Wintry Precipitation for the Northeast; Increasing Severe Weather Threat from the Plains to the Midwest

Wintry mixed precipitation will spread across the Northeast today, with light snow and ice accumulations forecast through southern New England. Meanwhile, the threat of severe weather will be increasing from the southern Plains to the Midwest, with rounds of showers and thunderstorms, some severe, expected each day through Friday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Fog

46°F

8°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 46°F (8°C)
Visibility 0.25 mi
Last update 03 Mar 08:00 AM PST
Extended Forecast for

Saint Helena CA

  • Today

    Today: Patchy fog before 9am.  Otherwise, sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 9pm.  Otherwise, increasing clouds, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of rain after 10am.  Mostly cloudy through mid morning, then gradual clearing, with a high near 65. West wind 3 to 7 mph. Winds could gust as high as 20 mph.

    High: 65 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Clear, with a low around 42. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Calm wind becoming north 5 to 7 mph in the morning.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny, with a high near 70. Light and variable wind.
Tonight
Patchy fog after 9pm. Otherwise, increasing clouds, with a low around 46. Calm wind.
Wednesday
A 20 percent chance of rain after 10am. Mostly cloudy through mid morning, then gradual clearing, with a high near 65. West wind 3 to 7 mph. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 42. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 67. Calm wind becoming north 5 to 7 mph in the morning.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 71.
Friday Night
Clear, with a low around 52.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Partly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Saint Helena CA
 38.51°N 122.46°W (Elev. 203 ft)
12:26 am PST Mar 3, 2026
8am PST Mar 3, 2026-6pm PDT Mar 9, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database