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

Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

67°F

19°C

Humidity 73%
Wind Speed SW 2 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 13 Jul 11:24 AM PDT
Extended Forecast for

8 Miles SW Saint Helena CA

  • Today

    Today: Sunny, with a high near 84. West wind 5 to 7 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 51. West wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 86 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 51. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Areas Fog
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 84. West wind 5 to 7 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 51. West wind around 5 mph becoming calm in the evening.
Monday
Areas of fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming west southwest around 6 mph in the afternoon.
Monday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 51. West southwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tuesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 51.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76.
Wednesday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 51.
Thursday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 78.
Thursday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 50.
Friday
Areas of fog. Otherwise, sunny, with a high near 82.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 51.
Saturday
Areas of fog. Otherwise, sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Saint Helena CA
 38.41°N 122.55°W (Elev. 492 ft)
Last Update:
8:16 am PDT Jul 13, 2025
Forecast Valid:
11am PDT Jul 13, 2025-6pm PDT Jul 19, 2025
 
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Additional Resources

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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