Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Rain

45°F

7°C

Humidity 93%
Wind Speed ESE 4 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 43°F (6°C)
Visibility 7.00 mi
Wind Chill43°F (6°C)
Last update 19 Feb 02:35 AM PST
Extended Forecast for

Guerneville CA

Extreme Cold Warning February 20, 01:00am until February 20, 09:00am
Click here for hazard details and duration
Extreme Cold Warning
  • Overnight

    Overnight: Rain.  Steady temperature around 42. Light east southeast wind.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 9am.  Mostly cloudy, then gradually becoming sunny, with a high near 51. West northwest wind 7 to 11 mph, with gusts as high as 29 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Chance Rain
    then Sunny

  • Thursday Night

    Thursday Night: Patchy frost after 1am.  Otherwise, mostly clear, with a low around 34. Northwest wind 5 to 7 mph becoming calm  after midnight. Winds could gust as high as 18 mph.

    Low: 34 °F

    Clear then
    Patchy Frost

  • Friday

    Friday: Areas of frost before 9am.  Otherwise, partly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Areas Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 10pm.  Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 40 percent chance of rain.  Mostly cloudy, with a high near 54. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain.  Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 58.

    High: 58 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Cloudy, with a low around 52.

    Low: 52 °F

    Rain

Detailed Forecast

Overnight
Rain. Steady temperature around 42. Light east southeast wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 30 percent chance of rain, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 51. West northwest wind 7 to 11 mph, with gusts as high as 29 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Patchy frost after 1am. Otherwise, mostly clear, with a low around 34. Northwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Friday
Areas of frost before 9am. Otherwise, partly sunny, with a high near 52. Light and variable wind.
Friday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 38. Calm wind.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 54. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 48. Chance of precipitation is 80%.
Sunday
Rain. Cloudy, with a high near 58.
Sunday Night
Rain. Cloudy, with a low around 52.
Monday
Rain. Cloudy, with a high near 60.
Monday Night
Rain. Cloudy, with a low around 53.
Tuesday
Rain. Cloudy, with a high near 60.
Tuesday Night
Rain. Mostly cloudy, with a low around 50.
Wednesday
Rain likely. Mostly cloudy, with a high near 61.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
1:27 am PST Feb 19, 2026
2am PST Feb 19, 2026-6pm PST Feb 25, 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