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Mendocino County Alerts
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Updated:November 4, 2025 2:16 am PST

Wind Advisory WIND ADVISORY  
Mendocino County

  Effective: Mon, 11/3 9:50pm Severity:  Moderate 
  Updated: November 4, 2025 2:16 am Urgency: Expected
  Expires: Tue, 11/4 8:00am Certainty: Likely

Areas Affected: Northeastern Mendocino Interior - Southwestern Mendocino Interior - Southeastern Mendocino Interior - Northern Lake County - Southern Lake County
 
Alert Details:
* WHAT...South winds 25 to 35 mph with gusts up to 60 mph expected.

* WHERE...Lake County, Southern Mendocino Interior, and Northeastern
Mendocino Interior.

* WHEN...From 7 PM Tuesday to noon PST Wednesday.

* IMPACTS...Wind gusts will be particularly strong along windward
ridges and exposed coastal headlands.

Information:
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Wind Advisory WIND ADVISORY  
Mendocino County

  Effective: Mon, 11/3 9:50pm Severity:  Moderate 
  Updated: November 4, 2025 2:16 am Urgency: Expected
  Expires: Tue, 11/4 8:00am Certainty: Likely

Areas Affected: Northwestern Mendocino Interior
 
Alert Details:
* WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected.

* WHERE...Northwestern Mendocino Interior. The highest winds will be
over the higher terrain.

* WHEN...From 3 PM Tuesday to 3 PM PST Wednesday.

* IMPACTS...Wind gusts will be particularly strong along windward
ridges and exposed coastal headlands.

Information:
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Wind Advisory WIND ADVISORY  
Mendocino County

  Effective: Mon, 11/3 9:50pm Severity:  Moderate 
  Updated: November 4, 2025 2:16 am Urgency: Expected
  Expires: Tue, 11/4 8:00am Certainty: Likely

Areas Affected: Mendocino Coast
 
Alert Details:
* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected.

* WHERE...Mendocino Coast.

* WHEN...From 7 PM Tuesday to 9 AM PST Wednesday.

* IMPACTS...Wind gusts will be particularly strong along windward
ridges and exposed coastal headlands. There is an increased risk
of tree branches and other debris on roadways. Gusty winds will
blow around unsecured objects. Tree limbs could be blown down and
a few power outages may result.

Information:
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

Secure outdoor objects.
High Wind Watch HIGH WIND WATCH  
Mendocino County

  Effective: Mon, 11/3 11:23am Severity:  Severe 
  Updated: November 4, 2025 2:16 am Urgency: Past
  Expires: Mon, 11/3 11:38am Certainty: Observed

Areas Affected: Northwestern Mendocino Interior
 
Alert Details:
The High Wind Watch has been replaced. Please see the latest information from NWS Eureka CA on this developing situation.

Information:
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Flood Watch FLOOD WATCH  
Mendocino County

  Effective: Mon, 11/3 10:12pm Severity:  Severe 
  Updated: November 4, 2025 2:16 am Urgency: Future
  Expires: Tue, 11/4 6:15am Certainty: Possible

Areas Affected: Southwestern Humboldt - Southern Humboldt Interior - Mendocino Coast - Northwestern Mendocino Interior
 
Alert Details:
* WHAT...A strong Atmospheric River weather system will bring
persistent moderate to heavy rainfall

* WHERE...A portion of northwest California, including the following
areas, Mendocino Coast, Northwestern Mendocino Interior, Southern
Humboldt Interior and Southwestern Humboldt.

* WHEN...From 3 AM PST Tuesday through Wednesday morning.

* IMPACTS...There will be an increased risk of rock and land slides
along roadways. 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. Flooding may occur
in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- A strong Atmospheric River weather system will bring
persistent moderate to heavy rainfall
- http://www.weather.gov/safety/flood

Information:
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.
Flood Watch FLOOD WATCH  
Mendocino County

  Effective: Mon, 11/3 10:12pm Severity:  Severe 
  Updated: November 4, 2025 2:16 am Urgency: Future
  Expires: Tue, 11/4 6:15am Certainty: Possible

Areas Affected: Southern Trinity - Northeastern Mendocino Interior - Southwestern Mendocino Interior - Southeastern Mendocino Interior - Northern Lake County - Southern Lake County
 
Alert Details:
* WHAT...A strong Atmospheric River weather system will bring
persistent moderate to heavy rainfall

* WHERE...A portion of northwest California, including the following
areas, Northeastern Mendocino Interior, Northern Lake,
Southeastern Mendocino Interior, Southern Lake, Southern Trinity
and Southwestern Mendocino Interior.

* WHEN...From late Tuesday night through Wednesday morning.

* IMPACTS...There will be an increased risk of rock and land slides
along roadways. 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. Flooding may occur
in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- A strong Atmospheric River weather system will bring
persistent moderate to heavy rainfall
- http://www.weather.gov/safety/flood

Information:
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.