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.

Rain

48°F

9°C

Humidity 81%
Wind Speed SSW 8 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Wind Chill44°F (7°C)
Last update 18 Feb 01:35 PM PST
Extended Forecast for

Sonoma CA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain before 3pm.  Mostly sunny, with a high near 50. West wind 6 to 8 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain, mainly after 8pm.  Low around 36. Light south southeast wind becoming east southeast 5 to 10 mph after midnight.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before 2pm.  Mostly cloudy, then gradually becoming sunny, with a high near 50. Northwest wind 11 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain Likely
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 4am.  Otherwise, mostly clear, with a low around 30. Northwest wind 6 to 10 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Mostly Clear
    then Frost

  • Friday

    Friday: Patchy fog before 9am. Widespread frost, mainly before 8am.  Otherwise, partly sunny, with a high near 50. Light east southeast wind.

    High: 50 °F

    Frost and
    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 10pm.  Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 10am.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm.  Cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely

  • Sunday

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

    High: 56 °F

    Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain before 3pm. Mostly sunny, with a high near 50. West wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 8pm. Low around 36. Light south southeast wind becoming east southeast 5 to 10 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain likely, mainly before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 50. Northwest wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 30. Northwest wind 6 to 10 mph, with gusts as high as 24 mph.
Friday
Patchy fog before 9am. Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 50. Light east southeast wind.
Friday Night
A 20 percent chance of rain after 10pm. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 34.
Saturday
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 53.
Saturday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 45.
Sunday
Rain. Cloudy, with a high near 56.
Sunday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 50.
Monday
Rain. Cloudy, with a high near 58.
Monday Night
Rain. Cloudy, with a low around 48.
Tuesday
Rain. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
12:26 pm PST Feb 18, 2026
1pm 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