70
Recorded events
0
Direct deaths
0
Direct injuries
$1.5M
Property damage
Flood in Mendocino County, California: 70 recorded events between 1996 and 2026. The strongest on record measured 0. That places the county #142 nationally and #20 statewide for this hazard.
Decade by decade
Flood in Mendocino County, California: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flood in Mendocino County is the 2020s, when 51 of the county's 70 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Mendocino County archive, flood makes up 50.0% of all recorded severe weather across 10 hazard types. Nationally the county sits at #142 for this hazard and #20 within California, putting it in the 95.2 percentile of all U.S. counties.
Seasonality
Events by month
Dec is the peak month for flood in Mendocino County with 26 recorded events, while May is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jan 5, 2026 | (UKI)UKIAH ARPT | — | $0 |
| Jan 5, 2026 | HOPLAND | — | $0 |
| Jan 5, 2026 | NAVARRO | — | $0 |
| Jan 5, 2026 | ALBION | — | $0 |
| Jan 1, 2026 | OLD HOPLAND | — | $0 |
| Dec 24, 2025 | TALMAGE | 0 | $0 |
| Dec 22, 2025 | ELK | 0 | $0 |
| Dec 22, 2025 | OLD HOPLAND | 0 | $0 |
| Dec 21, 2025 | WILLITS | 0 | $0 |
| Dec 21, 2025 | LAYTONVILLE | 0 | $0 |
Other hazards here
More from Mendocino County
- Heavy Rain 56
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
The Pudding Creek Dam overtopped resulting in damage to the dam and a primary water main for the city of Fort Bragg. Damage estimates for replacement of the water main have been received but there are currently no estimates for the damage to the dam.
The primary highway along the coast, California Route 1, was closed at the Garcia River due to flooding for nearly 24 hours. The exact time of reopening is not known but it was sometime during the day on the 16th of December.
The Russian River exceeded flood stage at the Hopland Gauge around noon on the 5th causing flooding of Highway 175 and a full closure of the road east of Hopland. The river fell below flood stage during the morning of the 6th.
Quick answers
Frequently asked
How many flood events are on record in Mendocino County, California?
70 flood events are recorded in Mendocino County between 1996 and 2026, causing 0 direct deaths.
What is the strongest flood recorded in Mendocino County?
The strongest flood on record in Mendocino County measured 0.
Where does the flood data for Mendocino County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Flood in Mendocino County, California.” Severe Weather History. severeweatherhistory.com/county/california/mendocino-county/flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.