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

Critical Fire Weather in the Southern Plains; Severe Storms in the Ohio Valley

Strong winds and low humidity will create elevated to critical fire weather conditions across the Southern Plains on Thursday. Strong to severe thunderstorms are forecast in the Ohio Valley late Thursday into Friday morning, with the strongest storms capable of producing very large hail, damaging winds, and a few tornadoes. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

79°F

26°C

Humidity 26%
Wind Speed NNW 12 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 Mar 05:35 PM PDT
Extended Forecast for

4 Miles W Saint Helena CA

  • Tonight

    Tonight: Partly cloudy, with a low around 53. West wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 71. North northeast wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. North wind 6 to 9 mph.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74. North northeast wind around 6 mph becoming west northwest in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. West southwest wind around 6 mph becoming calm after midnight.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

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

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. West wind 5 to 14 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 71. North northeast wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 59. North wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 74. North northeast wind around 6 mph becoming west northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 56. West southwest wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 59.
Monday
A slight chance of rain after 11am. Mostly cloudy, with a high near 64.
Monday Night
Rain likely. Mostly cloudy, with a low around 54.
Tuesday
Rain likely. Mostly cloudy, with a high near 58.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 53.
Wednesday
Rain. Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Saint Helena CA
 38.52°N 122.55°W (Elev. 1998 ft)
Last Update:
2:41 pm PDT Mar 25, 2026
Forecast Valid:
5pm PDT Mar 25, 2026-6pm PDT Apr 1, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation