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

Areas of Severe Thunderstorms and Excessive Rainfall Today in the Central U.S.

A storm system will track from the southern Plains to the Upper Midwest today. Severe thunderstorms are expected from east Texas into far southeast Iowa and Illinois. A strong tornado and damaging wind potential will exist from central Arkansas into central Missouri. Heavy to excessive rainfall from eastern Texas into the Midwest states may bring new or renewed areas of flooding. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mist

50°F

10°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 50°F (10°C)
Visibility 6.00 mi
Last update 20 Apr 09:53 AM PDT
Extended Forecast for

Saint Helena CA

  • Today

    Today: Sunny, with a high near 77. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Light west southwest wind.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 71.

    High: 71 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 48. Calm wind.
Monday
Sunny, with a high near 82. Calm wind.
Monday Night
Mostly clear, with a low around 51. Light west southwest wind.
Tuesday
Sunny, with a high near 79. Light and variable wind.
Tuesday Night
Clear, with a low around 46.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 46.
Thursday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 69.
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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:
1:26 am PDT Apr 20, 2025
Forecast Valid:
10am PDT Apr 20, 2025-6pm PDT Apr 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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