Wintry Weather Across Wide Swaths of the Country; Heavy Rain in the Mid South

A developing storm will bring wintry conditions from the Midwest to the Mid-Atlantic, including into the National Capital Region; and heavy rain that may cause flash flooding across the Mid-South. In the West, another storm will slide south along the coast with low elevation snow, and 1 to 2 feet in the mountains. Heavy rain may also cause flash floods on the western Hawaiian Islands. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Fair

56°F

13°C

Humidity 37%
Wind Speed WSW 8 MPH
Barometer 30.20 in (1021.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 19 Feb 12:54 pm PST
Extended Forecast for

4 Miles E Saint Helena CA

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 56. Light south southwest wind.

    Sunny

    High: 56 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Light and variable wind becoming northwest 5 to 9 mph after midnight.

    Partly Cloudy

    Low: 34 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly between 10am and 4pm.  Partly sunny, with a high near 54. West northwest wind 11 to 21 mph, with gusts as high as 28 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 54 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers before 10pm.  Partly cloudy, with a low around 32. North wind around 7 mph.

    Slight Chance
    Showers then
    Mostly Clear

    Low: 32 °F

  • Thursday

    Thursday: Sunny, with a high near 55. Breezy, with a north wind 22 to 28 mph, with gusts as high as 36 mph.

    Sunny and
    Breezy

    High: 55 °F

  • Thursday
    Night

    Thursday Night: Clear, with a low around 32.

    Clear

    Low: 32 °F

  • Friday

    Friday: Sunny, with a high near 56.

    Sunny

    High: 56 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 33.

    Partly Cloudy

    Low: 33 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 55.

    Mostly Sunny

    High: 55 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 56. Light south southwest wind.
Tonight
Partly cloudy, with a low around 34. Light and variable wind becoming northwest 5 to 9 mph after midnight.
Wednesday
A 30 percent chance of showers, mainly between 10am and 4pm. Partly sunny, with a high near 54. West northwest wind 11 to 21 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 32. North wind around 7 mph.
Thursday
Sunny, with a high near 55. Breezy, with a north wind 22 to 28 mph, with gusts as high as 36 mph.
Thursday Night
Clear, with a low around 32.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 41.
Sunday
A chance of showers. Partly sunny, with a high near 55.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 40.
Monday
A slight chance of showers. Partly sunny, with a high near 54.
Click Map For Forecast
Point Forecast:
4 Miles E Saint Helena CA
 38.5°N 122.4°W (Elev. 476 ft)
12:49 pm PST Feb 19, 2019
1pm PST Feb 19, 2019-6pm PST Feb 25, 2019
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database