Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

57°F

14°C

Humidity 67%
Wind Speed WSW 12 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 14 Apr 06:55 PM PDT
Extended Forecast for

3 Miles SSE Lake Berryessa CA

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, increasing clouds, with a low around 42. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. West southwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 21 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Light north northwest wind becoming north 10 to 15 mph in the morning. Winds could gust as high as 29 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. North northwest wind 7 to 11 mph, with gusts as high as 31 mph.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

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

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 42. West southwest wind around 6 mph becoming calm in the evening.
Wednesday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 43. West southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 65. Light north northwest wind becoming north 10 to 15 mph in the morning. Winds could gust as high as 29 mph.
Thursday Night
Clear, with a low around 47. North northwest wind 7 to 11 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
A chance of rain. Partly sunny, with a high near 67.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 47.
Monday
A chance of rain. Partly sunny, with a high near 62.
Monday Night
A chance of rain. Partly cloudy, with a low around 45.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Lake Berryessa CA
 38.53°N 122.23°W (Elev. 991 ft)
2:16 pm PDT Apr 14, 2026
7pm PDT Apr 14, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database