Winter Weather in the Eastern U.S.; Fire Weather in the Southern High Plains
A wintry mix may impact travel across portions of the Ohio Valley, central Appalachians, Mid-Atlantic, and Northeast U.S. today through Tuesday. Gusty winds and low relative humidity will bring elevated to critical fire weather to northeastern New Mexico and southeastern Colorado today and Tuesday. Read More >
Current conditions at
Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)
Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.Mist
54°F
12°C
| Humidity | 93% |
| Wind Speed | N 0 MPH |
| Barometer | 30.08 in (1018.63 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 6.00 mi |
| Last update | 02 Mar 08:53 AM PST |
Extended Forecast for
Saint Helena CA
Today
High: 66 °F
Patchy Fog
then Mostly
SunnyTonight
Low: 45 °F
Mostly Clear
Tuesday
High: 69 °F
Patchy Fog
then SunnyTuesday Night
Low: 46 °F
Increasing
CloudsWednesday
High: 65 °F
Mostly Sunny
Wednesday Night
Low: 42 °F
Clear
Thursday
High: 68 °F
Sunny
Thursday Night
Low: 48 °F
Mostly Clear
Friday
High: 72 °F
Sunny
Detailed Forecast
Today
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 66. Calm wind.
Tonight
Mostly clear, with a low around 45. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 69. Calm wind.
Tuesday Night
Increasing clouds, with a low around 46. Calm wind.
Wednesday
Mostly sunny, with a high near 65. Calm wind becoming west northwest 5 to 7 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Helena CA
38.51°N 122.46°W (Elev. 203 ft)
38.51°N 122.46°W (Elev. 203 ft)
2:17 am PST Mar 2, 2026
9am PST Mar 2, 2026-6pm PDT Mar 8, 2026
Additional Resources
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Hourly Weather Forecast
