Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

64°F

18°C

Humidity 45%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 14 Jan 03:15 PM PST
Extended Forecast for

4 Miles W Saint Helena CA

  • Tonight

    Tonight: Clear, with a low around 52. East northeast wind around 6 mph.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 63. East northeast wind 7 to 9 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Northeast wind around 7 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Northeast wind 5 to 7 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 48. Northeast wind 3 to 6 mph.

    Low: 48 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 52. East northeast wind around 6 mph.
Thursday
Sunny, with a high near 63. East northeast wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 51. Northeast wind around 7 mph.
Friday
Sunny, with a high near 62. Northeast wind 5 to 7 mph.
Friday Night
Clear, with a low around 48. Northeast wind 3 to 6 mph.
Saturday
Sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 48.
M.L.King Day
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Saint Helena CA
 38.52°N 122.55°W (Elev. 1998 ft)
1:24 pm PST Jan 14, 2026
3pm PST Jan 14, 2026-6pm PST Jan 21, 2026
 
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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