Hail History

Hail history for Rock Island, Illinois

NOAA hail reports in and within about 5 km (3 miles) of Rock Island since 1962, with preliminary reports to November 3, 2026.

Readout · Rock Island

Last hail
Mar 4, 2024
1.00 in, quarter size
Hail days, last 5 years
2
since Nov 3, 2021 · 3 reports
Largest ever
3.00 in
teacup · Jun 18, 1998

24 reports on 18 days since 1962 · #88 of 378 Illinois places

Hail map · Rock Island

Rock Island Moline Coal Valley East Moline Colona Orion Geneseo 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
24 most recent reports with a location; Rock Island County is shaded. Open street map

For homeowners

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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 is from March 4, 2024. A local roofer can check and document it at no cost.

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What the record says about Rock Island

The latest hail report in and around Rock Island is from March 4, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on March 4, 2024.

Over the 20 years 2006–2025, Rock Island logged 17 reports on 11 hail days, about 0.8 reports a year. That is 70% more than the median Illinois town on this site (0.5 a year) and ranks #88 of 378 Illinois cities and towns on this site for all-time reports. Rock Island accounts for 16% of the 152 reports filed in Rock Island County.

13% of reports with a size were 2 inches (hen egg) or larger, against 4% for the median Illinois town on this site. The largest hail on record here is 3.00 in (teacup) on June 18, 1998 near Milan.

Reports were down 69% in 2016–2025 (4) compared with 2006–2015 (13). The busiest year was 2015, with 3 reports on 1 day. Hail here peaks in June (21% of reports); 54% fall between April and June.

Reports a year 2006–2025 average

  • Rock Island 0.8
  • Rock Island County 4.0
  • Median Illinois town on this site 0.5

Hail days 2006–2025

  • Rock Island 11
  • Rock Island County 44
  • Median Illinois town on this site 8

Share 2 in or larger of sized reports

  • Rock Island 13%
  • Rock Island County 5%
  • Median Illinois town on this site 4%

Hail over time

0123 1962: 1 reports, largest 1.00 in 1970 1980 1990 1997: 1 reports, largest 3.00 in 1998: 1 reports, largest 3.00 in 2000: 2 reports, largest 0.88 in 2000 2003: 1 reports, largest 0.88 in 2004: 1 reports, largest 0.88 in 2006: 2 reports, largest 0.88 in 2007: 3 reports, largest 1.00 in 2008: 1 reports, largest 0.75 in 2010 2011: 2 reports, largest 1.00 in 2013: 1 reports, largest 0.88 in 2014: 1 reports, largest 1.00 in 2015: 3 reports, largest 2.00 in 2020 2021: 1 reports, largest 1.00 in 2023: 1 reports, largest 1.00 in 2024: 2 reports, largest 1.00 in
Reports per year, 1962–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb March: 3 reports (13%) Mar April: 4 reports (17%) Apr May: 4 reports (17%) May June: 5 reports (21%) Jun July: 2 reports (8%) Jul August: 5 reports (21%) Aug September: 1 reports (4%) Sep Oct Nov Dec
All 24 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 2 2
2023 1 1
2022 0
2021 1 1
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Mar 4, 2024 2 1.00 in —
Mar 31, 2023 1 1.00 in —

Largest hail on record

Largest hail reports in Rock Island
Date Size Location County Time · source
Jun 18, 1998 3.00 inteacup Milan Rock Island 16:25 local · NCEI
May 18, 1997 3.00 inteacup Milan Rock Island 19:25 local · NCEI
Aug 2, 2015 2.00 inhen egg 0.86 NW Blackhawk State Park Rock Island 20:07 local · NCEI
Aug 2, 2015 1.50 inping pong ball 0.86 NW Blackhawk State Park Rock Island 20:07 local · NCEI
Aug 2, 2015 1.25 inhalf dollar 0.86 NW Blackhawk State Park Rock Island 20:06 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Rock Island
Date Size Location County Time · source
Mar 4, 2024 1.00 inquarter 0.69 S Rock Is Rock Island 16:00 local · NCEI
Mar 4, 2024 1.00 inquarter 0.52 E Rock Is Rock Island 16:00 local · NCEI
Mar 31, 2023 1.00 inquarter 1.55 W Moline Rock Island 14:20 local · NCEI
Aug 11, 2021 1.00 inquarter 0.86 SE Blackhawk State Park Rock Island 07:01 local · NCEI
Aug 2, 2015 1.50 inping pong ball 0.86 NW Blackhawk State Park Rock Island 20:07 local · NCEI
Aug 2, 2015 2.00 inhen egg 0.86 NW Blackhawk State Park Rock Island 20:07 local · NCEI
Aug 2, 2015 1.25 inhalf dollar 0.86 NW Blackhawk State Park Rock Island 20:06 local · NCEI
Aug 1, 2014 1.00 inquarter 0.52 E Rock Is Rock Island 17:36 local · NCEI
Jul 22, 2013 0.88 innickel 0.92 NNE Rock Is Rock Island 20:42 local · NCEI
Apr 9, 2011 0.75 inpenny 0.86 NW Blackhawk State Park Rock Island 02:54 local · NCEI
Apr 3, 2011 1.00 inquarter 0.86 NW Blackhawk State Park Rock Island 19:50 local · NCEI
Jun 12, 2008 0.75 inpenny 0.86 NW Blackhawk State Park Rock Island 18:40 local · NCEI

Hail history near Rock Island

Questions about hail in Rock Island

How often does it hail in Rock Island, Illinois?

24 hail reports have been logged in and within about 5 km (3 miles) of Rock Island since 1962. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #88 of 378 Illinois places by number of reports.

When is hail season in Rock Island?

Most reports come in June, August, April. June alone accounts for 21% of all reports.

What is the largest hail recorded in Rock Island?

3.00 in (teacup size) on June 18, 1998 near Milan. 13% of reports here were 2 inches or larger.

When did it last hail in Rock Island?

The most recent report in this data is from March 4, 2024 (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 had in the last five years?

2 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was March 4, 2024.

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.