Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

58°F

14°C

Humidity 86%
Wind Speed SE 6 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Aug 08:53 PM PDT
Extended Forecast for

5 Miles SSW Saint Helena CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. West wind 3 to 5 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Southwest wind 3 to 7 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. West wind 3 to 5 mph.
Tuesday
Sunny, with a high near 84. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 60. West southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 60. Southwest wind 3 to 7 mph.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 77.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Saint Helena CA
 38.44°N 122.5°W (Elev. 1398 ft)
1:26 pm PDT Aug 17, 2026
9pm PDT Aug 17, 2026-6pm PDT Aug 24, 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