Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

51°F

11°C

Humidity	89%
Wind Speed	ENE 13 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	31 Dec 11:54 PM PST

More Information:

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

Extended Forecast for

2 Miles SE Lake Berryessa CA

Overnight
Low: 49 °F
Rain
New Year's Day
High: 57 °F
Rain
Thursday Night
Low: 56 °F
Rain Likely
Friday
High: 57 °F
Rain
Friday Night
Low: 53 °F
Rain
Saturday
High: 56 °F
Showers
Saturday Night
Low: 51 °F
Showers
Sunday
High: 53 °F
Rain
Sunday Night
Low: 48 °F
Rain

Detailed Forecast

Overnight

Rain. Low around 49. East southeast wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

New Year's Day

Rain. High near 57. Southeast wind 9 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a steady temperature around 56. South southeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain, mainly after 10am. High near 57. South southeast wind 6 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Rain. Low around 53. South southeast wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Saturday

Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 56. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 90%.

Sunday

Rain. Cloudy, with a high near 53.

Sunday Night

Rain. Mostly cloudy, with a low around 48.

Monday

Rain. Mostly cloudy, with a high near 51.

Monday Night

Rain likely. Mostly cloudy, with a low around 47.

Tuesday

A chance of rain. Partly sunny, with a high near 52.