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Flood in Placer County, California
63 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
NCEI records 63 flood events in Placer County, California, between 1950 and 2026, spread over 13 years.
February is the busiest month, with 17 of the recorded events. The last 20 years account for 58 events against 5 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.9% of the 7,136 flood events recorded in California; its 4.5 per 100 square miles compares with 4.6 statewide.
NCEI attributes 3 deaths in the county to floods and flash floods.
Compared with California
| Measure | Placer County | California | US |
|---|---|---|---|
| Flood events since 1950 | 63 | 7,136 | 183,559 |
| Per 100 square miles | 4.5 | 4.6 | 5.2 |
| Per 10,000 residents | 1.5 | 1.8 | 5.5 |
| Deaths recorded | 3 | 121 | 2,961 |
| Busiest month | February | January | June |
By year
Seasonality
16Feb
17Mar
3Apr
6May
3Jun
0Jul
0Aug
0Sep
0Oct
0Nov
2Dec
16
Recorded events
All 63 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 21 Apr 2026 | Flood | — | — | — | — | — | County |
| 21 Apr 2026 | Flood | — | — | — | — | — | County |
| 11 Apr 2026 | Flood | — | — | — | — | — | County |
| 11 Apr 2026 | Flood | — | — | — | — | — | County |
| 16 Feb 2026 | Flood | — | — | — | — | — | County |
| 4 Jan 2026 | Flood | — | — | — | — | — | County |
| 4 Jan 2026 | Flood | — | — | — | — | — | County |
| 4 Jan 2026 | Flood | — | — | — | — | — | County |
| 25 Dec 2025 | Flood | — | — | — | — | — | County |
| 25 Dec 2025 | Flood | — | — | — | — | — | County |
| 25 Dec 2025 | Flood | — | — | — | — | — | County |
| 24 Dec 2025 | Flood | — | — | — | — | — | County |
| 21 Dec 2025 | Flood | — | — | — | — | — | County |
| 13 Nov 2025 | Flood | — | — | — | — | — | County |
| 6 Feb 2025 | Flood | — | — | — | — | — | County |
| 6 Feb 2025 | Flood | — | — | — | — | — | County |
| 6 Feb 2025 | Flood | — | — | — | — | — | County |
| 4 Feb 2025 | Flood | — | — | — | — | — | County |
| 4 Feb 2025 | Flood | — | — | — | — | — | County |
| 4 Feb 2025 | Flood | — | — | — | — | — | County |
| 4 Feb 2025 | Flood | — | — | — | — | — | County |
| 4 Feb 2025 | Flood | — | — | — | — | — | County |
| 4 Feb 2025 | Flood | — | — | — | — | — | County |
| 23 Nov 2024 | Flood | — | — | — | 2 | — | County |
| 19 Feb 2024 | Flood | — | — | — | — | — | County |
| 19 Feb 2024 | Flood | — | — | — | — | — | County |
| 7 Feb 2024 | Flood | — | — | — | 1 | — | County |
| 5 Feb 2024 | Flood | — | — | — | — | — | County |
| 14 Mar 2023 | Flood | — | — | — | — | — | County |
| 10 Mar 2023 | Flood | — | — | — | — | — | County |
| 9 Mar 2023 | Flood | — | — | — | — | — | County |
| 14 Jan 2023 | Flood | — | — | — | — | — | County |
| 14 Jan 2023 | Flood | — | — | — | — | — | County |
| 14 Jan 2023 | Flood | — | — | — | — | — | County |
| 14 Jan 2023 | Flood | — | — | — | — | — | County |
| 13 Jan 2023 | Flood | — | — | — | — | — | County |
| 9 Jan 2023 | Flood | — | — | — | — | — | County |
| 5 Jan 2023 | Flood | — | — | — | — | — | County |
| 5 Jan 2023 | Flood | — | — | — | — | — | County |
| 31 Dec 2022 | Flood | — | $25K | — | — | — | County |
| 31 Dec 2022 | Flood | — | — | — | — | — | County |
| 5 Apr 2020 | Flood | — | — | — | — | — | County |
| 23 May 2019 | Flash Flood | — | — | — | — | — | County |
| 23 May 2019 | Flash Flood | — | — | — | — | — | County |
| 23 May 2019 | Flash Flood | — | — | — | — | — | County |
| 25 Feb 2019 | Flood | — | — | — | — | — | County |
| 14 Feb 2019 | Flood | — | — | — | — | — | County |
| 6 Apr 2018 | Flood | — | — | — | — | — | County |
| 20 Feb 2017 | Flood | — | — | — | — | — | County |
| 9 Jan 2017 | Flood | — | $5.0M | — | — | — | County |
| 3 Dec 2014 | Flash Flood | — | $1K | — | — | — | County |
| 3 Dec 2014 | Flash Flood | — | $1K | — | — | — | County |
| 3 Dec 2014 | Flash Flood | — | $2K | — | — | — | County |
| 3 Dec 2014 | Flash Flood | — | $2K | — | — | — | County |
| 3 Dec 2014 | Flash Flood | — | $50K | — | — | — | County |
| 3 Dec 2014 | Flash Flood | — | $2K | — | — | — | County |
| 3 Dec 2014 | Flood | — | — | — | — | — | County |
| 3 Dec 2014 | Flood | — | — | — | — | — | County |
| 1 Jan 2006 | Flood | — | $2.0M | — | — | — | County |
| 31 Dec 2005 | Flood | — | $1.0M | — | — | — | County |
| 26 Jan 1997 | Flash Flood | — | — | — | — | — | County |
| 26 Jan 1997 | Flash Flood | — | $150K | — | — | — | County |
| 22 Jan 1997 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Placer County had?
63 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.
When was the last recorded flood event in Placer County?
21 Apr 2026 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Placer County?
The flood of 9 Jan 2017, with property damage estimated by NCEI at $5.0M.
How does Placer County compare with California for flood?
4.5 events per 100 square miles against 4.6 statewide; the county holds 63 of the state's 7,136 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.