Major Winter Storm System Will Bring A Variety Of Impacts To The Central, Southern, And Eastern U.S. Through The Weekend

An impactful winter storm will track from the Plains to New England through Sunday, with bitter cold behind it. Heavy snow is likely from the Corn Belt to interior Northeast, with significant ice accumulations in the Ohio Valley and New England. Farther south, heavy rain could lead to flooding in the Tennessee Valley on Saturday, with isolated severe thunderstorms in the lower Mississippi Valley. Read More >

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Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33ft.

Lt Rain

50°F

10°C

Humidity	93%
Wind Speed	N 7 MPH
Barometer	30.29 in (1024.9 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Wind Chill	47°F (8°C)
Last update	18 Jan 5:54 am PST

More Information:

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

Extended Forecast for

4 Miles WSW Lake Berryessa CA

Today

Chance
Showers
High: 52 °F
Tonight

Chance
Showers
Low: 47 °F
Saturday

Chance
Showers
High: 56 °F
Saturday
Night

Chance
Showers
Low: 48 °F
Sunday

Showers
Likely
High: 53 °F
Sunday
Night

Slight Chance
Showers then
Partly Cloudy
Low: 40 °F
M.L.King
Day

Mostly Sunny
High: 52 °F
Monday
Night

Mostly Clear
Low: 41 °F
Tuesday

Sunny
High: 54 °F

Detailed Forecast

Today

A 40 percent chance of showers. Mostly cloudy, with a high near 52. South southwest wind 7 to 13 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

Tonight

A 40 percent chance of showers. Mostly cloudy, with a low around 47. South southwest wind around 16 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 30 percent chance of showers, mainly before 10am. Mostly cloudy, with a high near 56. South southwest wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

A 40 percent chance of showers, mainly after 10pm. Mostly cloudy, with a low around 48. South southwest wind 5 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Showers likely, mainly before 4pm. Mostly cloudy, with a high near 53. South southwest wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Night

A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 40.

M.L.King Day

Mostly sunny, with a high near 52.

Monday Night

Mostly clear, with a low around 41.

Tuesday

Sunny, with a high near 54.

Tuesday Night

Mostly clear, with a low around 42.

Wednesday

Sunny, with a high near 57.