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

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mostly Cloudy

61°F

16°C

Humidity 82%
Wind Speed SSE 6 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 09:35 AM PDT
Extended Forecast for

Saint Helena CA

  • Juneteenth

    Juneteenth: Sunny, with a high near 73. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 51. West southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 77. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 51. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Juneteenth
Sunny, with a high near 73. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 51. West southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 77. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 51. West southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Helena CA
 38.51°N 122.49°W (Elev. 594 ft)
Last Update:
2:16 am PDT Jun 19, 2026
Forecast Valid:
9am PDT Jun 19, 2026-6pm PDT Jun 25, 2026
 
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