Hail History

Hail history for Gilmore City, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Gilmore City since 1974, with preliminary reports to November 3, 2026.

Readout · Gilmore City

Last hail
Apr 12, 2022
1.25 in, half dollar size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
2.75 in
baseball · Aug 26, 2004

14 reports on 11 days since 1974 · #288 of 483 Iowa places

Hail map · Gilmore City

Gilmore City Rolfe Palmer Pocahontas Plover Havelock 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; Pocahontas County is shaded. Open street map

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What the record says about Gilmore City

The latest hail report in and around Gilmore City is from April 12, 2022, 1.25 in (half dollar size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.25 in on April 12, 2022.

Over the 20 years 2006–2025, Gilmore City logged 8 reports on 5 hail days, about 0.4 reports a year. That is 11% less than the median Iowa town on this site (0.5 a year) and ranks #288 of 483 Iowa cities and towns on this site for all-time reports. Gilmore City accounts for 10% of the 145 reports filed in Pocahontas 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 August 26, 2004 near 10 E Pocahontas.

Reports were down 67% in 2016–2025 (2) compared with 2006–2015 (6). The busiest year was 2009, with 3 reports on 1 day. Hail here peaks in May (21% of reports); 57% fall between April and June.

Reports a year 2006–2025 average

  • Gilmore City 0.4
  • Pocahontas County 3.5
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Gilmore City 5
  • Pocahontas County 28
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Gilmore City 7%
  • Pocahontas County 8%
  • Median Iowa town on this site 6%

Hail over time

0123 1974: 1 reports, largest 1.75 in 1980 1983: 1 reports, largest 1.75 in 1986: 1 reports, largest 1.50 in 1990 1999: 1 reports, largest 1.50 in 2000 2001: 1 reports, largest 0.88 in 2004: 1 reports, largest 2.75 in 2006: 2 reports, largest 1.00 in 2009: 3 reports, largest 1.25 in 2010 2014: 1 reports, largest 1.00 in 2017: 1 reports, largest 1.00 in 2020 2022: 1 reports, largest 1.25 in
Reports per year, 1974–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0123 Jan Feb Mar April: 2 reports (14%) Apr May: 3 reports (21%) May June: 3 reports (21%) Jun July: 3 reports (21%) Jul August: 1 reports (7%) Aug September: 2 reports (14%) Sep 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 0
2022 1 1
2021 0
2020 0
2019 0
2018 0
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 12, 2022 1 1.25 in —

Largest hail on record

Largest hail reports in Gilmore City
Date Size Location County Damage Time · source
Aug 26, 2004 2.75 inbaseball 10 E Pocahontas Pocahontas $25K 15:17 local · NCEI
Sep 5, 1983 1.75 ingolf ball — Humboldt — 19:02 local · NCEI
Jun 18, 1974 1.75 ingolf ball — Pocahontas — 19:30 local · NCEI
Jun 6, 1999 1.50 inping pong ball 12 E Pocahontas Pocahontas $10K 14:00 local · NCEI
Sep 26, 1986 1.50 inping pong ball — Humboldt — 18:01 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 Gilmore City
Date Size Location County Damage Time · source
Apr 12, 2022 1.25 inhalf dollar 6.92 SSE Rolfe Pocahontas — 17:41 local · NCEI
May 15, 2017 1.00 inquarter 0.51 W Gilmore Humboldt — 16:01 local · NCEI
Jun 16, 2014 1.00 inquarter 7.23 SSE Rolfe Pocahontas — 16:49 local · NCEI
Jul 22, 2009 1.00 inquarter 6.92 SSE Rolfe Pocahontas $2K 17:35 local · NCEI
Jul 22, 2009 1.25 inhalf dollar 1.47 SSW Gilmore Humboldt $5K 17:30 local · NCEI
Jul 22, 2009 1.00 inquarter 4.01 SSE Rolfe Pocahontas $1K 17:25 local · NCEI
May 8, 2006 1.00 inquarter 3 N Lehigh Webster $3K 21:55 local · NCEI
May 8, 2006 1.00 inquarter 3 W Lehigh Webster $3K 21:37 local · NCEI
Aug 26, 2004 2.75 inbaseball 10 E Pocahontas Pocahontas $25K 15:17 local · NCEI
Apr 20, 2001 0.88 innickel 12 W Humboldt Humboldt $2K 21:35 local · NCEI
Jun 6, 1999 1.50 inping pong ball 12 E Pocahontas Pocahontas $10K 14:00 local · NCEI
Sep 26, 1986 1.50 inping pong ball — Humboldt — 18:01 local · NCEI

Hail history near Gilmore City

Questions about hail in Gilmore City

How often does it hail in Gilmore City, Iowa?

14 hail reports have been logged in and within about 5 km (3 miles) of Gilmore City since 1974. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #288 of 483 Iowa places by number of reports.

When is hail season in Gilmore City?

Most reports come in May, June, July. May alone accounts for 21% of all reports.

What is the largest hail recorded in Gilmore City?

2.75 in (baseball size) on August 26, 2004 near 10 E Pocahontas. 7% of reports here were 2 inches or larger.

When did it last hail in Gilmore City?

The most recent report in this data is from April 12, 2022 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Gilmore City 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 April 12, 2022.

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.