Hail History

Hail history for Poplar Grove, Illinois

NOAA hail reports in and within about 5 km (3 miles) of Poplar Grove since 1987, with preliminary reports to November 3, 2026.

Readout · Poplar Grove

Last hail
Apr 15, 2026
1.00 in, quarter size
Hail days, last 5 years
2
since Nov 3, 2021 · 3 reports
Largest ever
1.50 in
ping pong ball · May 17, 2017

11 reports on 9 days since 1987 · #306 of 378 Illinois places

Hail map · Poplar Grove

Poplar Grove Belvidere Machesney Park Roscoe Harvard Rockford Rockton Marengo 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
11 most recent reports with a location; Boone County is shaded. Open street map

For homeowners

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What the record says about Poplar Grove

The latest hail report in and around Poplar Grove is from April 15, 2026, 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 April 15, 2026.

Over the 20 years 2006–2025, Poplar Grove logged 4 reports on 4 hail days, about 0.2 reports a year. That is 40% of the median Illinois town on this site (0.5 a year) and ranks #306 of 378 Illinois cities and towns on this site for all-time reports. Poplar Grove accounts for 17% of the 65 reports filed in Boone 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 1.50 in (ping pong ball) on May 17, 2017 near 0.51 E Poplar Grove.

The busiest year was 2026, with 3 reports on 2 days. Hail here peaks in May (45% of reports); 91% fall between April and June.

Reports a year 2006–2025 average

  • Poplar Grove 0.2
  • Boone County 2.1
  • Median Illinois town on this site 0.5

Hail days 2006–2025

  • Poplar Grove 4
  • Boone County 31
  • Median Illinois town on this site 8

Share 2 in or larger of sized reports

  • Poplar Grove 0%
  • Boone County 2%
  • Median Illinois town on this site 4%

Hail over time

0123 1987: 1 reports, largest 0.75 in 1990 1995 2000 2004: 1 reports, largest 0.75 in 2005: 2 reports, largest 1.00 in 2005 2007: 1 reports, largest 0.75 in 2010 2011: 1 reports, largest 1.00 in 2013: 1 reports, largest 0.88 in 2015 2017: 1 reports, largest 1.50 in 2020 2025 2026: 3 reports, largest 1.00 in
Reports per year, 1987–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb Mar April: 3 reports (27%) Apr May: 5 reports (45%) May June: 2 reports (18%) Jun Jul August: 1 reports (9%) Aug Sep Oct Nov Dec
All 11 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 3 3
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 15, 2026 1 1.00 in —
Apr 14, 2026 2 1.00 in —

Largest hail on record

Largest hail reports in Poplar Grove
Date Size Location County Time · source
May 17, 2017 1.50 inping pong ball 0.51 E Poplar Grove Boone 21:25 local · NCEI
Apr 15, 2026 1.00 inquarter 0.51 E Poplar Grove Boone 19:45 local · NCEI
Apr 14, 2026 1.00 inquarter 0.86 SE Poplar Grove Airport Boone 20:05 local · NCEI
Apr 14, 2026 1.00 inquarter 0.51 E Poplar Grove Boone 20:03 local · NCEI
Jun 8, 2011 1.00 inquarter Poplar Grove Boone 21:12 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Poplar Grove
Date Size Location County Time · source
Apr 15, 2026 1.00 inquarter 0.51 E Poplar Grove Boone 19:45 local · NCEI
Apr 14, 2026 1.00 inquarter 0.86 SE Poplar Grove Airport Boone 20:05 local · NCEI
Apr 14, 2026 1.00 inquarter 0.51 E Poplar Grove Boone 20:03 local · NCEI
May 17, 2017 1.50 inping pong ball 0.51 E Poplar Grove Boone 21:25 local · NCEI
May 19, 2013 0.88 innickel 0.35 WNW Belvidere Arpt Boone 20:25 local · NCEI
Jun 8, 2011 1.00 inquarter Poplar Grove Boone 21:12 local · NCEI
Jun 16, 2007 0.75 inpenny Poplar Grove Boone 15:19 local · NCEI
May 19, 2005 1.00 inquarter Poplar Grove Boone 15:28 local · NCEI
May 19, 2005 1.00 inquarter Poplar Grove Boone 15:17 local · NCEI
May 18, 2004 0.75 inpenny Poplar Grove Boone 21:10 local · NCEI
Aug 4, 1987 0.75 inpenny — Boone 16:20 local · NCEI

Hail history near Poplar Grove

Questions about hail in Poplar Grove

How often does it hail in Poplar Grove, Illinois?

11 hail reports have been logged in and within about 5 km (3 miles) of Poplar Grove since 1987. Over the 20 years 2006–2025 that averages 0.2 reports a year. That ranks #306 of 378 Illinois places by number of reports.

When is hail season in Poplar Grove?

Most reports come in May, April, June. May alone accounts for 45% of all reports.

What is the largest hail recorded in Poplar Grove?

1.50 in (ping pong ball size) on May 17, 2017 near 0.51 E Poplar Grove. 0% of reports here were 2 inches or larger.

When did it last hail in Poplar Grove?

The most recent report in this data is from April 15, 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 Poplar Grove 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 April 15, 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.