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.

Mostly Cloudy

54°F

12°C

Humidity 66%
Wind Speed S 10 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Feb 05:35 PM PST
Extended Forecast for

Santa Rosa CA

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 46. Southeast wind 5 to 7 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain likely before 3pm, then a slight chance of rain after 4pm. Mostly cloudy, with a high near 59. South southeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain Likely
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Patchy Fog

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Chance Rain
    and Areas Fog

  • Monday Night

    Monday Night: Rain, mainly after 10pm. Patchy fog after 11pm. Low around 52. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain. High near 59. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 59 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm. Patchy fog after 10pm. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Rain and
    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of rain, mainly before 10am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain
    and Areas Fog

  • Wednesday Night

    Wednesday Night: A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 46. Southeast wind 5 to 7 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely before 3pm, then a slight chance of rain after 4pm. Mostly cloudy, with a high near 59. South southeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 47. Calm wind.
Monday
A 30 percent chance of rain, mainly after 4pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 66. Light and variable wind.
Monday Night
Rain, mainly after 10pm. Patchy fog after 11pm. Low around 52. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain. High near 59. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
Rain, mainly before 10pm. Patchy fog after 10pm. Low around 52. Chance of precipitation is 80%.
Wednesday
A chance of rain, mainly before 10am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 66.
Wednesday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 48.
Thursday
A slight chance of rain. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 68.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 48.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 70.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.7°W (Elev. 190 ft)
Last Update:
12:26 pm PST Feb 21, 2026
Forecast Valid:
5pm 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