Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

rain,mist

59°F

15°C

Humidity 89%
Wind Speed S 5 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 56°F (13°C)
Visibility 2.50 mi
Last update 10 Oct 05:53 PM PDT
Extended Forecast for

Santa Rosa CA

  • Tonight

    Tonight: A 40 percent chance of showers before 11pm.  Patchy fog after 4am.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 48. West southwest wind 5 to 8 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 7am.  Otherwise, sunny, with a high near 71. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 45. West northwest wind 3 to 7 mph.

    Low: 45 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 73. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. West wind 6 to 8 mph.

    Low: 46 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: A 50 percent chance of rain after 11am.  Partly sunny, with a high near 67. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Chance Rain

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 11pm, then rain likely after 11pm.  Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Tuesday

    Tuesday: Rain likely.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm.  Patchy fog after 8pm.  Otherwise, mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain Likely
    and Patchy
    Fog

Detailed Forecast

Tonight
A 40 percent chance of showers before 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 48. West southwest wind 5 to 8 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 71. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Clear, with a low around 45. West northwest wind 3 to 7 mph.
Sunday
Sunny, with a high near 73. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 46. West wind 6 to 8 mph.
Columbus Day
A 50 percent chance of rain after 11am. Partly sunny, with a high near 67. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 11pm, then rain likely after 11pm. Low around 50. Chance of precipitation is 80%.
Tuesday
Rain likely. Mostly cloudy, with a high near 62.
Tuesday Night
Rain likely, mainly before 11pm. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Areas of fog before 11am. Otherwise, partly sunny, with a high near 68.
Wednesday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 48.
Thursday
Areas of fog. Otherwise, mostly sunny, with a high near 68.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 48.
Friday
Areas of fog. Otherwise, mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.43°N 122.67°W (Elev. 213 ft)
1:26 pm PDT Oct 10, 2025
6pm PDT Oct 10, 2025-6pm PDT Oct 17, 2025
 
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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