Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mist

52°F

11°C

Humidity 100%
Wind Speed ESE 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 52°F (11°C)
Visibility 3.00 mi
Last update 01 Mar 03:09 AM PST
Extended Forecast for

Guerneville CA

  • Overnight

    Overnight: Areas of fog.  Otherwise, mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Areas Fog

  • Sunday

    Sunday: Areas of fog before noon.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 62. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 62 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of rain, mainly after 10pm.  Patchy fog.  Otherwise, mostly cloudy, with a low around 50. Calm wind.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A 20 percent chance of rain.  Widespread dense fog, mainly before 7am.  Otherwise, mostly sunny, with a high near 63. Light west southwest wind.  New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Slight Chance
    Rain and
    Dense Fog

  • Monday Night

    Monday Night: Patchy fog.  Otherwise, mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of dense fog before 9am.  Otherwise, sunny, with a high near 65.

    High: 65 °F

    Areas Dense
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain before 10am.  Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain then
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Sunday
Areas of fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 62. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
A 50 percent chance of rain, mainly after 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 50. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 20 percent chance of rain. Widespread dense fog, mainly before 7am. Otherwise, mostly sunny, with a high near 63. Light west southwest wind. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 46. Calm wind.
Tuesday
Areas of dense fog before 9am. Otherwise, sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
A slight chance of rain before 10am. Mostly sunny, with a high near 64.
Wednesday Night
Clear, with a low around 44.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
1:17 am PST Mar 1, 2026
3am PST Mar 1, 2026-6pm PST Mar 7, 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