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

Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

81°F

27°C

Humidity 39%
Wind Speed SSE 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 54°F (12°C)
Visibility NA
Heat Index81°F (27°C)
Last update 27 Mar 02:23 PM PDT
Extended Forecast for

6 Miles SSW Saint Helena CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 78. North wind around 6 mph becoming west.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 54. West wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Northwest wind 3 to 5 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of rain. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain, mainly after 11am. Partly sunny, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 78. North wind around 6 mph becoming west.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 54. West wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 56. Northwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 78. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Mostly cloudy, with a high near 68.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 60.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
Rain likely. Mostly cloudy, with a high near 58.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Saint Helena CA
 38.42°N 122.49°W (Elev. 1627 ft)
Last Update:
1:31 pm PDT Mar 27, 2026
Forecast Valid:
2pm PDT Mar 27, 2026-6pm PDT Apr 2, 2026
 
Forecast Discussion
 
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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