Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

54°F

12°C

Humidity 46%
Wind Speed N 9 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 03 Dec 08:00 AM PST
Extended Forecast for

3 Miles N Hercules CA

  • Today

    Today: Mostly sunny, with a high near 62. North northeast wind 7 to 9 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 41. East southeast wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56. East wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. East wind around 6 mph becoming light and variable  in the afternoon.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. North northeast wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 41. East southeast wind 5 to 10 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 56. East wind 10 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 44. Calm wind.
Friday
Sunny, with a high near 61. East wind around 6 mph becoming light and variable in the afternoon.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Hercules CA
 38.05°N 122.25°W (Elev. 56 ft)
12:39 am PST Dec 3, 2025
8am PST Dec 3, 2025-6pm PST Dec 9, 2025
 
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