Hail History

Hail history for Hillsboro, Illinois

NOAA hail reports in and within about 5 km (3 miles) of Hillsboro since 1998, with preliminary reports to November 3, 2026.

Readout · Hillsboro

Last hail
May 7, 2023
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
2.50 in
tennis ball · May 28, 2011

14 reports on 13 days since 1998 · #199 of 378 Illinois places

Hail map · Hillsboro

Hillsboro Litchfield Nokomis Gillespie Ramsey Staunton Carlinville 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
14 most recent reports with a location; Montgomery County is shaded. Open street map

For homeowners

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What the record says about Hillsboro

The latest hail report in and around Hillsboro is from May 7, 2023, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on May 7, 2023.

Over the 20 years 2006–2025, Hillsboro logged 6 reports on 6 hail days, about 0.3 reports a year. That is 40% less than the median Illinois town on this site (0.5 a year) and ranks #199 of 378 Illinois cities and towns on this site for all-time reports. Hillsboro accounts for 10% of the 137 reports filed in Montgomery County.

7% 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 2.50 in (tennis ball) on May 28, 2011 near 0.87 NW Hillsboro.

The busiest year was 2004, with 4 reports on 3 days. Hail here peaks in May (43% of reports); 79% fall between April and June.

Reports a year 2006–2025 average

  • Hillsboro 0.3
  • Montgomery County 3.0
  • Median Illinois town on this site 0.5

Hail days 2006–2025

  • Hillsboro 6
  • Montgomery County 37
  • Median Illinois town on this site 8

Share 2 in or larger of sized reports

  • Hillsboro 7%
  • Montgomery County 7%
  • Median Illinois town on this site 4%

Hail over time

01234 1998: 1 reports, largest 1.75 in 2000: 1 reports, largest 1.00 in 2000 2002: 1 reports, largest 0.75 in 2003: 1 reports, largest 0.75 in 2004: 4 reports, largest 1.75 in 2005 2006: 1 reports, largest 1.50 in 2007: 1 reports, largest 0.75 in 2010 2011: 2 reports, largest 2.50 in 2014: 1 reports, largest 0.88 in 2015 2020 2023: 1 reports, largest 1.00 in 2025
Reports per year, 1998–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan February: 1 reports (7%) Feb Mar April: 5 reports (36%) Apr May: 6 reports (43%) May Jun Jul Aug Sep October: 2 reports (14%) Oct Nov Dec
All 14 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 1 1
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 7, 2023 1 1.00 in —

Largest hail on record

Largest hail reports in Hillsboro
Date Size Location County Time · source
May 28, 2011 2.50 intennis ball 0.87 NW Hillsboro Montgomery 13:37 local · NCEI
Oct 18, 2004 1.75 ingolf ball Hillsboro Montgomery 17:21 local · NCEI
May 30, 2004 1.75 ingolf ball Hillsboro Montgomery 15:40 local · NCEI
May 12, 1998 1.75 ingolf ball Hillsboro Montgomery 22:16 local · NCEI
Feb 16, 2006 1.50 inping pong ball Hillsboro Montgomery 15:40 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Hillsboro
Date Size Location County Time · source
May 7, 2023 1.00 inquarter 2 SSE Butler Montgomery 17:05 local · NCEI
Apr 28, 2014 0.88 innickel Hillsboro Montgomery 16:15 local · NCEI
May 28, 2011 2.50 intennis ball 0.87 NW Hillsboro Montgomery 13:37 local · NCEI
Apr 9, 2011 0.88 innickel Hillsboro Montgomery 04:12 local · NCEI
Apr 3, 2007 0.75 inpenny Hillsboro Montgomery 11:05 local · NCEI
Feb 16, 2006 1.50 inping pong ball Hillsboro Montgomery 15:40 local · NCEI
Oct 18, 2004 1.75 ingolf ball Hillsboro Montgomery 17:21 local · NCEI
Oct 18, 2004 1.00 inquarter Hillsboro Montgomery 17:20 local · NCEI
May 30, 2004 1.75 ingolf ball Hillsboro Montgomery 15:40 local · NCEI
May 18, 2004 0.75 inpenny Hillsboro Montgomery 15:30 local · NCEI
Apr 4, 2003 0.75 inpenny Hillsboro Montgomery 14:36 local · NCEI
Apr 24, 2002 0.75 inpenny Hillsboro Montgomery 13:54 local · NCEI

Hail history near Hillsboro

Questions about hail in Hillsboro

How often does it hail in Hillsboro, Illinois?

14 hail reports have been logged in and within about 5 km (3 miles) of Hillsboro since 1998. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #199 of 378 Illinois places by number of reports.

When is hail season in Hillsboro?

Most reports come in May, April, October. May alone accounts for 43% of all reports.

What is the largest hail recorded in Hillsboro?

2.50 in (tennis ball size) on May 28, 2011 near 0.87 NW Hillsboro. 7% of reports here were 2 inches or larger.

When did it last hail in Hillsboro?

The most recent report in this data is from May 7, 2023 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was May 7, 2023.

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.