Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Fog

52°F

11°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 52°F (11°C)
Visibility 0.25 mi
Last update 09 Apr 04:00 AM PDT
Extended Forecast for

3 Miles ESE Guerneville CA

  • Today

    Today: A chance of rain and thunderstorms before 4pm, then a chance of showers and thunderstorms, mainly after 5pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 66. Calm wind becoming south southwest around 6 mph in the afternoon.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of rain and thunderstorms before 10pm, then a chance of rain after 1am.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 53. Calm wind.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  Areas of fog before 11am. High near 64. Calm wind becoming south southwest around 6 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers and
    Areas Fog

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 11pm, then rain after 11pm.  Patchy fog after 2am. Low around 52. South southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers and
    Patchy Fog

  • Saturday

    Saturday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  High near 59. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 46. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 60. Chance of precipitation is 80%.

    High: 60 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of rain before 11pm.  Partly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
A chance of rain and thunderstorms before 4pm, then a chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 66. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of rain and thunderstorms before 10pm, then a chance of rain after 1am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Areas of fog before 11am. High near 64. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 11pm, then rain after 11pm. Patchy fog after 2am. Low around 52. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 59. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 46. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 60. Chance of precipitation is 80%.
Sunday Night
A chance of rain before 11pm. Partly cloudy, with a low around 44.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Guerneville CA
 38.5°N 122.95°W (Elev. 79 ft)
1:26 am PDT Apr 9, 2026
4am PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
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Additional Resources

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