Atmospheric River in California; Fire Weather Concerns in the Central Plains

An atmospheric river will continue to bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California through Saturday. Dry, gusty winds will bring elevated fire weather conditions to parts of the central and southern High Plains Friday. Red Flag Warnings have been issued. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

53°F

12°C

Humidity 99%
Wind Speed SW 2 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 14 Nov 02:37 AM PST
Extended Forecast for

8 Miles SSW Saint Helena CA

  • Overnight

    Overnight: A 20 percent chance of rain before 4am.  Areas of fog.  Otherwise, mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Slight Chance
    Rain and
    Areas Fog

  • Friday

    Friday: A 20 percent chance of rain after 10am.  Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 62. Calm wind becoming southeast around 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: Patchy fog between 10pm and 3am.  Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain.  Cloudy, with a low around 50. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, then showers and possibly a thunderstorm after 4pm.  High near 59. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 10pm, then rain after 10pm.  Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Monday

    Monday: A chance of rain, mainly before 4pm.  Partly sunny, with a high near 56.

    High: 56 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm.  Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain then
    Patchy Fog

Detailed Forecast

Overnight
A 20 percent chance of rain before 4am. Areas of fog. Otherwise, mostly cloudy, with a low around 50. Calm wind.
Friday
A 20 percent chance of rain after 10am. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming southeast around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Patchy fog between 10pm and 3am. Otherwise, partly cloudy, with a low around 47. Calm wind.
Saturday
Partly sunny, with a high near 66. Light and variable wind.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 50. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, then showers and possibly a thunderstorm after 4pm. High near 59. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Low around 48. Chance of precipitation is 80%.
Monday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 56.
Monday Night
A slight chance of rain before 10pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 42.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 60.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 60.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Partly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Saint Helena CA
 38.41°N 122.55°W (Elev. 492 ft)
2:03 am PST Nov 14, 2025
2am PST Nov 14, 2025-6pm PST Nov 20, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database