Hail history for Rock Island County, Illinois
Every NOAA hail report filed in Rock Island County since 1956, with preliminary National Weather Service reports to November 3, 2026.
Readout · Rock Island County
- Last hail
- Apr 2, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 9
- since Nov 3, 2021 · 21 reports
- Largest ever
- 3.00 in
- teacup · Jun 8, 2018
152 reports on 92 days since 1956 · #28 of 103 Illinois counties
Hail map · Rock Island 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 Rock Island County is from April 2, 2026. A local roofer can check and document it at no cost.
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What the record says about Rock Island County
The latest hail report in Rock Island County is from April 2, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 9 separate hail days; the biggest stones in that time were 1.00 in on April 2, 2026.
Over the 20 years 2006–2025, Rock Island County logged 81 reports on 44 hail days, about 4.0 reports a year. That is 56% more than the median Illinois county (2.6 a year) and ranks #28 of 103 Illinois counties for all-time reports. Rock Island County holds 1% of all 12,418 hail reports in Illinois.
5% 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 3.00 in (teacup) on June 8, 2018 near 2.68 ESE Illinois City.
Reports were down 47% in 2016–2025 (28) compared with 2006–2015 (53). The busiest year was 2011, with 11 reports on 4 days. Hail here peaks in April (32% of reports); 76% fall between April and June.
Reports a year 2006–2025 average
- Rock Island County 4.0
- Median Illinois county 2.6
Hail days 2006–2025
- Rock Island County 44
- Median Illinois county 34
Share 2 in or larger of sized reports
- Rock Island County 5%
- Median Illinois county 5%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 6 | 6 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 2 | 2 | 1 | 2 | 7 | ||||||||
| 2023 | 4 | 1 | 5 | ||||||||||
| 2022 | 1 | 2 | 3 | ||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 4 | 4 | |||||||||||
| 2019 | 2 | 2 | |||||||||||
| 2018 | 1 | 2 | 3 | ||||||||||
| 2017 | 1 | 1 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 2, 2026 | 6 | 1.00 in | — |
| May 7, 2024 | 2 | 0.75 in | — |
| Apr 16, 2024 | 1 | 1.00 in | — |
| Mar 4, 2024 | 2 | 1.00 in | — |
| Feb 27, 2024 | 2 | 0.88 in | — |
| May 7, 2023 | 1 | 1.00 in | — |
| Mar 31, 2023 | 4 | 1.00 in | — |
| Jun 6, 2022 | 2 | 1.00 in | — |
| Feb 22, 2022 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jun 8, 2018 | 3.00 inteacup | 2.68 ESE Illinois City | 23:30 local · NCEI |
| Jun 18, 1998 | 3.00 inteacup | Milan | 16:25 local · NCEI |
| May 18, 1997 | 3.00 inteacup | Milan | 19:25 local · NCEI |
| Jun 8, 2018 | 2.75 inbaseball | 2.19 ESE Illinois City | 23:30 local · NCEI |
| Mar 13, 1990 | 2.75 inbaseball | — | 16:05 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 62 41%
- 1–2 in 82 54%
- 2 in + 8 5%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Apr 2, 2026 | 1.00 inquarter | 1.24 WNW Joslin | 16:20 local · NCEI |
| Apr 2, 2026 | 1.00 inquarter | 1.7 ENE Fruitland | 16:10 local · NCEI |
| Apr 2, 2026 | 1.00 inquarter | 0.86 NE Coal Vly | 16:09 local · NCEI |
| Apr 2, 2026 | 1.00 inquarter | 1.24 ESE Silvis Hgts | 16:09 local · NCEI |
| Apr 2, 2026 | 1.00 inquarter | 0.86 SE Silvis | 16:09 local · NCEI |
| Apr 2, 2026 | 0.88 innickel | 1.04 E Coyne Center | 15:51 local · NCEI |
| May 7, 2024 | 0.75 inpenny | 1.73 SW Carbon Cliff | 04:19 local · NCEI |
| May 7, 2024 | 0.75 inpenny | Moline | 04:16 local · NCEI |
| Apr 16, 2024 | 1.00 inquarter | Taylor Ridge | 18:20 local · NCEI |
| Mar 4, 2024 | 1.00 inquarter | 0.69 S Rock Is | 16:00 local · NCEI |
| Mar 4, 2024 | 1.00 inquarter | 0.52 E Rock Is | 16:00 local · NCEI |
| Feb 27, 2024 | 0.75 inpenny | 2.14 NNE Coal Vly | 17:06 local · NCEI |
Cities and towns in Rock Island County
| Place | Reports | Largest |
|---|---|---|
| Moline | 41 | 2.75 in |
| Rock Island | 24 | 3.00 in |
| East Moline | 16 | 1.50 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 |
|---|---|---|---|
| Buffalo Prairie | 8 | 6 | Apr 8, 2020 |
| Andalusia | 7 | 6 | Apr 3, 2011 |
| Joslin | 6 | 6 | Apr 2, 2026 |
| Taylor Ridge | 5 | 5 | Apr 16, 2024 |
| Coyne Center | 4 | 4 | Apr 2, 2026 |
| Milan | 4 | 4 | Aug 2, 2015 |
| Cordova | 3 | 3 | May 26, 2012 |
| Edgington | 3 | 3 | Feb 28, 2017 |
| Illinois City | 3 | 2 | May 13, 2008 |
| Silvis | 3 | 3 | Apr 2, 2026 |
| Port Byron | 2 | 2 | Jun 7, 1980 |
| Rapids City | 2 | 1 | Aug 25, 2014 |
| Reynolds | 2 | 2 | Apr 3, 2014 |
| Carbon Cliff | 1 | 1 | Apr 30, 2003 |
| Hampton | 1 | 1 | Mar 31, 2023 |
| Oak Grove | 1 | 1 | Apr 30, 2006 |
| Rock Island Arsenal | 1 | 1 | Apr 5, 2009 |
Questions about hail in Rock Island County
How often does it hail in Rock Island County, Illinois?
152 hail reports have been logged in Rock Island County since 1956. Over the 20 years 2006–2025 that averages 4.0 reports a year. That ranks #28 of 103 Illinois counties by number of reports.
When is hail season in Rock Island County?
Most reports come in April, June, May. April alone accounts for 32% of all reports.
What is the largest hail recorded in Rock Island County?
3.00 in (teacup size) on June 8, 2018 near 2.68 ESE Illinois City. 5% of reports here were 2 inches or larger.
When did it last hail in Rock Island County?
The most recent report in this data is from April 2, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Rock Island County had in the last five years?
9 separate days with hail reports since November 3, 2021, adding up to 21 reports. The most recent was April 2, 2026.
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.