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Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Partly Cloudy

50°F

10°C

Humidity 81%
Wind Speed SSE 11 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 26 Dec 06:00 AM PST
Extended Forecast for

Santa Rosa CA

Flood Watch December 26, 06:26am until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 26, 06:26am until December 26, 10:00pm

    NOW until 10:00pm Fri

    Flood Watch

  • Today

    High: 52 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 41. Light west southwest wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance
    Showers then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 52. Light north northwest wind.

    High: 52 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog between 11pm and 5am. Otherwise, increasing clouds, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 7am. Patchy frost between 7am and 8am. Otherwise, mostly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 3am. Otherwise, partly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 55.

    High: 55 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

Detailed Forecast

Today
Showers likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 52. South wind 7 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 7pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 41. Light west southwest wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 52. Light north northwest wind.
Saturday Night
Patchy fog between 11pm and 5am. Otherwise, increasing clouds, with a low around 36. Calm wind.
Sunday
Patchy fog before 7am. Patchy frost between 7am and 8am. Otherwise, mostly sunny, with a high near 53. Calm wind.
Sunday Night
Patchy frost after 3am. Otherwise, partly cloudy, with a low around 36.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 55.
Monday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.
Tuesday
Patchy fog before 9am. Patchy frost before 8am. Otherwise, sunny, with a high near 56.
Tuesday Night
Patchy fog before 10pm. Otherwise, mostly clear, with a low around 37.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
A slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 41.
New Year's Day
A chance of showers. Areas of fog. Otherwise, cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.7°W (Elev. 190 ft)
Last Update:
3:07 am PST Dec 26, 2025
Forecast Valid:
6am PST Dec 26, 2025-6pm PST Jan 1, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation