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.

smoke

48°F

9°C

Humidity 93%
Wind Speed S 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Last update 22 Jan 08:00 PM PST
Extended Forecast for

2 Miles SE Saint Helena CA

  • Tonight

    Tonight: Patchy fog.  Otherwise, mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Friday

    Friday: Areas of dense fog before 11am.  Otherwise, mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Areas Dense
    Fog then
    Sunny

  • Friday Night

    Friday Night: Patchy fog between 11pm and midnight.  Otherwise, mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 62. North northeast wind 3 to 6 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Light north wind.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly clear, with a low around 41. Calm wind.
Friday
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 62. Calm wind.
Friday Night
Patchy fog between 11pm and midnight. Otherwise, mostly clear, with a low around 43. Calm wind.
Saturday
Sunny, with a high near 62. North northeast wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 38. Light north wind.
Sunday
Mostly cloudy, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
Wednesday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Saint Helena CA
 38.49°N 122.45°W (Elev. 230 ft)
3:01 pm PST Jan 22, 2026
8pm PST Jan 22, 2026-6pm PST Jan 29, 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