01 / YEAR-BY-YEAR
EVENT FILE / 17131MINIMUM 5 REPORTS
MERCER · IL
Tornado history
NOAA records coded as Tornado in Mercer during the ten complete years from 2016 through 2025.
Reports11NOAA county-coded rows
Population context71.0per 100,000 residents · 2024 ACS denominator 15,495
Injuries0direct + indirect fields
Fatalities0direct + indirect fields
Not a probability
11 reports in ten years does not mean a 1.1-event annual forecast. Reporting units, event segmentation, coverage, and local exposure all affect the count.
03 / RECORDED CONSEQUENCES
Impact fields on these rows
Damage estimates are nominal values as filed by the reporting source and retained by NOAA.
Property damage$25Knot inflation-adjusted
Crop damage$0not inflation-adjusted
First report year2,017within selected window
Latest report year2,025within selected window
04 / RECENT ROW SAMPLE
Latest records in this slice
Up to eight latest rows are shown for auditability. Open NOAA for complete narratives and revisions.
| Date | Event ID | Source | Magnitude / scale | Filed damage |
|---|---|---|---|---|
| 2025-06-03 | NOAA 1,261,656 | NWS Storm Survey | EF1 | $0 |
| 2025-06-03 | NOAA 1,261,651 | NWS Storm Survey | EF1 | $0 |
| 2025-06-03 | NOAA 1,261,650 | NWS Storm Survey | EF1 | $0 |
| 2025-04-20 | NOAA 1,255,482 | NWS Storm Survey | EF0 | $0 |
| 2024-07-15 | NOAA 1,204,486 | NWS Storm Survey | EF1 | $0 |
| 2022-08-20 | NOAA 1,052,923 | Storm Chaser | EFU | $0 |
| 2022-08-20 | NOAA 1,052,918 | Storm Chaser | EFU | $0 |
| 2020-11-10 | NOAA 924,595 | NWS Storm Survey | EF1 | $0 |