National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

44°F

7°C

Humidity 99%
Wind Speed ESE 1 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 44°F (7°C)
Visibility NA
Last update 07 Dec 09:09 PM PST
Extended Forecast for

Rohnert Park CA

  • Tonight

    Tonight: Widespread dense fog. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Dense Fog

  • Monday

    Monday: Widespread dense fog before 1pm, then patchy dense fog after 5pm. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 50. Calm wind.

    High: 50 °F

    Dense Fog

  • Monday Night

    Monday Night: Widespread fog, mainly after 10pm. Otherwise, increasing clouds, with a low around 43. Calm wind.

    Low: 43 °F

    Fog

  • Tuesday

    Tuesday: Widespread fog before 1pm, then patchy fog after 5pm. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind.

    High: 62 °F

    Fog

  • Tuesday Night

    Tuesday Night: Widespread fog, mainly after 9pm. Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Fog

  • Wednesday

    Wednesday: Widespread fog before noon, then patchy fog after 5pm. Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Fog

  • Wednesday Night

    Wednesday Night: Widespread fog, mainly after 8pm. Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Fog

  • Thursday

    Thursday: Widespread fog before noon, then patchy fog after 5pm. Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Fog

  • Thursday Night

    Thursday Night: Areas of fog. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Areas Fog

Detailed Forecast

Tonight
Widespread dense fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Monday
Widespread dense fog before 1pm, then patchy dense fog after 5pm. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 50. Calm wind.
Monday Night
Widespread fog, mainly after 10pm. Otherwise, increasing clouds, with a low around 43. Calm wind.
Tuesday
Widespread fog before 1pm, then patchy fog after 5pm. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind.
Tuesday Night
Widespread fog, mainly after 9pm. Otherwise, partly cloudy, with a low around 44. Calm wind.
Wednesday
Widespread fog before noon, then patchy fog after 5pm. Otherwise, mostly sunny, with a high near 66.
Wednesday Night
Widespread fog, mainly after 8pm. Otherwise, partly cloudy, with a low around 45.
Thursday
Widespread fog before noon, then patchy fog after 5pm. Otherwise, mostly sunny, with a high near 66.
Thursday Night
Areas of fog. Otherwise, partly cloudy, with a low around 44.
Friday
Widespread fog, mainly before 11am. Otherwise, mostly sunny, with a high near 66.
Friday Night
Areas of fog. Otherwise, partly cloudy, with a low around 44.
Saturday
Widespread fog. Otherwise, mostly sunny, with a high near 65.
Saturday Night
Widespread fog. Otherwise, partly cloudy, with a low around 44.
Sunday
Widespread fog. Otherwise, partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rohnert Park CA
 38.34°N 122.67°W (Elev. 148 ft)
Last Update:
8:31 pm PST Dec 7, 2025
Forecast Valid:
9pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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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