Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Clear

50°F

10°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Last update 31 Jan 10:35 PM PST
Extended Forecast for

3 Miles SW Petaluma CA

Coastal Flood Advisory January 31, 10:49pm until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 31, 10:49pm until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 43 °F

    Patchy Dense
    Fog

  • Sunday

    Sunday: Widespread fog, mainly before 7am.  Otherwise, partly sunny, with a high near 62. Light west northwest wind becoming west 9 to 14 mph in the morning.

    High: 62 °F

    Fog then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. West wind around 8 mph, with gusts as high as 18 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65. West wind around 6 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog before 2am, then patchy fog after 3am.  Otherwise, mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 7am.  Otherwise, sunny, with a high near 66.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 10pm and 1am.  Otherwise, mostly clear, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Sunday
Widespread fog, mainly before 7am. Otherwise, partly sunny, with a high near 62. Light west northwest wind becoming west 9 to 14 mph in the morning.
Sunday Night
Partly cloudy, with a low around 42. West wind around 8 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 65. West wind around 6 mph.
Monday Night
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 43. Calm wind.
Tuesday
Patchy fog before 7am. Otherwise, sunny, with a high near 66.
Tuesday Night
Patchy fog between 10pm and 1am. Otherwise, mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 65.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 46.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Petaluma CA
 38.21°N 122.67°W (Elev. 341 ft)
8:12 pm PST Jan 31, 2026
10pm PST Jan 31, 2026-6pm PST Feb 7, 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