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

Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Overcast

54°F

12°C

Humidity 66%
Wind Speed SE 13 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Feb 11:00 PM PST
Extended Forecast for

2 Miles NNW Guerneville CA

  • Tonight

    Tonight: Rain, mainly after 3am. Low around 47. Southeast wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain

  • Sunday

    Sunday: Rain likely before 3pm, then a chance of rain after 4pm. Cloudy, with a high near 55. Southeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain Likely
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 9pm. Patchy fog. Otherwise, cloudy, with a low around 50. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm. Patchy dense fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 63 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Monday Night

    Monday Night: Rain, mainly after 10pm. Low around 53. Light south southeast wind. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 53 °F

    Rain

  • Tuesday

    Tuesday: Rain. The rain could be heavy at times. High near 57. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 57 °F

    Heavy Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm. Patchy fog before 2am, then patchy fog after 5am. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Rain then
    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A chance of rain. Patchy fog before 10am. Otherwise, partly sunny, with a high near 64.

    High: 64 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly after 3am. Low around 47. Southeast wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely before 3pm, then a chance of rain after 4pm. Cloudy, with a high near 55. Southeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 30 percent chance of rain, mainly before 9pm. Patchy fog. Otherwise, cloudy, with a low around 50. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of rain, mainly after 4pm. Patchy dense fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Rain, mainly after 10pm. Low around 53. Light south southeast wind. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Rain. The rain could be heavy at times. High near 57. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tuesday Night
Rain, mainly before 10pm. Patchy fog before 2am, then patchy fog after 5am. Low around 53. Chance of precipitation is 80%.
Wednesday
A chance of rain. Patchy fog before 10am. Otherwise, partly sunny, with a high near 64.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A slight chance of rain. Mostly sunny, with a high near 67.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 68.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 52.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Guerneville CA
 38.54°N 123.01°W (Elev. 548 ft)
Last Update:
12:26 pm PST Feb 21, 2026
Forecast Valid:
11pm PST Feb 21, 2026-6pm PST Feb 28, 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