Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday
A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.
Clear
57°F
14°C
| Humidity | 87% |
| Wind Speed | N 0 MPH |
| Barometer | 29.89 in (1012.19 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 8.00 mi |
| Last update | 21 May 07:35 AM PDT |
Extended Forecast for
Lake Berryessa CA
Today
High: 87 °F
Sunny
Tonight
Low: 57 °F
Clear
Friday
High: 84 °F
Sunny
Friday Night
Low: 54 °F
Mostly Clear
Saturday
High: 78 °F
Sunny
Saturday Night
Low: 53 °F
Mostly Clear
Sunday
High: 78 °F
Sunny
Sunday Night
Low: 52 °F
Mostly Clear
Memorial Day
High: 76 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tonight
Clear, with a low around 57. West southwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 54. Southwest wind 3 to 8 mph.
Saturday
Sunny, with a high near 78. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 52.
Memorial Day
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 75.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Lake Berryessa CA
38.57°N 122.24°W (Elev. 732 ft)
38.57°N 122.24°W (Elev. 732 ft)
1:25 am PDT May 21, 2026
7am PDT May 21, 2026-6pm PDT May 27, 2026
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