Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

55°F

13°C

Humidity 85%
Wind Speed SSE 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 51°F (11°C)
Visibility NA
Last update 17 Mar 03:07 AM PDT
Extended Forecast for

6 Miles SSW Saint Helena CA

Heat Advisory March 17, 03:27am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 03:27am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 68 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. North northeast wind around 5 mph becoming light and variable  in the morning.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. North northeast wind around 5 mph becoming light and variable  in the morning.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 64. Light and variable wind.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a steady temperature around 68. Light north northeast wind.
Tuesday
Sunny, with a high near 86. North northeast wind around 5 mph becoming light and variable in the morning.
Tuesday Night
Clear, with a low around 63. Light and variable wind.
Wednesday
Sunny, with a high near 86. North northeast wind around 5 mph becoming light and variable in the morning.
Wednesday Night
Clear, with a low around 64. Light and variable wind.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Saint Helena CA
 38.42°N 122.49°W (Elev. 1627 ft)
1:54 am PDT Mar 17, 2026
3am PDT Mar 17, 2026-6pm PDT Mar 23, 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