Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

50°F

10°C

Humidity 76%
Wind Speed SW 10 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 18 Feb 12:20 PM PST
Extended Forecast for

4 Miles N Sonoma CA

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly between 2pm and 3pm.  Mostly sunny, with a high near 44. West wind around 10 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after 10pm.  Steady temperature around 40. Southwest wind 7 to 16 mph becoming southeast after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: Rain and snow likely, mainly before noon.  Mostly cloudy, then gradually becoming sunny, with a high near 43. Breezy, with a west northwest wind 16 to 23 mph, with gusts as high as 38 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Breezy.
    Rain/Snow
    Likely then
    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. West northwest wind 9 to 14 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 44. North northeast wind around 6 mph becoming east southeast in the afternoon.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 10pm.  Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm.  Cloudy, with a low around 48.

    Low: 48 °F

    Rain Likely

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 56.

    High: 56 °F

    Rain

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly between 2pm and 3pm. Mostly sunny, with a high near 44. West wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 10pm. Steady temperature around 40. Southwest wind 7 to 16 mph becoming southeast after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain and snow likely, mainly before noon. Mostly cloudy, then gradually becoming sunny, with a high near 43. Breezy, with a west northwest wind 16 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 34. West northwest wind 9 to 14 mph, with gusts as high as 29 mph.
Friday
Partly sunny, with a high near 44. North northeast wind around 6 mph becoming east southeast in the afternoon.
Friday Night
A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 39.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 51.
Saturday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 48.
Sunday
Rain. Cloudy, with a high near 56.
Sunday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 53.
Monday
Rain. Cloudy, with a high near 55.
Monday Night
Rain. Cloudy, with a low around 52.
Tuesday
Rain. Mostly cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Sonoma CA
 38.36°N 122.45°W (Elev. 1818 ft)
12:26 pm PST Feb 18, 2026
12pm PST Feb 18, 2026-6pm PST Feb 24, 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