometer	30.15 in (1021.0 mb)
Dewpoint	43°F (6°C)
Visibility	4.00 mi
Wind Chill	37°F (3°C)
Last update	30 Dec 08:20 PM PST

More Information:

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

Extended Forecast for

4 Miles WSW Yountville CA

Tonight
Low: 47 °F⇑
Mostly Cloudy
Wednesday
High: 51 °F
Chance Rain
Wednesday Night
Low: 48 °F
Rain
New Year's Day
High: 56 °F
Rain
Thursday Night
Low: 52 °F
Rain
Friday
High: 56 °F
Rain
Friday Night
Low: 48 °F
Rain
Saturday
High: 52 °F
Rain
Saturday Night
Low: 46 °F
Rain

Detailed Forecast

Tonight

Mostly cloudy, with a temperature rising to around 50 by 2am. North wind 3 to 6 mph.

Wednesday

A 50 percent chance of rain after 10am. Cloudy, with a high near 51. North wind around 5 mph becoming light and variable in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 48. Northeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

New Year's Day

Rain. High near 56. East southeast wind 5 to 8 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain. Low around 52. South wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain. High near 56. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Friday Night

Rain. Low around 48. Chance of precipitation is 90%.

Saturday

Rain. Mostly cloudy, with a high near 52.

Saturday Night

Rain. Mostly cloudy, with a low around 46.

Sunday

Rain likely. Mostly cloudy, with a high near 51.

Sunday Night

Rain likely. Mostly cloudy, with a low around 46.