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 >

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 Chill47°F (8°C)
Last update 18 Jan 5:54 am PST
Extended Forecast for

4 Miles WSW Lake Berryessa CA

  • Today

    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.

    Chance
    Showers

    High: 52 °F

  • Tonight

    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.

    Chance
    Showers

    Low: 47 °F

  • Saturday

    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.

    Chance
    Showers

    High: 56 °F

  • Saturday
    Night

    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.

    Chance
    Showers

    Low: 48 °F

  • Sunday

    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.

    Showers
    Likely

    High: 53 °F

  • Sunday
    Night

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

    Slight Chance
    Showers then
    Partly Cloudy

    Low: 40 °F

  • M.L.King
    Day

    M.L.King Day: Mostly sunny, with a high near 52.

    Mostly Sunny

    High: 52 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 41.

    Mostly Clear

    Low: 41 °F

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    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.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 58.
Click Map For Forecast
Point Forecast:
4 Miles WSW Lake Berryessa CA
 38.56°N 122.3°W (Elev. 1604 ft)
1:55 am PST Jan 18, 2019
6am PST Jan 18, 2019-6pm PST Jan 24, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database