Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Fog

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 43°F (6°C)
Visibility 0.50 mi
Last update 27 Dec 09:35 AM PST
Extended Forecast for

5 Miles WSW Calistoga CA

  • Today

    Today: Sunny, with a high near 50. North northeast wind 3 to 5 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52. Light northeast wind.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. North northeast wind 3 to 5 mph.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 54. Northeast wind 3 to 6 mph.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain after 4pm.  Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 50. North northeast wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 38. Calm wind.
Sunday
Sunny, with a high near 52. Light northeast wind.
Sunday Night
Clear, with a low around 38. North northeast wind 3 to 5 mph.
Monday
Sunny, with a high near 54. Northeast wind 3 to 6 mph.
Monday Night
Clear, with a low around 39.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
A slight chance of rain after 4pm. Mostly sunny, with a high near 54.
Wednesday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 43.
New Year's Day
A chance of rain. Partly sunny, with a high near 50.
Thursday Night
Rain likely. Mostly cloudy, with a low around 45.
Friday
A chance of rain. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Calistoga CA
 38.55°N 122.64°W (Elev. 1001 ft)
7:59 am PST Dec 27, 2025
9am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database