Hail History

Hail history for Gillett Grove, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Gillett Grove since 1959, with preliminary reports to November 3, 2026.

Readout · Gillett Grove

Last hail
Aug 28, 2018
1.75 in, golf ball size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.75 in
baseball · Jul 26, 2000

15 reports on 10 days since 1959 · #266 of 483 Iowa places

Hail map · Gillett Grove

Gillett Grove Webb Dickens Spencer Ruthven Royal 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
15 most recent reports with a location; Clay County is shaded. Open street map

For homeowners

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What the record says about Gillett Grove

The latest hail report in and around Gillett Grove is from August 28, 2018, 1.75 in (golf ball size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Gillett Grove logged 2 reports on 1 hail day, about 0.1 reports a year. That is 22% of the median Iowa town on this site (0.5 a year) and ranks #266 of 483 Iowa cities and towns on this site for all-time reports. Gillett Grove accounts for 6% of the 253 reports filed in Clay County.

7% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Iowa town on this site. The largest hail on record here is 2.75 in (baseball) on July 26, 2000 near Gillett Grove.

The busiest year was 2001, with 6 reports on 2 days. Hail here peaks in May (33% of reports); 47% fall between April and June.

Reports a year 2006–2025 average

  • Gillett Grove 0.1
  • Clay County 4.3
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Gillett Grove 1
  • Clay County 47
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Gillett Grove 7%
  • Clay County 7%
  • Median Iowa town on this site 6%

Hail over time

0246 1959: 1 reports, largest 0.75 in 1960 1970 1980 1990 2000: 3 reports, largest 2.75 in 2000 2001: 6 reports, largest 1.00 in 2002: 1 reports, largest 0.88 in 2004: 1 reports, largest 0.75 in 2005: 1 reports, largest 1.00 in 2010 2018: 2 reports, largest 1.75 in 2020
Reports per year, 1959–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb Mar Apr May: 5 reports (33%) May June: 2 reports (13%) Jun July: 2 reports (13%) Jul August: 4 reports (27%) Aug September: 1 reports (7%) Sep October: 1 reports (7%) Oct Nov Dec
All 15 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 2 2
2017 0

Largest hail on record

Largest hail reports in Gillett Grove
Date Size Location County Time · source
Jul 26, 2000 2.75 inbaseball Gillett Grove Clay 01:00 local · NCEI
Aug 28, 2018 1.75 ingolf ball 2.14 ENE Gillett Grove Clay 05:20 local · NCEI
Aug 28, 2018 1.75 ingolf ball 2.53 W Gillett Grove Clay 05:19 local · NCEI
Sep 13, 2000 1.75 ingolf ball 4 N Webb Clay 19:10 local · NCEI
Aug 9, 2005 1.00 inquarter Gillett Grove Clay 16:13 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Gillett Grove
Date Size Location County Time · source
Aug 28, 2018 1.75 ingolf ball 2.14 ENE Gillett Grove Clay 05:20 local · NCEI
Aug 28, 2018 1.75 ingolf ball 2.53 W Gillett Grove Clay 05:19 local · NCEI
Aug 9, 2005 1.00 inquarter Gillett Grove Clay 16:13 local · NCEI
May 21, 2004 0.75 inpenny 2 W Gillett Grove Clay 20:28 local · NCEI
Oct 1, 2002 0.88 innickel Gillett Grove Clay 15:55 local · NCEI
Jun 11, 2001 1.00 inquarter 5 NW Webb Clay 21:55 local · NCEI
Jun 11, 2001 1.00 inquarter 5 NW Webb Clay 21:00 local · NCEI
May 1, 2001 0.88 innickel 1 W Gillett Grove Clay 16:15 local · NCEI
May 1, 2001 1.00 inquarter 1 E Gillett Grove Clay 16:15 local · NCEI
May 1, 2001 1.00 inquarter 4 N Webb Clay 15:13 local · NCEI
May 1, 2001 0.88 innickel 2 N Gillett Grove Clay 15:12 local · NCEI
Sep 13, 2000 1.75 ingolf ball 4 N Webb Clay 19:10 local · NCEI

Hail history near Gillett Grove

Questions about hail in Gillett Grove

How often does it hail in Gillett Grove, Iowa?

15 hail reports have been logged in and within about 5 km (3 miles) of Gillett Grove since 1959. Over the 20 years 2006–2025 that averages 0.1 reports a year. That ranks #266 of 483 Iowa places by number of reports.

When is hail season in Gillett Grove?

Most reports come in May, August, June. May alone accounts for 33% of all reports.

What is the largest hail recorded in Gillett Grove?

2.75 in (baseball size) on July 26, 2000 near Gillett Grove. 7% of reports here were 2 inches or larger.

When did it last hail in Gillett Grove?

The most recent report in this data is from August 28, 2018 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Gillett Grove since November 3, 2021. The last one was on August 28, 2018.

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.