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

Storm Systems Continue to Impact the Pacific Northwest; Lake Effect Snow Continues

A second Pacific cold front will cross the Pacific Northwest Wednesday followed by another atmospheric river. Each of these features will bring additional periods of gusty winds, mountain snow, and heavy to excessive rainfall with renewed flooding. Heavy lake effect snow continues into Tuesday east of Lakes Erie and Ontario. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

48°F

9°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 45°F (7°C)
Visibility 9.00 mi
Last update 15 Dec 05:35 PM PST
Extended Forecast for

Angwin CA

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 53. Northwest wind around 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm. Partly sunny, with a high near 59. West wind 5 to 9 mph. Chance of precipitation is 60%.

    High: 59 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 54. South southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am. Partly sunny, with a high near 58. West southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 47. Southwest wind around 6 mph.

    Low: 47 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Rain Likely

  • Friday

    Friday: Rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 4am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 53. Northwest wind around 6 mph.
Tuesday
Rain likely, mainly after 4pm. Partly sunny, with a high near 59. West wind 5 to 9 mph. Chance of precipitation is 60%.
Tuesday Night
Rain. Low around 54. South southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 58. West southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 47. Southwest wind around 6 mph.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 56.
Thursday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Friday
Rain. Mostly cloudy, with a high near 55.
Friday Night
Rain, mainly before 4am. Mostly cloudy, with a low around 49.
Saturday
Rain likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 54.
Saturday Night
Rain likely. Mostly cloudy, with a low around 47.
Sunday
Rain likely. Mostly cloudy, with a high near 51.
Sunday Night
Rain likely. Mostly cloudy, with a low around 48.
Monday
Rain likely. Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Angwin CA
 38.58°N 122.45°W (Elev. 1759 ft)
Last Update:
12:27 pm PST Dec 15, 2025
Forecast Valid:
5pm PST Dec 15, 2025-6pm PST Dec 22, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation