Hail History

Hail history for Glen Carbon, Illinois

NOAA hail reports in and within about 5 km (3 miles) of Glen Carbon since 1981, with preliminary reports to November 3, 2026.

Readout · Glen Carbon

Last hail
Apr 27, 2026
1.00 in, quarter size
Hail days, last 5 years
4
since Nov 3, 2021 · 5 reports
Largest ever
1.75 in
golf ball · Jun 15, 2010

19 reports on 17 days since 1981 · #125 of 378 Illinois places

Hail map · Glen Carbon

Glen Carbon Edwardsville Collinsville Troy Granite City Wood River Bethalto 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
19 most recent reports with a location; Madison County is shaded. Open street map

For homeowners

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What the record says about Glen Carbon

The latest hail report in and around Glen Carbon is from April 27, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 4 separate hail days; the biggest stones in that time were 1.00 in on April 27, 2026.

Over the 20 years 2006–2025, Glen Carbon logged 15 reports on 13 hail days, about 0.8 reports a year. That is 50% more than the median Illinois town on this site (0.5 a year) and ranks #125 of 378 Illinois cities and towns on this site for all-time reports. Glen Carbon accounts for 6% of the 325 reports filed in Madison County.

0% 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 1.75 in (golf ball) on June 15, 2010 near Glen Carbon.

Reports were down 50% in 2016–2025 (5) compared with 2006–2015 (10). The busiest year was 2025, with 3 reports on 2 days. Hail here peaks in April (42% of reports); 74% fall between April and June.

Reports a year 2006–2025 average

  • Glen Carbon 0.8
  • Madison County 10.4
  • Median Illinois town on this site 0.5

Hail days 2006–2025

  • Glen Carbon 13
  • Madison County 95
  • Median Illinois town on this site 8

Share 2 in or larger of sized reports

  • Glen Carbon 0%
  • Madison County 5%
  • Median Illinois town on this site 4%

Hail over time

0123 1981: 1 reports, largest 1.75 in 1990 2000 2001: 1 reports, largest 1.75 in 2003: 1 reports, largest 1.00 in 2006: 2 reports, largest 0.75 in 2007: 1 reports, largest 1.00 in 2008: 2 reports, largest 1.00 in 2009: 1 reports, largest 1.50 in 2010: 1 reports, largest 1.75 in 2010 2011: 3 reports, largest 1.00 in 2017: 1 reports, largest 1.00 in 2020 2023: 1 reports, largest 1.00 in 2025: 3 reports, largest 1.00 in 2026: 1 reports, largest 1.00 in
Reports per year, 1981–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb March: 3 reports (16%) Mar April: 8 reports (42%) Apr May: 3 reports (16%) May June: 3 reports (16%) Jun July: 1 reports (5%) Jul August: 1 reports (5%) Aug Sep Oct Nov Dec
All 19 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 21 3
2024 0
2023 1 1
2022 0
2021 0
2020 0
2019 0
2018 0
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 27, 2026 1 1.00 in —
May 16, 2025 1 1.00 in —
Mar 14, 2025 2 1.00 in —
Jun 30, 2023 1 1.00 in —

Largest hail on record

Largest hail reports in Glen Carbon
Date Size Location County Time · source
Jun 15, 2010 1.75 ingolf ball Glen Carbon Madison 12:33 local · NCEI
Apr 10, 2001 1.75 ingolf ball Glen Carbon Madison 20:39 local · NCEI
Apr 28, 1981 1.75 ingolf ball — Madison 19:17 local · NCEI
Jun 8, 2009 1.50 inping pong ball Glen Carbon Madison 16:00 local · NCEI
Apr 27, 2026 1.00 inquarter 0.69 N Glen Carbon Crossing Madison 13:21 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

Most recent reports

Most recent hail reports in Glen Carbon
Date Size Location County Time · source
Apr 27, 2026 1.00 inquarter 0.69 N Glen Carbon Crossing Madison 13:21 local · NCEI
May 16, 2025 1.00 inquarter 1.28 WNW Glen Carbon Madison 14:01 local · NCEI
Mar 14, 2025 1.00 inquarter 1.08 E Glen Carbon Crossing Madison 21:06 local · NCEI
Mar 14, 2025 1.00 inquarter 1.48 NNE Glen Carbon Crossing Madison 21:00 local · NCEI
Jun 30, 2023 1.00 inquarter 0.49 W Glen Carbon Madison 20:49 local · NCEI
Mar 30, 2017 1.00 inquarter 2 WNW Glen Carbon Madison 11:40 local · NCEI
Apr 23, 2011 0.88 innickel Glen Carbon Madison 16:10 local · NCEI
Apr 19, 2011 1.00 inquarter Glen Carbon Madison 18:58 local · NCEI
Apr 9, 2011 1.00 inquarter Glen Carbon Madison 04:40 local · NCEI
Jun 15, 2010 1.75 ingolf ball Glen Carbon Madison 12:33 local · NCEI
Jun 8, 2009 1.50 inping pong ball Glen Carbon Madison 16:00 local · NCEI
May 25, 2008 1.00 inquarter Glen Carbon Madison 12:28 local · NCEI

Hail history near Glen Carbon

Questions about hail in Glen Carbon

How often does it hail in Glen Carbon, Illinois?

19 hail reports have been logged in and within about 5 km (3 miles) of Glen Carbon since 1981. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #125 of 378 Illinois places by number of reports.

When is hail season in Glen Carbon?

Most reports come in April, March, May. April alone accounts for 42% of all reports.

What is the largest hail recorded in Glen Carbon?

1.75 in (golf ball size) on June 15, 2010 near Glen Carbon. 0% of reports here were 2 inches or larger.

When did it last hail in Glen Carbon?

The most recent report in this data is from April 27, 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 Glen Carbon had in the last five years?

4 separate days with hail reports since November 3, 2021, adding up to 5 reports. The most recent was April 27, 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.