National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

70°F

21°C

Humidity 10%
Wind Speed NE 16 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 16 Apr 06:00 PM PDT
Extended Forecast for

6 Miles SSW Saint Helena CA

  • Tonight

    Tonight: Clear, with a low around 49. North northeast wind 6 to 11 mph, with gusts as high as 32 mph.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 69. North wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Calm wind becoming south around 6 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52. Southwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 60.

    High: 60 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Rain Likely

Detailed Forecast

Tonight
Clear, with a low around 49. North northeast wind 6 to 11 mph, with gusts as high as 32 mph.
Friday
Sunny, with a high near 69. North wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Friday Night
Partly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 71. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 52. Southwest wind around 6 mph becoming calm in the evening.
Sunday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 65.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 52.
Monday
Rain likely. Mostly cloudy, with a high near 60.
Monday Night
Rain likely. Mostly cloudy, with a low around 52.
Tuesday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Wednesday
A chance of rain. Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Saint Helena CA
 38.43°N 122.52°W (Elev. 1093 ft)
Last Update:
1:26 pm PDT Apr 16, 2026
Forecast Valid:
6pm PDT Apr 16, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation