Hail History

Hail history for St. Clair County, Illinois

Every NOAA hail report filed in St. Clair County since 1955, with preliminary National Weather Service reports to November 3, 2026.

Readout · St. Clair County

Last hail
Apr 27, 2026
1.00 in, quarter size
Hail days, last 5 years
14
since Nov 3, 2021 · 33 reports
Largest ever
3.50 in
teacup · Apr 28, 2012

319 reports on 187 days since 1955 · #4 of 103 Illinois counties

Hail map · St. Clair County

Belleville Mascoutah O'Fallon Freeburg New Athens Cahokia Heights Marissa Scott AFB Millstadt Shiloh 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
300 most recent reports with a location. Dot size and colour follow hail size. 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 St. Clair County is from April 27, 2026. A local roofer can check and document it at no cost.

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What the record says about St. Clair County

The latest hail report in St. Clair County is from April 27, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 14 separate hail days; the biggest stones in that time were 2.50 in on July 17, 2023.

Over the 20 years 2006–2025, St. Clair County logged 170 reports on 90 hail days, about 8.5 reports a year. That is 3.3 times the median Illinois county (2.6 a year) and ranks #4 of 103 Illinois counties for all-time reports. St. Clair County holds 3% of all 12,418 hail reports in Illinois.

6% 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 3.50 in (teacup) on April 28, 2012 near 0.81 SW Carbon.

Reports were down 52% in 2016–2025 (55) compared with 2006–2015 (115). The busiest year was 2008, with 25 reports on 8 days. Hail here peaks in April (29% of reports); 66% fall between April and June.

Reports a year 2006–2025 average

  • St. Clair County 8.5
  • Median Illinois county 2.6

Hail days 2006–2025

  • St. Clair County 90
  • Median Illinois county 34

Share 2 in or larger of sized reports

  • St. Clair County 6%
  • Median Illinois county 5%

Hail over time

0102030 1955: 1 reports, largest 1.25 in 1956: 1 reports, largest 1.00 in 1957: 2 reports, largest 1.00 in 1958: 1 reports, largest 0.75 in 1960 1961: 1 reports, largest 2.00 in 1962: 1 reports, largest 0.75 in 1964: 1 reports, largest 2.00 in 1968: 1 reports, largest 0.75 in 1970: 2 reports, largest 1.50 in 1970 1971: 1 reports, largest 0.75 in 1972: 4 reports, largest 1.75 in 1973: 1 reports, largest 1.00 in 1974: 7 reports, largest 2.75 in 1975: 4 reports, largest 2.00 in 1976: 2 reports, largest 3.00 in 1977: 1 reports, largest 1.00 in 1978: 5 reports, largest 1.75 in 1980: 2 reports, largest 1.00 in 1980 1982: 5 reports, largest 1.75 in 1983: 2 reports, largest 1.00 in 1984: 3 reports, largest 1.75 in 1985: 1 reports, largest 2.00 in 1986: 2 reports, largest 1.00 in 1987: 5 reports, largest 3.50 in 1988: 2 reports, largest 1.75 in 1989: 3 reports, largest 2.00 in 1990: 1 reports, largest 0.75 in 1990 1992: 3 reports, largest 1.75 in 1993: 3 reports, largest 1.75 in 1994: 8 reports, largest 1.75 in 1995: 4 reports, largest 1.75 in 1996: 12 reports, largest 2.00 in 1997: 2 reports, largest 1.00 in 1998: 8 reports, largest 1.75 in 1999: 3 reports, largest 1.00 in 2000: 12 reports, largest 1.75 in 2000 2002: 4 reports, largest 1.00 in 2003: 10 reports, largest 1.75 in 2004: 11 reports, largest 1.25 in 2005: 6 reports, largest 1.00 in 2006: 19 reports, largest 1.75 in 2007: 16 reports, largest 1.00 in 2008: 25 reports, largest 1.75 in 2009: 9 reports, largest 2.00 in 2010: 14 reports, largest 1.75 in 2010 2011: 6 reports, largest 1.75 in 2012: 17 reports, largest 3.50 in 2013: 2 reports, largest 1.00 in 2014: 4 reports, largest 1.00 in 2015: 3 reports, largest 1.00 in 2016: 4 reports, largest 2.00 in 2017: 9 reports, largest 1.50 in 2018: 4 reports, largest 1.50 in 2019: 6 reports, largest 1.25 in 2020 2022: 2 reports, largest 1.00 in 2023: 10 reports, largest 2.50 in 2024: 5 reports, largest 1.75 in 2025: 15 reports, largest 1.75 in 2026: 1 reports, largest 1.00 in
Reports per year, 1955–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0255075100 January: 2 reports (1%) Jan February: 6 reports (2%) Feb March: 31 reports (10%) Mar April: 94 reports (29%) Apr May: 85 reports (27%) May June: 33 reports (10%) Jun July: 33 reports (10%) Jul August: 17 reports (5%) Aug September: 4 reports (1%) Sep October: 5 reports (2%) Oct November: 7 reports (2%) Nov December: 2 reports (1%) Dec
All 319 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 132 15
2024 32 5
2023 1612 10
2022 2 2
2021 0
2020 0
2019 2121 6
2018 1111 4
2017 21321 9

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 27, 2026 1 1.00 in —
Apr 2, 2025 2 1.75 in —
Mar 30, 2025 4 1.50 in —
Mar 14, 2025 9 1.75 in —
May 26, 2024 1 1.75 in —
May 8, 2024 1 1.00 in —
Mar 14, 2024 3 1.75 in —
Jul 17, 2023 2 2.50 in —
Jun 30, 2023 1 1.00 in —
May 14, 2023 2 1.50 in —
May 7, 2023 4 1.75 in —
Mar 31, 2023 1 1.75 in —
May 19, 2022 1 1.00 in —
May 14, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in St. Clair County
Date Size Location Time · source
Apr 28, 2012 3.50 inteacup 0.81 SW Carbon 15:05 local · NCEI
Jul 6, 1987 3.50 inteacup — 11:05 local · NCEI
Jul 6, 1987 3.50 inteacup — 10:50 local · NCEI
Apr 28, 2012 3.00 inteacup 1.14 NNE Ogles 15:24 local · NCEI
Mar 20, 1976 3.00 inteacup — 12:00 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 St. Clair County
Date Size Location Time · source
Apr 27, 2026 1.00 inquarter 1.75 SW Belleville 04:41 local · NCEI
Apr 2, 2025 1.75 ingolf ball 1.38 N Willard 15:44 local · NCEI
Apr 2, 2025 1.25 inhalf dollar 0.54 W French Vlg 15:38 local · NCEI
Mar 30, 2025 1.50 inping pong ball 1.63 E New Athens 13:34 local · NCEI
Mar 30, 2025 1.50 inping pong ball 1.29 ESE New Athens 13:31 local · NCEI
Mar 30, 2025 1.00 inquarter 0.54 E Atlee Ogles 12:52 local · NCEI
Mar 30, 2025 1.00 inquarter 1.48 SSE Imbs 12:42 local · NCEI
Mar 14, 2025 1.00 inquarter Shiloh 21:45 local · NCEI
Mar 14, 2025 1.00 inquarter 0.88 SW O Fallon 21:30 local · NCEI
Mar 14, 2025 1.00 inquarter 1.38 N Willard 21:28 local · NCEI
Mar 14, 2025 1.00 inquarter 0.88 NE Shiloh 21:28 local · NCEI
Mar 14, 2025 1.00 inquarter 1.48 SSE Imbs 21:27 local · NCEI

Cities and towns in St. Clair County

PlaceReportsLargest
Belleville613.50 in
Mascoutah322.00 in
O'Fallon263.50 in
Freeburg201.75 in
New Athens201.75 in
Cahokia Heights182.75 in
Marissa182.00 in
Scott AFB132.00 in
Millstadt111.00 in
Shiloh112.00 in
Caseyville101.75 in
Dupo101.75 in
Fairview Heights102.50 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.

PlaceReportsHail daysLatest
Smithton77Mar 14, 2024
Swansea76Apr 3, 2007
East St. Louis66Mar 30, 2017
Lebanon55Apr 29, 2017
Fairmont City43Apr 30, 2016
Fayetteville33Jun 30, 2023
Brooklyn22Jun 1, 1989
Floraville22May 4, 2012
Summerfield22Jul 21, 2006
Washington Park11Nov 9, 1984

Questions about hail in St. Clair County

How often does it hail in St. Clair County, Illinois?

319 hail reports have been logged in St. Clair County since 1955. Over the 20 years 2006–2025 that averages 8.5 reports a year. That ranks #4 of 103 Illinois counties by number of reports.

When is hail season in St. Clair County?

Most reports come in April, May, June. April alone accounts for 29% of all reports.

What is the largest hail recorded in St. Clair County?

3.50 in (teacup size) on April 28, 2012 near 0.81 SW Carbon. 6% of reports here were 2 inches or larger.

When did it last hail in St. Clair County?

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 St. Clair County had in the last five years?

14 separate days with hail reports since November 3, 2021, adding up to 33 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.