Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

rain,mist

55°F

13°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 54°F (12°C)
Visibility 1.00 mi
Last update 01 Jan 03:38 PM PST
Extended Forecast for

2 Miles W Guerneville CA

Coastal Flood Advisory January 1, 03:51pm until January 4, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 1, 03:51pm until January 4, 02:00pm

    NOW until 2:00pm Sun

    Coastal Flood Advisory

  • New Year's Day

    High: 54 °F

    Rain Likely

  • Tonight

    Tonight: Rain, mainly before midnight.  Low around 51. South wind 6 to 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain then
    Chance Rain

  • Friday

    Friday: Rain, mainly after 4pm.  High near 54. Southeast wind 8 to 14 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Chance Rain
    then Rain

  • Friday Night

    Friday Night: Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then rain after 1am.  Low around 52. South wind 14 to 16 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: Rain before 4pm, then showers and possibly a thunderstorm after 4pm.  High near 55. South wind 11 to 17 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 1am, then showers and possibly a thunderstorm after 1am.  Low around 51. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: Rain.  High near 52. Chance of precipitation is 90%.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Cloudy, with a low around 46.

    Low: 46 °F

    Rain

Detailed Forecast

New Year's Day
Rain likely, mainly after 5pm. Cloudy, with a high near 54. South wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before midnight. Low around 51. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly after 4pm. High near 54. Southeast wind 8 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 52. South wind 14 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 55. South wind 11 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 51. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Rain. High near 52. Chance of precipitation is 90%.
Sunday Night
Rain. Cloudy, with a low around 46.
Monday
Rain. Mostly cloudy, with a high near 52.
Monday Night
Rain likely, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 43.
Tuesday
A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 54.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 54.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Guerneville CA
 38.51°N 123.04°W (Elev. 558 ft)
12:32 pm PST Jan 1, 2026
3pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
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Additional Resources

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