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.

Overcast

54°F

12°C

Humidity	96%
Wind Speed	S 4 MPH
Barometer	29.86 in (1011.18 mb)
Dewpoint	53°F (12°C)
Visibility	10.00 mi
Last update	11 Apr 02:53 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Guerneville CA

Overnight
Low: 51 °F
Chance Rain
and Patchy
Fog
Saturday
High: 59 °F
Showers
Likely and
Patchy Fog
then Showers
Saturday Night
Low: 47 °F
Showers
Sunday
High: 60 °F
Showers
Sunday Night
Low: 44 °F
Chance Rain
then Mostly
Clear
Monday
High: 66 °F
Slight Chance
Rain
Monday Night
Low: 45 °F
Mostly Clear
Tuesday
High: 68 °F
Sunny
Tuesday Night
Low: 45 °F
Mostly Clear

Detailed Forecast

Overnight

A 30 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 51. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Rain likely and possibly a thunderstorm, then showers and possibly a thunderstorm after 2pm. Patchy fog before 7am. High near 59. Light south southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 47. South wind 3 to 7 mph. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Sunday

Showers and possibly a thunderstorm, mainly before 2pm, then rain likely after 2pm. High near 60. West southwest wind 5 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 44. West wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

Monday

A 20 percent chance of rain after 11am. Mostly sunny, with a high near 66.

Monday Night

Mostly clear, with a low around 45.

Tuesday

Sunny, with a high near 68.

Tuesday Night

Mostly clear, with a low around 45.

Wednesday

Mostly sunny, with a high near 68.

Wednesday Night

Partly cloudy, with a low around 45.