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

65°F

18°C

Humidity 67%
Wind Speed SSW 8 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 13 Mar 06:54 PM PDT
Extended Forecast for

2 Miles NNE Lake Berryessa CA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 51. West southwest wind around 5 mph becoming light and variable  after midnight.

    Low: 51 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 76. Northwest wind 3 to 5 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Northwest wind 5 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81. North wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. North northwest wind 5 to 7 mph.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 51. West southwest wind around 5 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 76. Northwest wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 57. Northwest wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 81. North wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 60. North northwest wind 5 to 7 mph.
Monday
Sunny, with a high near 86.
Monday Night
Clear, with a low around 62.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Lake Berryessa CA
 38.6°N 122.22°W (Elev. 440 ft)
1:54 pm PDT Mar 13, 2026
7pm PDT Mar 13, 2026-6pm PDT Mar 20, 2026
 
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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