Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

55°F

13°C

Humidity 87%
Wind Speed W 8 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 52°F (11°C)
Visibility 8.00 mi
Last update 22 Jun 03:20 AM PDT
Extended Forecast for

2 Miles NNE Lake Berryessa CA

  • Overnight

    Overnight: Clear, with a steady temperature around 61. Calm wind.

    Low: 61 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58. West southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58. Southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a steady temperature around 61. Calm wind.
Monday
Sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 58. West southwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 58. Southwest wind 5 to 7 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 80.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Lake Berryessa CA
 38.6°N 122.22°W (Elev. 440 ft)
1:26 am PDT Jun 22, 2026
3am PDT Jun 22, 2026-6pm PDT Jun 28, 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