Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

mist,smoke

50°F

10°C

Humidity 89%
Wind Speed SSE 4 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 47°F (8°C)
Visibility 3.00 mi
Wind Chill49°F (9°C)
Last update 23 Jan 04:53 PM PST
Extended Forecast for

4 Miles W Saint Helena CA

  • Tonight

    Tonight: Mostly clear, with a low around 47. Light and variable wind becoming north northwest 5 to 8 mph in the evening. Winds could gust as high as 28 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. North northeast wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. East wind 7 to 9 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 52. East wind around 6 mph.

    High: 52 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. East wind around 5 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 10pm.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Light and variable wind becoming north northwest 5 to 8 mph in the evening. Winds could gust as high as 28 mph.
Saturday
Sunny, with a high near 56. North northeast wind 10 to 15 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 45. East wind 7 to 9 mph, with gusts as high as 28 mph.
Sunday
Mostly cloudy, with a high near 52. East wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 45. East wind around 5 mph.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Partly sunny, with a high near 55.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Saint Helena CA
 38.52°N 122.55°W (Elev. 1998 ft)
12:26 pm PST Jan 23, 2026
5pm PST Jan 23, 2026-6pm PST Jan 30, 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