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

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Rain

50°F

10°C

Humidity 87%
Wind Speed S 3 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 46°F (8°C)
Visibility 7.00 mi
Last update 11 Apr 05:15 PM PDT
Extended Forecast for

4 Miles NW Angwin CA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 51. South wind around 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall.  Low around 42. South southwest wind 9 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 42 °F

    Heavy Rain

  • Sunday

    Sunday: Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm.  High near 51. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 11pm.  Partly cloudy, with a low around 39. West southwest wind 6 to 11 mph becoming light west  in the evening. Winds could gust as high as 21 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 51. South wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Low around 42. South southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 51. Southwest wind 10 to 13 mph, with gusts as high as 23 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 30 percent chance of showers before 11pm. Partly cloudy, with a low around 39. West southwest wind 6 to 11 mph becoming light west in the evening. Winds could gust as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 65.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Angwin CA
 38.62°N 122.49°W (Elev. 2146 ft)
1:26 pm PDT Apr 11, 2026
5pm PDT Apr 11, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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