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Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.3803°NLon: 122.8242°WElev: 230.0ft.

NA

42°F

6°C

Humidity 99%
Wind Speed SSE 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 13 Jan 02:09 AM PST
Extended Forecast for

Cotati CA

Cold Weather Advisory until January 13, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 13, 09:00am

    NOW until 9:00am Tue

    Cold Weather Advisory

  • Overnight

    Low: 36 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, sunny, with a high near 63. Light east wind.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, sunny, with a high near 63. Calm wind.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between 9pm and 11pm. Otherwise, mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Overnight
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 36. Calm wind.
Tuesday
Patchy fog before 7am. Otherwise, sunny, with a high near 63. Light east wind.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 39. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, sunny, with a high near 63. Calm wind.
Wednesday Night
Patchy fog between 9pm and 11pm. Otherwise, mostly clear, with a low around 41. Calm wind.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
M.L.King Day
Patchy fog. Otherwise, mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cotati CA
 38.34°N 122.7°W (Elev. 98 ft)
Last Update:
12:26 am PST Jan 13, 2026
Forecast Valid:
2am PST Jan 13, 2026-6pm PST Jan 19, 2026
 
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