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Elev 197 ft, 38.5 °N, 123 °W

Guerneville, CA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Guerneville, CA
Elevation: 197ft
Nearby Weather Stations

Active Weather Alerts

Gale Warning
Issued: 5:15 PM Dec. 21, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PST THIS EVENING...
...SMALL CRAFT ADVISORY HAS EXPIRED...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 40 kt and
seas 8 to 10 ft.

* WHERE...Coastal Waters from Point Arena to Point Reyes
California out to 10 NM.

* WHEN...Until 9 PM PST this evening.

* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

Flood Watch
Issued: 7:32 AM Dec. 21, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON...

* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...Northern San Francisco Bay Area (Napa, Sonoma, and Marin
counties).

* WHEN...Through Monday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks.

* ADDITIONAL DETAILS...
- Moderate to heavy rain associated with an atmospheric river will
impact the region. 2-3" of rain is expected in the valleys during
the watch period, with up to 6" in the coastal mountains. Area
rivers, streams, and creeks that are prone to flooding could see
rapid rises during and after heavy rainfall. There is a slight
chance for flash flooding, particularly in urban areas Sunday and
Monday. Debris flows are possible particularly for the Pickett
Burn Scar.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

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