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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Rain

43°F

6°C

Humidity 100%
Wind Speed ESE 5 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 17 Feb 08:00 AM PST
Extended Forecast for

Guerneville CA

Cold Weather Advisory February 18, 12:00am until February 18, 09:00am
Coastal Flood Advisory February 17, 08:20am until February 17, 03:00pm
Click here for hazard details and duration
Cold Weather Advisory
Coastal Flood Advisory
  •  
    Coastal Flood Advisory February 17, 08:20am until February 17, 03:00pm

    NOW until 3:00pm Tue

    Coastal Flood Advisory

  • Today

    High: 50 °F

    Showers

  • Tonight

    Tonight: Rain, mainly before 10pm. Patchy fog after 3am. Low around 35. West northwest wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain. Patchy fog between 7am and 8am. High near 51. West wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain. Low around 39. West southwest wind 5 to 7 mph becoming south southeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Thursday

    Thursday: Rain. High near 50. West northwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Partly cloudy, with a low around 33. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain. Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 50. West southwest wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 10pm. Patchy fog after 3am. Low around 35. West northwest wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. Patchy fog between 7am and 8am. High near 51. West wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 39. West southwest wind 5 to 7 mph becoming south southeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 50. West northwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 40 percent chance of rain. Partly cloudy, with a low around 33. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 53.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40.
Saturday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 54.
Saturday Night
Rain. Cloudy, with a low around 47.
Sunday
Rain. Cloudy, with a high near 56.
Sunday Night
Rain. Cloudy, with a low around 50.
Monday
Rain. Cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
Last Update:
3:53 am PST Feb 17, 2026
Forecast Valid:
8am PST Feb 17, 2026-6pm PST Feb 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation