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.

Fog

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 39°F (4°C)
Visibility 0.25 mi
Last update 19 Jan 05:35 AM PST
Extended Forecast for

8 Miles WSW Petaluma CA

  • M.L.King Day

    M.L.King Day: Patchy dense fog before 10am.  Otherwise, mostly sunny, with a high near 63. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 63 °F

    Patchy Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Patchy fog.  Otherwise, partly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 62. East northeast wind around 6 mph.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 4am, then patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 60. Calm wind becoming east around 5 mph in the afternoon.

    High: 60 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 45.

    Low: 45 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Sunny

Detailed Forecast

M.L.King Day
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Patchy fog. Otherwise, partly cloudy, with a low around 42. Light and variable wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 62. East northeast wind around 6 mph.
Tuesday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 61.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 43.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 59.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Petaluma CA
 38.22°N 122.76°W (Elev. 397 ft)
12:26 am PST Jan 19, 2026
5am PST Jan 19, 2026-6pm PST Jan 25, 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