Marginal Risks of Severe Storms on the Central Plains; Flash flooding on the Northern Plains; Frost & Freeze Warnings in portions of the West & Northeast

A storm system developing across the Plains may cause locally severe weather in western Kansas and southwestern Nebraska today, with isolated flash flooding possible in portions of eastern Montana and western North Dakota. Frost and Freeze Warnings are in effect for portions of the central Rockies and central Appalachians tonight into Friday morning. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

67°F

19°C

Humidity 58%
Wind Speed SW 8 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 16 Oct 02:54 PM PDT
Extended Forecast for

2 Miles SSW Lake Berryessa CA

  • Tonight

    Tonight: Mostly clear, with a low around 53. Calm wind becoming north northwest 5 to 9 mph in the evening.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. North wind 5 to 9 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55. West southwest wind 5 to 7 mph becoming calm.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 70. North wind around 5 mph becoming light and variable  in the afternoon.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. Calm wind.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Calm wind becoming north northwest 5 to 9 mph in the evening.
Friday
Sunny, with a high near 69. North wind 5 to 9 mph.
Friday Night
Clear, with a low around 55. West southwest wind 5 to 7 mph becoming calm.
Saturday
Sunny, with a high near 70. North wind around 5 mph becoming light and variable in the afternoon.
Saturday Night
Clear, with a low around 57. Calm wind.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lake Berryessa CA
 38.54°N 122.26°W (Elev. 1824 ft)
1:26 pm PDT Oct 16, 2025
3pm PDT Oct 16, 2025-6pm PDT Oct 23, 2025
 
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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