Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. 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 52%
Wind Speed NW 4 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 29 Jan 01:15 PM PST
Extended Forecast for

4 Miles W Saint Helena CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. Calm wind.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 61. East wind 3 to 5 mph.

    High: 61 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. Northeast wind around 6 mph.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61. East wind around 6 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Sunday Night

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

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 61. Calm wind.
Tonight
Mostly cloudy, with a low around 50. Light and variable wind.
Friday
Increasing clouds, with a high near 61. East wind 3 to 5 mph.
Friday Night
Mostly cloudy, with a low around 51. Northeast wind around 6 mph.
Saturday
Partly sunny, with a high near 61. East wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Saint Helena CA
 38.52°N 122.55°W (Elev. 1998 ft)
12:27 pm PST Jan 29, 2026
1pm PST Jan 29, 2026-6pm PST Feb 4, 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