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

48°F

9°C

Humidity 93%
Wind Speed S 6 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Wind Chill45°F (7°C)
Last update 11 Apr 09:00 PM PDT
Extended Forecast for

Santa Rosa CA

  • Overnight

    Overnight: Showers and possibly a thunderstorm.  Low around 44. South southwest wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm.  High near 60. South wind 5 to 8 mph becoming west southwest in the afternoon. 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: 60 °F

    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 7pm.  Areas of fog after 11pm.  Otherwise, partly cloudy, with a low around 40. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 40 °F

    Slight Chance
    Showers and
    Areas Fog
    then Areas
    Fog

  • Monday

    Monday: Areas of fog before 9am.  Otherwise, sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 40. West wind around 6 mph becoming calm  in the evening.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, sunny, with a high near 69.

    High: 69 °F

    Areas Fog
    then Sunny

  • Tuesday Night

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

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 44. South southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth 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 60. South wind 5 to 8 mph becoming west southwest in the afternoon. 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.
Sunday Night
A 20 percent chance of showers before 7pm. Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 40. West southwest wind around 5 mph becoming calm in the evening.
Monday
Areas of fog before 9am. Otherwise, sunny, with a high near 66. Light and variable wind.
Monday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 40. West wind around 6 mph becoming calm in the evening.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 72.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.7°W (Elev. 190 ft)
1:25 am PDT Apr 12, 2026
4am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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