Isolated Severe Thunderstorms Across Southern U.S.; Heat Continues In West

Isolated severe thunderstorms are possible from the Southeast to Southern Plains today. Other thunderstorms may produce localized flash flooding across the Great Lakes, Midwest, and Mid Atlantic. Finally, the ongoing heat wave continues in the West and will expand into the Rockies by the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125ft.

Clear

81°F

27°C

Humidity 42%
Wind Speed S 10 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 28 May 03:53 PM PDT
Extended Forecast for

2 Miles NW Guerneville CA

Heat Advisory until May 28, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until May 28, 07:00pm

    NOW until
    7:00pm Thu

    Heat Advisory

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 84. Calm wind.

    Sunny

    High: 84 °F

  • Tonight

    Tonight: Increasing clouds, with a low around 52. Calm wind.

    Increasing
    Clouds

    Low: 52 °F

  • Friday

    Friday: Mostly cloudy, with a high near 72. Calm wind becoming south southwest around 6 mph in the afternoon.

    Mostly Cloudy

    High: 72 °F

  • Friday
    Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 11pm.  Cloudy, with a low around 54. Calm wind becoming south around 6 mph after midnight.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    Low: 54 °F

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am.  Mostly cloudy, with a high near 68. East wind 6 to 13 mph becoming south in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 68 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 52.

    Mostly Cloudy

    Low: 52 °F

  • Sunday

    Sunday: Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 72.

    Patchy Fog
    then Mostly
    Cloudy

    High: 72 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 51.

    Mostly Cloudy

    Low: 51 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Calm wind.
Tonight
Increasing clouds, with a low around 52. Calm wind.
Friday
Mostly cloudy, with a high near 72. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
A 50 percent chance of showers and thunderstorms after 11pm. Cloudy, with a low around 54. Calm wind becoming south around 6 mph after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 68. East wind 6 to 13 mph becoming south in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Partly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
2 Miles NW Guerneville CA
 38.54°N 123.01°W (Elev. 548 ft)
3:02 pm PDT May 28, 2020
4pm PDT May 28, 2020-6pm PDT Jun 4, 2020
 
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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