National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. 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.

Fog

32°F

0°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 32°F (0°C)
Visibility 0.50 mi
Last update 29 Dec 06:08 AM PST
Extended Forecast for

Monte Rio CA

Coastal Flood Advisory December 31, 05:00am until January 4, 02:00pm
Cold Weather Advisory until December 29, 09:00am
Click here for hazard details and duration
Coastal Flood Advisory
...
  •  
    Cold Weather Advisory until December 29, 09:00am

    NOW until 9:00am Mon

    Cold Weather Advisory

  • Today

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. Light east wind.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 10am. Mostly cloudy, with a high near 56. Calm wind becoming east around 5 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain Likely

  • New Year's Day

    New Year's Day: Rain likely. Cloudy, with a high near 53. Chance of precipitation is 70%.

    High: 53 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Cloudy, with a low around 49.

    Low: 49 °F

    Rain

Detailed Forecast

Today
Sunny, with a high near 58. Calm wind.
Tonight
Mostly clear, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 58. Light east wind.
Tuesday Night
Mostly cloudy, with a low around 42. Calm wind.
Wednesday
A 30 percent chance of rain after 10am. Mostly cloudy, with a high near 56. Calm wind becoming east around 5 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
New Year's Day
Rain likely. Cloudy, with a high near 53. Chance of precipitation is 70%.
Thursday Night
Rain. Cloudy, with a low around 49.
Friday
Rain likely. Mostly cloudy, with a high near 55.
Friday Night
Rain likely. Mostly cloudy, with a low around 47.
Saturday
Rain likely. Mostly cloudy, with a high near 54.
Saturday Night
Rain likely. Mostly cloudy, with a low around 47.
Sunday
Rain likely. Mostly cloudy, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monte Rio CA
 38.47°N 123°W (Elev. 525 ft)
Last Update:
12:27 am PST Dec 29, 2025
Forecast Valid:
6am PST Dec 29, 2025-6pm PST Jan 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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