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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mostly Cloudy

57°F

14°C

Humidity 58%
Wind Speed WSW 10 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Apr 05:53 PM PDT
Extended Forecast for

3 Miles ESE Guerneville CA

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 42. West wind 5 to 7 mph becoming calm in the evening.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. West northwest wind 3 to 6 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. Calm wind becoming west around 6 mph in the afternoon.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. Northwest wind 3 to 8 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 42. West wind 5 to 7 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 43. West northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 68. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 46. Northwest wind 3 to 8 mph.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 69.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
A slight chance of rain. Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Guerneville CA
 38.5°N 122.95°W (Elev. 79 ft)
Last Update:
6:36 pm PDT Apr 12, 2026
Forecast Valid:
6pm PDT Apr 12, 2026-6pm PDT Apr 19, 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