Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

48°F

9°C

Humidity 99%
Wind Speed E 0 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 12 Apr 02:40 AM PDT
Extended Forecast for

4 Miles ENE Sebastopol CA

  • Overnight

    Overnight: Showers and possibly a thunderstorm.  Steady temperature around 46. South wind around 6 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm.  High near 61. South wind 6 to 9 mph becoming west southwest in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 7pm.  Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 39. West wind around 6 mph becoming calm  in the evening.

    Low: 39 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Areas
    Fog

  • Monday

    Monday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.

    High: 67 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 39. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 39 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 46. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 61. South wind 6 to 9 mph becoming west southwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers before 7pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 39. West wind around 6 mph becoming calm in the evening.
Monday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 39. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
Patchy fog before 10am. Otherwise, sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 72.
Thursday Night
Clear, with a low around 41.
Friday
Sunny, with a high near 75.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Sebastopol CA
 38.42°N 122.75°W (Elev. 102 ft)
1:25 am PDT Apr 12, 2026
3am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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