Flash Flood Threats in the Northeast and Southeast; Excessive Heat in the Southwest

Heavy rain will lead to isolated flash flooding threats along coastal New England, and Florida today. Excessive heat will continue to impact the Southwest. Dry, gusty winds, and possible dry lightning will contribute to a critical fire weather threat today across the Interior Northwest. Scattered storms, some severe, are expected Saturday from the northern Plains toward the upper MS Valley. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

72°F

22°C

Humidity 60%
Wind Speed SSW 17 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 05 Aug 02:35 PM PDT
Extended Forecast for

4 Miles WSW Lake Berryessa CA

  • Tonight

    Tonight: Widespread haze. Clear, with a low around 63. West southwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 18 mph.

    Haze

    Low: 63 °F

  • Friday

    Friday: Patchy smoke. Sunny, with a high near 91. North northwest wind 5 to 9 mph becoming calm.

    Patchy Smoke

    High: 91 °F

  • Friday
    Night

    Friday Night: Widespread haze between 10pm and 11pm. Patchy smoke before 10pm, then patchy smoke after 11pm. Clear, with a low around 65. West southwest wind 8 to 13 mph becoming light west  after midnight. Winds could gust as high as 20 mph.

    Haze then
    Patchy Smoke

    Low: 65 °F

  • Saturday

    Saturday: Sunny, with a high near 88. Light west wind becoming southwest 6 to 11 mph in the afternoon.

    Sunny

    High: 88 °F

  • Saturday
    Night

    Saturday Night: Clear, with a low around 59. Southwest wind 7 to 14 mph, with gusts as high as 20 mph.

    Clear

    Low: 59 °F

  • Sunday

    Sunday: Sunny, with a high near 82.

    Sunny

    High: 82 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 56.

    Clear

    Low: 56 °F

  • Monday

    Monday: Sunny, with a high near 82.

    Sunny

    High: 82 °F

  • Monday
    Night

    Monday Night: Clear, with a low around 57.

    Clear

    Low: 57 °F

Detailed Forecast

Tonight
Widespread haze. Clear, with a low around 63. West southwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 18 mph.
Friday
Patchy smoke. Sunny, with a high near 91. North northwest wind 5 to 9 mph becoming calm.
Friday Night
Widespread haze between 10pm and 11pm. Patchy smoke before 10pm, then patchy smoke after 11pm. Clear, with a low around 65. West southwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 88. Light west wind becoming southwest 6 to 11 mph in the afternoon.
Saturday Night
Clear, with a low around 59. Southwest wind 7 to 14 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 82.
Sunday Night
Clear, with a low around 56.
Monday
Sunny, with a high near 82.
Monday Night
Clear, with a low around 57.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 89.
Click Map For Forecast
Point Forecast:
4 Miles WSW Lake Berryessa CA
 38.56°N 122.3°W (Elev. 1604 ft)
3:01 pm PDT Aug 5, 2021
3pm PDT Aug 5, 2021-6pm PDT Aug 12, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database