Hail history for Piatt County, Illinois
Every NOAA hail report filed in Piatt County since 1972, with preliminary National Weather Service reports to November 3, 2026.
Readout · Piatt County
- Last hail
- Nov 18, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 4
- since Nov 3, 2021 · 6 reports
- Largest ever
- 4.00 in
- grapefruit · Aug 26, 2000
57 reports on 44 days since 1972 · #82 of 103 Illinois counties
Hail map · Piatt County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Piatt County is from November 18, 2025. A local roofer can check and document it at no cost.
What the record says about Piatt County
The latest hail report in Piatt County is from November 18, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 4 separate hail days; the biggest stones in that time were 1.75 in on June 29, 2023.
Over the 20 years 2006–2025, Piatt County logged 30 reports on 20 hail days, about 1.5 reports a year. That is 42% less than the median Illinois county (2.6 a year) and ranks #82 of 103 Illinois counties for all-time reports. Piatt County holds 0% of all 12,418 hail reports in Illinois.
9% of reports with a size were 2 inches (hen egg) or larger, against 5% for the median Illinois county. The largest hail on record here is 4.00 in (grapefruit) on August 26, 2000 near Bement.
Reports were down 33% in 2016–2025 (12) compared with 2006–2015 (18). The busiest year was 2009, with 5 reports on 2 days. Hail here peaks in May (37% of reports); 70% fall between April and June.
Reports a year 2006–2025 average
- Piatt County 1.5
- Median Illinois county 2.6
Hail days 2006–2025
- Piatt County 20
- Median Illinois county 34
Share 2 in or larger of sized reports
- Piatt County 9%
- Median Illinois county 5%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 1 | 1 | 2 | ||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 3 | 3 | |||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Nov 18, 2025 | 1 | 1.00 in | — |
| May 20, 2025 | 1 | 1.00 in | — |
| Jun 29, 2023 | 3 | 1.75 in | — |
| Apr 30, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Aug 26, 2000 | 4.00 ingrapefruit | Bement | — | 20:10 local · NCEI |
| May 15, 2009 | 2.75 inbaseball | 1.32 W Monticello | $255K | 17:50 local · NCEI |
| May 28, 2019 | 2.50 intennis ball | Deland | — | 13:15 local · NCEI |
| May 11, 2016 | 2.00 inhen egg | 4 W Monticello | — | 14:21 local · NCEI |
| May 21, 2014 | 2.00 inhen egg | White Heath | — | 16:20 local · NCEI |
Size of every report
- Under 1 in 27 47%
- 1–2 in 25 44%
- 2 in + 5 9%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Nov 18, 2025 | 1.00 inquarter | Cerro Gordo | 13:28 local · NCEI |
| May 20, 2025 | 1.00 inquarter | 0.69 N Cisco | 15:03 local · NCEI |
| Jun 29, 2023 | 1.00 inquarter | 4 S Mansfield | 05:15 local · NCEI |
| Jun 29, 2023 | 1.75 ingolf ball | Monticello | 05:15 local · NCEI |
| Jun 29, 2023 | 1.00 inquarter | 2 NE Cisco | 05:01 local · NCEI |
| Apr 30, 2022 | 1.00 inquarter | Bement | 18:30 local · NCEI |
| May 28, 2019 | 2.50 intennis ball | Deland | 13:15 local · NCEI |
| May 9, 2018 | 1.00 inquarter | 3 N Cisco | 18:10 local · NCEI |
| May 11, 2016 | 0.88 innickel | Monticello | 14:24 local · NCEI |
| May 11, 2016 | 2.00 inhen egg | 4 W Monticello | 14:21 local · NCEI |
| May 11, 2016 | 0.75 inpenny | 1.26 ESE Cisco | 14:05 local · NCEI |
| Mar 31, 2016 | 0.75 inpenny | Monticello | 12:23 local · NCEI |
Cities and towns in Piatt County
| Place | Reports | Largest |
|---|---|---|
| Monticello | 17 | 2.75 in |
| Cisco | 10 | 1.75 in |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Bement | 5 | 4 | Apr 30, 2022 |
| Cerro Gordo | 4 | 4 | Nov 18, 2025 |
| Atwood | 3 | 1 | Apr 10, 1999 |
| De Land | 3 | 3 | May 28, 2019 |
| LaPlace | 3 | 3 | Apr 5, 2010 |
| White Heath | 3 | 3 | May 21, 2014 |
| Mansfield | 2 | 2 | Jun 29, 2023 |
| Hammond | 1 | 1 | Sep 4, 2015 |
Questions about hail in Piatt County
How often does it hail in Piatt County, Illinois?
57 hail reports have been logged in Piatt County since 1972. Over the 20 years 2006–2025 that averages 1.5 reports a year. That ranks #82 of 103 Illinois counties by number of reports.
When is hail season in Piatt County?
Most reports come in May, April, August. May alone accounts for 37% of all reports.
What is the largest hail recorded in Piatt County?
4.00 in (grapefruit size) on August 26, 2000 near Bement. 9% of reports here were 2 inches or larger.
When did it last hail in Piatt County?
The most recent report in this data is from November 18, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Piatt County had in the last five years?
4 separate days with hail reports since November 3, 2021, adding up to 6 reports. The most recent was November 18, 2025.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.