Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. 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 80%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 13 Mar 09:54 AM PDT
Extended Forecast for

7 Miles SSE Lake Berryessa CA

  • Today

    Today: Mostly sunny, with a high near 76. Light and variable wind.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Light west wind.

    Low: 48 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. North northwest wind 3 to 6 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83. North wind around 8 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. Light and variable wind.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Light west wind.
Saturday
Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 54. North northwest wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 83. North wind around 8 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 87.
Monday Night
Clear, with a low around 59.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Lake Berryessa CA
 38.48°N 122.22°W (Elev. 1798 ft)
1:26 am PDT Mar 13, 2026
10am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
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