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 >

Hazardous Weather Conditions

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

37°F

3°C

Humidity 93%
Wind Speed W 3 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 21 Feb 08:20 AM PST
Extended Forecast for

Santa Rosa CA

Cold Weather Advisory February 21, 08:38am until February 21, 09:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory February 21, 08:38am until February 21, 09:00am

    NOW until 9:00am Sat

    Cold Weather Advisory

  • Today

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 45. Southeast wind around 7 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A 50 percent chance of rain. Mostly cloudy, with a high near 59. Southeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 63. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain
    and Areas Fog

  • Monday Night

    Monday Night: Rain, mainly after 10pm. Patchy fog after 11pm. Low around 51. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain. High near 59. Chance of precipitation is 90%.

    High: 59 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 48.

    Low: 48 °F

    Rain Likely
    and Patchy
    Fog

Detailed Forecast

Today
Partly sunny, with a high near 55. Light east wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 22 mph.
Tonight
A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 45. Southeast wind around 7 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 59. Southeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 20 percent chance of rain before 4am. Patchy fog after 10pm. 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, mostly cloudy, with a high near 63. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain, mainly after 10pm. Patchy fog after 11pm. Low around 51. 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%.
Tuesday Night
Rain likely, mainly before 10pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 48.
Wednesday
A chance of rain. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 64.
Wednesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Thursday
A chance of rain. Areas of fog. Otherwise, partly sunny, with a high near 66.
Thursday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 47.
Friday
Patchy fog. Otherwise, partly sunny, with a high near 70.
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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:
7:14 am PST Feb 21, 2026
Forecast Valid:
8am PST Feb 21, 2026-6pm PST Feb 27, 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