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Flood in Kane County, Illinois
70 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.
Kane County, Illinois, has 70 flood events in the NCEI record since 1950, with at least one in 24 different years.
August is the busiest month, with 17 of the recorded events. The last 20 years account for 52 events against 18 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.1% of the 6,507 flood events recorded in Illinois; its 13.5 per 100 square miles compares with 11.7 statewide.
Compared with Illinois
| Measure | Kane County | Illinois | US |
|---|---|---|---|
| Flood events since 1950 | 70 | 6,507 | 183,559 |
| Per 100 square miles | 13.5 | 11.7 | 5.2 |
| Per 10,000 residents | 1.4 | 5.1 | 5.5 |
| Deaths recorded | 0 | 61 | 2,961 |
| Busiest month | August | June | June |
By year
Seasonality
0Feb
1Mar
1Apr
1May
14Jun
13Jul
13Aug
17Sep
6Oct
3Nov
1Dec
0
Recorded events
All 70 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 |
|---|---|---|---|---|---|---|---|
| 24 Jun 2026 | Flood | — | — | — | — | — | County |
| 17 Aug 2025 | Flash Flood | — | $15K | — | — | — | County |
| 13 Jul 2024 | Flood | — | — | — | — | — | County |
| 5 Jul 2023 | Flash Flood | — | — | — | — | — | County |
| 5 Jul 2022 | Flood | — | — | — | — | — | County |
| 5 Jul 2022 | Flood | — | — | — | — | — | County |
| 29 Jun 2020 | Flood | — | — | — | — | — | County |
| 17 May 2020 | Flood | — | — | — | — | — | County |
| 14 May 2020 | Flash Flood | — | — | — | — | — | County |
| 7 Aug 2018 | Flood | — | — | — | — | — | County |
| 26 Jun 2018 | Flash Flood | — | — | — | — | — | County |
| 26 Jun 2018 | Flash Flood | — | — | — | — | — | County |
| 26 Jun 2018 | Flood | — | — | — | — | — | County |
| 30 May 2018 | Flood | — | — | — | — | — | County |
| 30 May 2018 | Flood | — | — | — | — | — | County |
| 14 Oct 2017 | Flood | — | — | — | — | — | County |
| 21 Jul 2017 | Flood | — | — | — | — | — | County |
| 12 Jul 2017 | Flood | — | — | — | — | — | County |
| 11 Jul 2017 | Flash Flood | — | $500K | — | — | — | County |
| 7 Jul 2016 | Flood | — | — | — | — | — | County |
| 25 May 2016 | Flood | — | — | — | — | — | County |
| 15 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 21 Jun 2014 | Flood | — | — | — | — | — | County |
| 21 Jun 2014 | Flood | — | — | — | — | — | County |
| 12 May 2014 | Flash Flood | — | — | — | — | — | County |
| 17 Nov 2013 | Flood | — | — | — | — | — | County |
| 17 Apr 2013 | Flash Flood | — | — | — | — | — | County |
| 9 Jun 2011 | Flood | — | — | — | — | — | County |
| 29 May 2011 | Flood | — | — | — | — | — | County |
| 11 May 2011 | Flood | — | — | — | — | — | County |
| 11 May 2011 | Flood | — | — | — | — | — | County |
| 13 Aug 2010 | Flood | — | — | — | — | — | County |
| 13 Aug 2010 | Flood | — | — | — | — | — | County |
| 3 Aug 2010 | Flash Flood | — | $100K | — | — | — | County |
| 24 Jul 2010 | Flood | — | — | — | — | — | County |
| 24 Jul 2010 | Flash Flood | — | $100K | — | — | — | County |
| 19 Jun 2009 | Flash Flood | — | — | — | — | — | County |
| 14 Sep 2008 | Flash Flood | — | $3.0M | — | — | — | County |
| 14 Sep 2008 | Flood | — | — | — | — | — | County |
| 13 Sep 2008 | Flash Flood | — | $3.0M | — | — | — | County |
| 13 Sep 2008 | Flood | — | — | — | — | — | County |
| 4 Aug 2008 | Flash Flood | — | — | — | — | — | County |
| 1 Aug 2008 | Flood | — | — | — | — | — | County |
| 23 Aug 2007 | Flood | — | $5.0M | — | — | — | County |
| 23 Aug 2007 | Flood | — | — | — | — | — | County |
| 23 Aug 2007 | Flash Flood | — | — | — | — | — | County |
| 23 Aug 2007 | Flood | — | — | — | — | — | County |
| 23 Aug 2007 | Flash Flood | — | — | — | — | — | County |
| 19 Aug 2007 | Flash Flood | — | — | — | — | — | County |
| 8 Aug 2007 | Flash Flood | — | $250K | — | — | — | County |
| 18 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 1 Mar 2007 | Flood | — | — | — | — | — | County |
| 2 Oct 2006 | Flood | — | — | — | — | — | County |
| 22 Sep 2006 | Flood | — | — | — | — | — | County |
| 22 Sep 2006 | Flood | — | — | — | — | — | County |
| 12 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 30 May 2004 | Flash Flood | — | — | — | — | — | County |
| 30 May 2004 | Flash Flood | — | — | — | — | — | County |
| 21 May 2004 | Flash Flood | — | — | — | — | — | County |
| 20 May 2004 | Flash Flood | — | — | — | — | — | County |
| 22 Aug 2002 | Flood | — | — | — | — | — | Forecast zone |
| 22 Aug 2002 | Flash Flood | — | — | — | — | — | County |
| 9 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 4 Jun 2002 | Flood | — | — | — | — | — | Forecast zone |
| 13 Jun 1999 | Flood | — | — | — | — | — | Forecast zone |
| 17 Oct 1998 | Flood | — | — | — | — | — | County |
| 4 Aug 1998 | Flood | — | — | — | — | — | County |
| 19 May 1998 | Flash Flood | — | — | — | — | — | County |
| 20 Feb 1997 | Flood | — | — | — | — | — | Forecast zone |
| 17 Jul 1996 | Flash Flood | — | $15M | — | — | — | County |
Questions and answers
How many flood events has Kane County had?
70 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 Kane County?
24 Jun 2026 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Kane County?
The flash flood of 17 Jul 1996, with property damage estimated by NCEI at $15M.
How does Kane County compare with Illinois for flood?
13.5 events per 100 square miles against 11.7 statewide; the county holds 70 of the state's 6,507 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.