Hail History

Hail history for Jersey County, Illinois

Every NOAA hail report filed in Jersey County since 1959, with preliminary National Weather Service reports to November 3, 2026.

Readout · Jersey County

Last hail
Apr 27, 2026
2.50 in, tennis ball size
Hail days, last 5 years
3
since Nov 3, 2021 · 5 reports
Largest ever
2.50 in
tennis ball · Apr 27, 2026

85 reports on 56 days since 1959 · #55 of 103 Illinois counties

Hail map · Jersey County

Jerseyville Grafton Fieldon 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
85 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 Jersey 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 Jersey County

The latest hail report in Jersey County is from April 27, 2026, 2.50 in (tennis ball size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 2.50 in on April 27, 2026.

Over the 20 years 2006–2025, Jersey County logged 43 reports on 24 hail days, about 2.1 reports a year. That is 17% less than the median Illinois county (2.6 a year) and ranks #55 of 103 Illinois counties for all-time reports. Jersey County holds 1% 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 2.50 in (tennis ball) on April 27, 2026 near 0.54 W Jerseyville.

Reports were down 87% in 2016–2025 (5) compared with 2006–2015 (38). The busiest year was 2006, with 9 reports on 4 days. Hail here peaks in May (32% of reports); 80% fall between April and June.

Reports a year 2006–2025 average

  • Jersey County 2.1
  • Median Illinois county 2.6

Hail days 2006–2025

  • Jersey County 24
  • Median Illinois county 34

Share 2 in or larger of sized reports

  • Jersey County 6%
  • Median Illinois county 5%

Hail over time

0369 1959: 1 reports, largest 1.00 in 1960 1961: 1 reports, largest 1.50 in 1963: 1 reports, largest 1.00 in 1970 1974: 2 reports, largest 2.00 in 1979: 1 reports, largest 1.75 in 1980: 2 reports, largest 1.00 in 1980 1982: 1 reports, largest 0.75 in 1983: 1 reports, largest 1.75 in 1984: 1 reports, largest 1.75 in 1990: 1 reports, largest 1.00 in 1990 1991: 1 reports, largest 1.75 in 1996: 1 reports, largest 1.75 in 1997: 1 reports, largest 1.00 in 1998: 5 reports, largest 1.75 in 1999: 1 reports, largest 0.75 in 2000: 3 reports, largest 1.75 in 2000 2001: 1 reports, largest 0.75 in 2002: 1 reports, largest 1.75 in 2003: 5 reports, largest 1.75 in 2004: 3 reports, largest 1.00 in 2005: 5 reports, largest 1.75 in 2006: 9 reports, largest 2.50 in 2007: 1 reports, largest 0.75 in 2008: 7 reports, largest 1.00 in 2009: 2 reports, largest 1.25 in 2010: 5 reports, largest 1.75 in 2010 2011: 7 reports, largest 2.00 in 2012: 1 reports, largest 0.88 in 2013: 1 reports, largest 0.88 in 2014: 2 reports, largest 1.00 in 2015: 3 reports, largest 2.25 in 2016: 2 reports, largest 0.75 in 2017: 1 reports, largest 0.88 in 2020 2023: 2 reports, largest 1.00 in 2026: 3 reports, largest 2.50 in
Reports per year, 1959–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0102030 Jan February: 6 reports (7%) Feb March: 5 reports (6%) Mar April: 20 reports (24%) Apr May: 27 reports (32%) May June: 21 reports (25%) Jun Jul August: 1 reports (1%) Aug Sep October: 4 reports (5%) Oct November: 1 reports (1%) Nov Dec
All 85 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 3 3
2025 0
2024 0
2023 11 2
2022 0
2021 0
2020 0
2019 0
2018 0
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 27, 2026 3 2.50 in —
Apr 20, 2023 1 1.00 in —
Feb 22, 2023 1 1.00 in —

Largest hail on record

Largest hail reports in Jersey County
Date Size Location Time · source
Apr 27, 2026 2.50 intennis ball 0.54 W Jerseyville 17:00 local · NCEI
Jun 22, 2006 2.50 intennis ball Elsah 15:20 local · NCEI
Apr 9, 2015 2.25 inhen egg 0.98 W Otterville 17:35 local · NCEI
Jun 25, 2011 2.00 inhen egg Grafton 18:40 local · NCEI
Mar 29, 1974 2.00 inhen egg — 13:00 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 Jersey County
Date Size Location Time · source
Apr 27, 2026 2.50 intennis ball 0.54 W Jerseyville 17:00 local · NCEI
Apr 27, 2026 1.00 inquarter 1.38 N Jerseyville 16:58 local · NCEI
Apr 27, 2026 1.50 inping pong ball 0.54 W Jerseyville 16:55 local · NCEI
Apr 20, 2023 1.00 inquarter 0.58 N Fieldon 15:59 local · NCEI
Feb 22, 2023 1.00 inquarter 3.83 W Monument 07:50 local · NCEI
Feb 28, 2017 0.88 innickel 0.78 SW Dow 16:18 local · NCEI
Oct 20, 2016 0.75 inpenny Jerseyville 00:10 local · NCEI
Apr 27, 2016 0.75 inpenny 2.89 SE Beltrees 21:11 local · NCEI
Jun 25, 2015 0.75 inpenny 1.03 W Otterville 17:00 local · NCEI
Apr 9, 2015 2.25 inhen egg 0.98 W Otterville 17:35 local · NCEI
Apr 8, 2015 0.88 innickel Jerseyville 19:06 local · NCEI
May 10, 2014 1.00 inquarter 0.75 SW Dow 22:25 local · NCEI

Cities and towns in Jersey County

PlaceReportsLargest
Jerseyville272.50 in
Grafton152.00 in
Fieldon101.75 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.

PlaceReportsHail daysLatest
Otterville66Jun 25, 2015
Elsah53Apr 10, 2013

Questions about hail in Jersey County

How often does it hail in Jersey County, Illinois?

85 hail reports have been logged in Jersey County since 1959. Over the 20 years 2006–2025 that averages 2.1 reports a year. That ranks #55 of 103 Illinois counties by number of reports.

When is hail season in Jersey County?

Most reports come in May, June, April. May alone accounts for 32% of all reports.

What is the largest hail recorded in Jersey County?

2.50 in (tennis ball size) on April 27, 2026 near 0.54 W Jerseyville. 6% of reports here were 2 inches or larger.

When did it last hail in Jersey County?

The most recent report in this data is from April 27, 2026 (2.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Jersey County had in the last five years?

3 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.