Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Fog

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 37°F (3°C)
Visibility 0.50 mi
Last update 28 Dec 11:53 PM PST
Extended Forecast for

5 Miles SSW Saint Helena CA

  • Overnight

    Overnight: Clear, with a steady temperature around 46. North northeast wind around 7 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 54. Northeast wind 6 to 8 mph.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. Northeast wind 3 to 6 mph.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54. East northeast wind around 7 mph.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. Northeast wind 3 to 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of rain after 4pm.  Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • New Year's Day

    New Year's Day: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain Likely

Detailed Forecast

Overnight
Clear, with a steady temperature around 46. North northeast wind around 7 mph.
Monday
Sunny, with a high near 54. Northeast wind 6 to 8 mph.
Monday Night
Clear, with a low around 42. Northeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 54. East northeast wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 44. Northeast wind 3 to 6 mph.
Wednesday
A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 53.
Wednesday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 46.
New Year's Day
Rain likely, mainly after 10am. Mostly cloudy, with a high near 52.
Thursday Night
Rain likely. Mostly cloudy, with a low around 49.
Friday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 53.
Friday Night
A chance of rain. Mostly cloudy, with a low around 48.
Saturday
A chance of rain. Mostly cloudy, with a high near 51.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 48.
Sunday
A chance of rain. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Saint Helena CA
 38.44°N 122.5°W (Elev. 1398 ft)
12:27 pm PST Dec 28, 2025
12am PST Dec 29, 2025-6pm PST Jan 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