
Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.
Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >
Hazardous Weather Conditions
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.
Clear
53°F
12°C
| Humidity | 56% |
| Wind Speed | E 6 MPH |
| Barometer | 30.05 in (1017.61 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 20 Feb 03:54 PM PST |
Extended Forecast for
4 Miles N Sonoma CA
Cold Weather Advisory February 21, 01:00am until February 21, 09:00am
Tonight

Low: 38 °F
Partly Cloudy
Saturday
High: 49 °F
Partly Sunny
then Slight
Chance RainSaturday Night

Low: 45 °F
Chance Rain
Sunday

High: 54 °F
Chance Rain
Sunday Night

Low: 49 °F
Chance Rain
Monday

High: 57 °F
Chance Rain
Monday Night

Low: 54 °F
Rain
Tuesday

High: 58 °F
Rain
Tuesday Night

Low: 53 °F
Rain Likely
Detailed Forecast
Tonight
Partly cloudy, with a low around 38. East southeast wind 5 to 8 mph.
Saturday
A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 49. East southeast wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Saturday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 45. South southeast wind 14 to 16 mph, with gusts as high as 29 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 54. South wind 11 to 16 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 49. South wind around 7 mph becoming northeast after midnight.
Monday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 57. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain, mainly after 10pm. Low around 54. Chance of precipitation is 80%.
Tuesday
Rain. Cloudy, with a high near 58.
Tuesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 53.
Wednesday
A chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 52.
Thursday
A chance of rain. Partly sunny, with a high near 60.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 52.
Friday
A slight chance of rain. Mostly sunny, with a high near 63.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles N Sonoma CA
38.36°N 122.45°W (Elev. 1818 ft)
38.36°N 122.45°W (Elev. 1818 ft)
2:25 pm PST Feb 20, 2026
4pm PST Feb 20, 2026-6pm PST Feb 27, 2026



