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Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. Rounds of heavy rainfall may cause impactful flash flooding in parts of southern Kansas and Missouri. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, and dry thunderstorms may spark additional wildfires. Dangerous heat will build across the southern U.S. Friday into the weekend. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Overcast

54°F

12°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 52°F (11°C)
Visibility 9.00 mi
Last update 25 Jun 06:20 AM PDT
Extended Forecast for

Saint Helena CA

  • Today

    Today: Areas of fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 87. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 87 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. West wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 82 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 53. West southwest wind 6 to 13 mph, with gusts as high as 33 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Areas of fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 87. Calm wind becoming west southwest around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 56. West wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 24 mph.
Friday Night
Increasing clouds, with a low around 53. West southwest wind 6 to 13 mph, with gusts as high as 33 mph.
Saturday
Mostly sunny, with a high near 79. Calm wind becoming west southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 84.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Helena CA
 38.51°N 122.46°W (Elev. 203 ft)
Last Update:
1:51 am PDT Jun 25, 2026
Forecast Valid:
6am PDT Jun 25, 2026-6pm PDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation