Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >
Hazardous Weather Conditions
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.
Clear
45°F
7°C
| Humidity | 93% |
| Wind Speed | E 14 MPH |
| Barometer | 30.2 in (1022.69 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 30 Dec 01:20 PM PST |
Extended Forecast for
2 Miles NNW Napa CA
Coastal Flood Advisory December 31, 05:00am until January 4, 02:00pm
This Afternoon
High: 50 °F
Mostly Cloudy
Tonight
Low: 44 °F
Cloudy
Wednesday
High: 51 °F
Chance Rain
Wednesday Night
Low: 48 °F
Rain
New Year's Day
High: 55 °F
Rain
Thursday Night
Low: 52 °F
Rain
Friday
High: 55 °F
Rain
Friday Night
Low: 48 °F
Rain
Saturday
High: 53 °F
Rain
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 50. East northeast wind around 8 mph.
Tonight
Cloudy, with a low around 44. Light and variable wind becoming north northwest around 5 mph.
Wednesday
A 50 percent chance of rain after 10am. Cloudy, with a high near 51. Calm wind becoming east around 5 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 48. Northeast wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
New Year's Day
Rain. High near 55. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 52. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 55. Chance of precipitation is 80%.
Friday Night
Rain. Cloudy, with a low around 48.
Saturday
Rain. Mostly cloudy, with a high near 53.
Saturday Night
Rain likely. Cloudy, with a low around 46.
Sunday
Rain likely. Mostly cloudy, with a high near 52.
Sunday Night
Rain likely. Mostly cloudy, with a low around 45.
Monday
A chance of rain. Mostly cloudy, with a high near 52.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles NNW Napa CA
38.31°N 122.32°W (Elev. 98 ft)
38.31°N 122.32°W (Elev. 98 ft)
12:26 pm PST Dec 30, 2025
1pm PST Dec 30, 2025-6pm PST Jan 5, 2026
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