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

Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mist

45°F

7°C

Humidity 100%
Wind Speed SSW 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 45°F (7°C)
Visibility 1.50 mi
Last update 20 Jan 12:20 PM PST
Extended Forecast for

Santa Rosa CA

  • This Afternoon

    This Afternoon: Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 61. Calm wind.

    High: 61 °F

    Areas Fog

  • Tonight

    Tonight: Patchy fog before 5am. Otherwise, cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, cloudy, with a high near 60. Calm wind.

    High: 60 °F

    Patchy Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of dense fog before noon. Otherwise, partly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Widespread fog, mainly after 8pm. Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Fog

  • Friday

    Friday: Widespread fog, mainly before 11am. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Fog then
    Sunny

  • Friday Night

    Friday Night: Areas of fog. Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Areas Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Sunny

Detailed Forecast

This Afternoon
Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 61. Calm wind.
Tonight
Patchy fog before 5am. Otherwise, cloudy, with a low around 45. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, cloudy, with a high near 60. Calm wind.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Thursday
Areas of dense fog before noon. Otherwise, partly sunny, with a high near 61. Calm wind.
Thursday Night
Widespread fog, mainly after 8pm. Otherwise, partly cloudy, with a low around 43.
Friday
Widespread fog, mainly before 11am. Otherwise, mostly sunny, with a high near 60.
Friday Night
Areas of fog. Otherwise, partly cloudy, with a low around 41.
Saturday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 61.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 41.
Sunday
Patchy fog. Otherwise, mostly cloudy, with a high near 59.
Sunday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 42.
Monday
Widespread fog. Otherwise, partly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.7°W (Elev. 190 ft)
Last Update:
12:26 pm PST Jan 20, 2026
Forecast Valid:
12pm PST Jan 20, 2026-6pm PST Jan 26, 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