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

Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

62°F

17°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 09 Nov 06:53 PM PST
Extended Forecast for

4 Miles NW Angwin CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. North northeast wind 5 to 9 mph becoming light.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. North northeast wind around 5 mph becoming calm.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. North northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 70. Calm wind becoming south southwest around 6 mph in the morning.

    High: 70 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51. West wind 3 to 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly after 4pm. High near 57. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Chance Rain
    then Rain

  • Wednesday Night

    Wednesday Night: Rain. The rain could be heavy at times. Low around 48. Chance of precipitation is 100%.

    Low: 48 °F

    Heavy Rain

  • Thursday

    Thursday: Rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. North northeast wind 5 to 9 mph becoming light.
Monday
Mostly sunny, with a high near 75. North northeast wind around 5 mph becoming calm.
Monday Night
Mostly cloudy, with a low around 56. North northwest wind around 5 mph becoming calm in the evening.
Veterans Day
Partly sunny, with a high near 70. Calm wind becoming south southwest around 6 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 51. West wind 3 to 5 mph.
Wednesday
Rain, mainly after 4pm. High near 57. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. The rain could be heavy at times. Low around 48. Chance of precipitation is 100%.
Thursday
Rain. Mostly cloudy, with a high near 50.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42.
Friday
Rain likely, mainly between 10am and 4pm. Partly sunny, with a high near 49.
Friday Night
A chance of rain. Partly cloudy, with a low around 43.
Saturday
A slight chance of rain. Mostly sunny, with a high near 55.
Saturday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Sunday
A chance of rain. Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Angwin CA
 38.6°N 122.51°W (Elev. 1342 ft)
Last Update:
3:04 pm PST Nov 9, 2025
Forecast Valid:
7pm PST Nov 9, 2025-6pm PST Nov 16, 2025
 
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Additional Resources

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Chance of Precipitation