Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

Lat: 38.14178°NLon: 122.55463°WElev: 3.0ft.

Clear

45°F

7°C

Humidity 100%
Wind Speed N 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 19 Jan 10:35 PM PST
Extended Forecast for

8 Miles SW Petaluma CA

  • Tonight

    Tonight: Patchy dense fog.  Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Patchy dense fog before 10am.  Otherwise, partly sunny, with a high near 59. East wind around 6 mph.

    High: 59 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Patchy fog between 10pm and midnight.  Otherwise, mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog
    then Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58. Light northeast wind.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Tuesday
Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 59. East wind around 6 mph.
Tuesday Night
Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Wednesday
Mostly cloudy, with a high near 58. Light northeast wind.
Wednesday Night
Mostly cloudy, with a low around 46. Calm wind.
Thursday
Partly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Petaluma CA
 38.15°N 122.71°W (Elev. 397 ft)
1:15 pm PST Jan 19, 2026
11pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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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