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.

Mist

50°F

10°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 48°F (9°C)
Visibility 6.00 mi
Last update 18 Jan 06:35 PM PST
Extended Forecast for

8 Miles SW Petaluma CA

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 63. Light and variable wind becoming east northeast around 5 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 61. East northeast wind around 6 mph.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 1am, then patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 59.

    High: 59 °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 60.

    High: 60 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog.  Otherwise, mostly clear, with a low around 43.

    Low: 43 °F

    Patchy Fog

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. Calm wind.
M.L.King Day
Mostly sunny, with a high near 63. Light and variable wind becoming east northeast around 5 mph in the afternoon.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 61. East northeast wind around 6 mph.
Tuesday Night
Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 59.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 60.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 59.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 58.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Petaluma CA
 38.15°N 122.71°W (Elev. 397 ft)
12:26 pm PST Jan 18, 2026
7pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database