Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

rain,mist

57°F

14°C

Humidity 93%
Wind Speed SSW 14 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 55°F (13°C)
Visibility 4.00 mi
Last update 31 Mar 03:20 PM PDT
Extended Forecast for

7 Miles S Lake Berryessa CA

  • This Afternoon

    This Afternoon: A 40 percent chance of rain.  Partly sunny, with a high near 64. South southwest wind around 16 mph.

    High: 64 °F

    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 4am.  Mostly cloudy, with a low around 50. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 9am.  Mostly cloudy, with a high near 58. South southwest wind 11 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain.  Low around 42. West wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 36 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Thursday

    Thursday: Sunny, with a high near 64. West wind 8 to 10 mph becoming north northeast in the morning. Winds could gust as high as 21 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Partly sunny, with a high near 64. South southwest wind around 16 mph.
Tonight
A 30 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 50. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly after 9am. Mostly cloudy, with a high near 58. South southwest wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 42. West wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Sunny, with a high near 64. West wind 8 to 10 mph becoming north northeast in the morning. Winds could gust as high as 21 mph.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 50.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Lake Berryessa CA
 38.48°N 122.25°W (Elev. 1198 ft)
1:31 pm PDT Mar 31, 2026
3pm PDT Mar 31, 2026-6pm PDT Apr 7, 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