National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Novato / Gnoss Field (KDVO)

Lat: 38.14178°NLon: 122.55463°WElev: 3.0ft.

Rain

41°F

5°C

Humidity 86%
Wind Speed W 12 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 37°F (3°C)
Visibility 2.00 mi
Wind Chill34°F (1°C)
Last update 17 Feb 08:15 PM PST
Extended Forecast for

Sonoma CA

Cold Weather Advisory February 18, 12:00am until February 18, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: A chance of rain before 2am, then a chance of rain after 3am. Areas of fog before 3am, then patchy fog after 4am. Patchy frost between 2am and 3am. Otherwise, mostly cloudy, with a low around 32. Northwest wind 9 to 14 mph becoming light and variable after midnight. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Chance Rain
    and Areas Fog

  • Wednesday

    Wednesday: A 30 percent chance of rain between noon and 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 51. Calm wind becoming west 5 to 8 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain, mainly after 9pm. Low around 36. East southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain

  • Thursday

    Thursday: Rain, mainly before 10am. High near 49. Breezy, with a northwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Breezy. Rain
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm. Widespread frost after 4am. Otherwise, mostly clear, with a low around 28. Northwest wind 8 to 16 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Slight Chance
    Rain then
    Frost

  • Friday

    Friday: A 30 percent chance of rain, mainly between 10am and 4pm. Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly between 10pm and 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 52.

    High: 52 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Rain

Detailed Forecast

Tonight
A chance of rain before 2am, then a chance of rain after 3am. Areas of fog before 3am, then patchy fog after 4am. Patchy frost between 2am and 3am. Otherwise, mostly cloudy, with a low around 32. Northwest wind 9 to 14 mph becoming light and variable after midnight. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of rain between noon and 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 51. Calm wind becoming west 5 to 8 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain, mainly after 9pm. Low around 36. East southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain, mainly before 10am. High near 49. Breezy, with a northwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 20 percent chance of rain before 10pm. Widespread frost after 4am. Otherwise, mostly clear, with a low around 28. Northwest wind 8 to 16 mph, with gusts as high as 21 mph.
Friday
A 30 percent chance of rain, mainly between 10am and 4pm. Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 50.
Friday Night
A 30 percent chance of rain, mainly between 10pm and 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 33.
Saturday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 52.
Saturday Night
Rain. Mostly cloudy, with a low around 44.
Sunday
Rain. Cloudy, with a high near 56.
Sunday Night
Rain. Cloudy, with a low around 48.
Monday
Rain. Cloudy, with a high near 58.
Monday Night
Rain. Cloudy, with a low around 46.
Tuesday
Rain. Cloudy, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.3°N 122.49°W (Elev. 108 ft)
Last Update:
2:05 pm PST Feb 17, 2026
Forecast Valid:
8pm PST Feb 17, 2026-6pm PST Feb 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation