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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

57°F

14°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 15 Nov 09:55 AM PST
Extended Forecast for

Angwin CA

  • Today

    Today: A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 66. North wind around 6 mph becoming west southwest in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Mostly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: Rain, mainly after 10pm. Low around 50. South southwest wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain

  • Sunday

    Sunday: Rain. High near 54. South southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 48. South wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 52. East wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 44. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of rain after 4pm. Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 66. North wind around 6 mph becoming west southwest in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 10pm. Low around 50. South southwest wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 54. South southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 48. South wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 52. East wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 44. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
A chance of rain after 4pm. Mostly sunny, with a high near 55.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 46.
Thursday
Rain likely. Mostly cloudy, with a high near 51.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46.
Friday
A slight chance of rain. Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Angwin CA
 38.59°N 122.42°W (Elev. 1450 ft)
Last Update:
2:52 am PST Nov 15, 2025
Forecast Valid:
10am PST Nov 15, 2025-6pm PST Nov 21, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation