Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

54°F

12°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 48°F (9°C)
Visibility 8.00 mi
Last update 18 Jan 06:30 PM PST
Extended Forecast for

2 Miles W Guerneville CA

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog before midnight.  Otherwise, partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog before 10pm.  Otherwise, mostly cloudy, with a low around 46.

    Low: 46 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog.  Otherwise, mostly clear, with a low around 45.

    Low: 45 °F

    Patchy Fog

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. Calm wind.
M.L.King Day
Mostly sunny, with a high near 64. Calm wind.
Monday Night
Patchy fog before midnight. Otherwise, partly cloudy, with a low around 45. Calm wind.
Tuesday
Mostly sunny, with a high near 63. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 47. Calm wind.
Wednesday
Mostly cloudy, with a high near 61.
Wednesday Night
Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 46.
Thursday
Sunny, with a high near 60.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 45.
Friday
Sunny, with a high near 60.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Guerneville CA
 38.51°N 123.04°W (Elev. 558 ft)
12:26 pm PST Jan 18, 2026
6pm PST Jan 18, 2026-6pm PST Jan 25, 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