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 82%
Wind Speed SSW 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Nov 06:20 PM PST
Extended Forecast for

Monte Rio CA

  • Tonight

    Tonight: Patchy fog between 11pm and midnight. Otherwise, partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Patchy Fog
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 52. Light west northwest wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, then showers and possibly a thunderstorm after 4pm. High near 59. South wind 3 to 8 mph. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 49. South southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers

  • Monday

    Monday: A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 58. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Tuesday Night

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

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog between 11pm and midnight. Otherwise, partly cloudy, with a low around 49. Calm wind.
Saturday
Partly sunny, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 52. Light west northwest wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, then showers and possibly a thunderstorm after 4pm. High near 59. South wind 3 to 8 mph. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 49. South southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 58. 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.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Thursday
A chance of rain. Partly sunny, with a high near 57.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 47.
Friday
A slight chance of rain. Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monte Rio CA
 38.47°N 123°W (Elev. 525 ft)
Last Update:
12:26 pm PST Nov 14, 2025
Forecast Valid:
6pm PST Nov 14, 2025-6pm PST Nov 21, 2025
 
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