Blustery and Cold in the Northeast; Heavy Rain in the Southeast

A powerful low in the Northeast is producing strong winds and bitterly cold wind chills. Wintry precipitation may spread across the Great Lakes and into the Northeast ahead of a Canadian cold front. Heavy rain with the potential for local flash flooding will continue in the Southeast as a system moves eastward. Critical fire weather threats possible in the Central Plains due to dry, gusty winds. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

39°F

4°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 30°F (-1°C)
Visibility 9.00 mi
Last update 02 Mar 07:55 AM PST
Extended Forecast for

4 Miles E Saint Helena CA

  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 70. Calm wind.

    Mostly Sunny

    High: 70 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Calm wind.

    Mostly Cloudy

    Low: 42 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    Mostly Sunny

    High: 69 °F

  • Wednesday
    Night

    Wednesday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 38. South southeast wind around 5 mph becoming calm  in the evening.

    Mostly Clear
    then Patchy
    Fog

    Low: 38 °F

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 62. Calm wind becoming south 5 to 7 mph in the afternoon.

    Patchy Fog
    then Sunny

    High: 62 °F

  • Thursday
    Night

    Thursday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 40.

    Mostly Clear
    then Patchy
    Fog

    Low: 40 °F

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, partly sunny, with a high near 64.

    Patchy Fog
    then Partly
    Sunny

    High: 64 °F

  • Friday
    Night

    Friday Night: A chance of rain.  Mostly cloudy, with a low around 42.

    Chance Rain

    Low: 42 °F

  • Saturday

    Saturday: A chance of rain, mainly before 10am.  Partly sunny, with a high near 61.

    Chance Rain

    High: 61 °F

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. Calm wind.
Tonight
Mostly cloudy, with a low around 42. Calm wind.
Wednesday
Mostly sunny, with a high near 69. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Wednesday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 38. South southeast wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 40.
Friday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 64.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42.
Saturday
A chance of rain, mainly before 10am. Partly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 38.
Monday
A chance of rain. Partly sunny, with a high near 58.
Click Map For Forecast
Point Forecast:
4 Miles E Saint Helena CA
 38.5°N 122.4°W (Elev. 476 ft)
1:14 pm PST Mar 2, 2021
1pm PST Mar 2, 2021-6pm PST Mar 8, 2021
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database