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

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 this 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.

Clear

68°F

20°C

Humidity 56%
Wind Speed WSW 6 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 09 Apr 05:00 PM PDT
Extended Forecast for

4 Miles NW Angwin CA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly sunny, with a high near 64. West southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 64 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 48. West southwest wind 5 to 9 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. High near 57. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 48. South southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 11am. High near 51. South wind 7 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 51 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then showers between 8pm and 11pm, then showers and possibly a thunderstorm after 11pm. Low around 43. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 11am. High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of rain before 11pm. Partly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly sunny, with a high near 64. West southwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 48. West southwest wind 5 to 9 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. High near 57. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 48. South southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers, with thunderstorms also possible after 11am. High near 51. South wind 7 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then showers between 8pm and 11pm, then showers and possibly a thunderstorm after 11pm. Low around 43. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers, with thunderstorms also possible after 11am. High near 51. Chance of precipitation is 90%.
Sunday Night
A chance of rain before 11pm. Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Angwin CA
 38.62°N 122.49°W (Elev. 2146 ft)
Last Update:
4:46 pm PDT Apr 9, 2026
Forecast Valid:
5pm PDT Apr 9, 2026-6pm PDT Apr 16, 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