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

64°F

18°C

Humidity 55%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 13 Mar 12:35 PM PDT
Extended Forecast for

7 Miles SSE Lake Berryessa CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming 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 7 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. North wind around 9 mph, with gusts as high as 22 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 74. Light and variable wind.
Tonight
Mostly cloudy, then gradually becoming 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 7 mph.
Sunday
Mostly sunny, with a high near 82. North wind around 9 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Sunny, with a high near 86.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 60.
Thursday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Lake Berryessa CA
 38.48°N 122.22°W (Elev. 1798 ft)
11:28 am PDT Mar 13, 2026
12pm PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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