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

43°F

6°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 13 Mar 05:54 AM PDT
Extended Forecast for

Sonoma CA

  • Today

    Today: Mostly sunny, with a high near 75. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 47. Light west northwest wind.

    Low: 47 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. West wind around 6 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Light north wind.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 75. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 47. Light west northwest wind.
Saturday
Sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 50. West wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 84. Light north wind.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
1:26 am PDT Mar 13, 2026
6am 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