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Flood in Cass County, Michigan
15 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.
Cass County, Michigan, has 15 flood events in the NCEI record since 1950, with at least one in 11 different years.
June is the busiest month, with 5 of the recorded events. The last 20 years account for 10 events against 5 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.1% of the 1,305 flood events recorded in Michigan; its 3.1 per 100 square miles compares with 2.3 statewide.
Compared with Michigan
| Measure | Cass County | Michigan | US |
|---|---|---|---|
| Flood events since 1950 | 15 | 1,305 | 183,559 |
| Per 100 square miles | 3.1 | 2.3 | 5.2 |
| Per 10,000 residents | 2.9 | 1.3 | 5.5 |
| Deaths recorded | 0 | 12 | 2,961 |
| Busiest month | June | May | June |
By year
Seasonality
0Feb
2Mar
0Apr
0May
2Jun
5Jul
3Aug
2Sep
1Oct
0Nov
0Dec
0
Recorded events
All 15 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 |
|---|---|---|---|---|---|---|---|
| 25 Jun 2024 | Flood | — | $10K | — | — | — | County |
| 25 Jun 2024 | Flood | — | $5K | — | — | — | County |
| 17 Jul 2022 | Flood | — | $1K | — | — | — | County |
| 9 Jun 2018 | Flash Flood | — | — | — | — | — | County |
| 20 Feb 2018 | Flood | — | $550K | — | — | — | County |
| 16 Aug 2016 | Flash Flood | — | — | — | — | — | County |
| 18 Jul 2015 | Flood | — | — | — | — | — | County |
| 23 Jun 2014 | Flash Flood | — | — | — | — | — | County |
| 13 Sep 2008 | Flood | — | $500K | — | — | — | County |
| 7 Aug 2007 | Flash Flood | — | — | — | — | — | County |
| 16 Jul 2005 | Flash Flood | — | — | — | — | — | County |
| 21 Feb 1997 | Flash Flood | — | — | — | — | — | County |
| 9 Jun 1996 | Flash Flood | — | — | — | — | — | County |
| 10 May 1996 | Flash Flood | — | — | — | — | — | County |
| 9 May 1996 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Cass County had?
15 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 Cass County?
25 Jun 2024 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Cass County?
The flood of 20 Feb 2018, with property damage estimated by NCEI at $550K.
How does Cass County compare with Michigan for flood?
3.1 events per 100 square miles against 2.3 statewide; the county holds 15 of the state's 1,305 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.