Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.38033°NLon: 122.82367°WElev: 235.3ft.

NA

52°F

11°C

Humidity 99%
Wind Speed SSE 1 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 05 Sep 04:24 AM PDT
Extended Forecast for

8 Miles SSW Saint Helena CA

  • Today

    Today: Areas of fog before 10am.  Otherwise, sunny, with a high near 77. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 77 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 47. Light west wind.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 10am.  Otherwise, sunny, with a high near 77. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 77 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 48. West southwest wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 48 °F

    Clear then
    Patchy Fog

  • Labor Day

    Labor Day: Areas of fog before 8am.  Otherwise, sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain.  Partly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, sunny, with a high near 77. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tonight
Patchy fog after midnight. Otherwise, mostly clear, with a low around 47. Light west wind.
Sunday
Areas of fog before 10am. Otherwise, sunny, with a high near 77. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 48. West southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Labor Day
Areas of fog before 8am. Otherwise, sunny, with a high near 87. Light and variable wind.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A slight chance of rain. Partly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Friday
A slight chance of rain. Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Saint Helena CA
 38.41°N 122.55°W (Elev. 492 ft)
1:26 am PDT Sep 5, 2026
4am PDT Sep 5, 2026-6pm PDT Sep 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database