Severe Thunderstorms and Flash Flooding for the Central U.S. through Tuesday; Dangerous East Coast Beach Conditions

Thunderstorms ahead of an approaching cold front will impact much of the Central U.S. through Tuesday. Severe thunderstorms and flash flooding are forecast for portions of the central/southern Plains and the Mississippi, Ohio, and Tennessee Valleys. Meanwhile, dangerous waves and rip currents will impact portions of the East Coast as tropical activity increases in the Atlantic. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

91°F

33°C

Humidity 27%
Wind Speed SSW 9 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 22 Sep 03:05 PM PDT
Extended Forecast for

6 Miles SW Saint Helena CA

  • Tonight

    Tonight: Clear, with a low around 67. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 67 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Northeast wind around 6 mph becoming light and variable.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. West wind 3 to 6 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 74. West wind around 6 mph.

    High: 74 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 59. West wind 3 to 6 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 67. Calm wind becoming north northeast around 5 mph after midnight.
Tuesday
Sunny, with a high near 89. Northeast wind around 6 mph becoming light and variable.
Tuesday Night
Mostly clear, with a low around 61. West wind 3 to 6 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 74. West wind around 6 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 59. West wind 3 to 6 mph.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 57.
Monday
A slight chance of showers. Mostly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Saint Helena CA
 38.45°N 122.56°W (Elev. 1594 ft)
1:36 pm PDT Sep 22, 2025
3pm PDT Sep 22, 2025-6pm PDT Sep 29, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database