National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Texas Severe Thunderstorms; Central Rockies Snow; Fire Weather in the West

Isolated severe thunderstorms capable of producing large to very large hail and severe wind gusts may occur Monday across parts of south-central Texas. Elevated to critical fire weather conditions are forecast across parts of northern California and the Southwest again Monday. Heavy snow is forecast over parts of the central Rockies from Monday afternoon into Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33ft.

Clear

63°F

17°C

Humidity 59%
Wind Speed S 5 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 09 May 09:35 PM PDT
Extended Forecast for

4 Miles W Lake Berryessa CA

Red Flag Warning until May 11, 06:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until May 11, 06:00pm

    NOW until
    6:00pm Tue

    Red Flag Warning

  • Tonight

    Tonight: Clear, with a low around 60. North northwest wind 3 to 8 mph. Winds could gust as high as 30 mph.

    Clear

    Low: 60 °F

  • Monday

    Monday: Sunny, with a high near 87. North wind 8 to 13 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 32 mph.

    Sunny

    High: 87 °F

  • Monday
    Night

    Monday Night: Clear, with a low around 59. North wind 6 to 11 mph becoming light north northwest. Winds could gust as high as 29 mph.

    Clear

    Low: 59 °F

  • Tuesday

    Tuesday: Sunny, with a high near 89. North wind 7 to 10 mph.

    Sunny

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: Clear, with a low around 54. West wind 5 to 8 mph becoming calm in the evening.

    Clear

    Low: 54 °F

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    Sunny

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 50.

    Mostly Clear

    Low: 50 °F

  • Thursday

    Thursday: Sunny, with a high near 84.

    Sunny

    High: 84 °F

Detailed Forecast

Tonight
Clear, with a low around 60. North northwest wind 3 to 8 mph. Winds could gust as high as 30 mph.
Monday
Sunny, with a high near 87. North wind 8 to 13 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 32 mph.
Monday Night
Clear, with a low around 59. North wind 6 to 11 mph becoming light north northwest. Winds could gust as high as 29 mph.
Tuesday
Sunny, with a high near 89. North wind 7 to 10 mph.
Tuesday Night
Clear, with a low around 54. West wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 84.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 78.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
4 Miles W Lake Berryessa CA
 38.58°N 122.33°W (Elev. 1138 ft)
Last Update:
3:01 pm PDT May 9, 2021
Forecast Valid:
10pm PDT May 9, 2021-6pm PDT May 16, 2021
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation