Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

57°F

14°C

Humidity 44%
Wind Speed NNW 4 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 07 Mar 04:15 AM PST
Extended Forecast for

Saint Helena CA

  • Today

    Today: Sunny, with a high near 79. North northeast wind 5 to 8 mph, with gusts as high as 23 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 54. Light north wind.

    Low: 54 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Areas of fog before 8am.  Otherwise, sunny, with a high near 76. Calm wind.

    High: 76 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 79. North northeast wind 5 to 8 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 54. Light north wind.
Sunday
Sunny, with a high near 81. Calm wind.
Sunday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 50. Calm wind.
Monday
Areas of fog before 8am. Otherwise, sunny, with a high near 76. Calm wind.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Helena CA
 38.51°N 122.46°W (Elev. 203 ft)
1:41 am PST Mar 7, 2026
4am PST Mar 7, 2026-6pm PDT Mar 13, 2026
 
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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