Hail History

Hail history for Gruver, Iowa

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

Readout · Gruver

Last hail
Jul 10, 2023
2.75 in, baseball size
Hail days, last 5 years
1
since Nov 3, 2021 · 2 reports
Largest ever
2.75 in
baseball · Jul 10, 2023

11 reports on 9 days since 1974 · #409 of 483 Iowa places

Hail map · Gruver

Gruver Estherville Wallingford Armstrong Ringsted 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; Emmet County is shaded. Open street map

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What the record says about Gruver

The latest hail report in and around Gruver is from July 10, 2023, 2.75 in (baseball size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 2.75 in on July 10, 2023.

Over the 20 years 2006–2025, Gruver logged 5 reports on 3 hail days, about 0.3 reports a year. That is 44% less than the median Iowa town on this site (0.5 a year) and ranks #409 of 483 Iowa cities and towns on this site for all-time reports. Gruver accounts for 9% of the 122 reports filed in Emmet County.

18% 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 10, 2023 near 2.94 SSE Gruver.

The busiest year was 2023, with 2 reports on 1 day. Hail here peaks in May (27% of reports); 55% fall between April and June.

Reports a year 2006–2025 average

  • Gruver 0.3
  • Emmet County 2.3
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Gruver 3
  • Emmet County 23
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Gruver 18%
  • Emmet County 10%
  • Median Iowa town on this site 6%

Hail over time

012 1974: 1 reports, largest 2.00 in 1980 1985: 1 reports, largest 1.00 in 1990 1998: 1 reports, largest 1.75 in 1999: 1 reports, largest 0.88 in 2000 2004: 1 reports, largest 0.88 in 2005: 1 reports, largest 1.00 in 2008: 1 reports, largest 0.75 in 2010 2013: 2 reports, largest 1.00 in 2020 2023: 2 reports, largest 2.75 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: 1 reports (9%) Apr May: 3 reports (27%) May June: 2 reports (18%) Jun July: 2 reports (18%) Jul August: 2 reports (18%) Aug Sep October: 1 reports (9%) Oct Nov Dec
All 11 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 2 2
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jul 10, 2023 2 2.75 in —

Largest hail on record

Largest hail reports in Gruver
Date Size Location County Damage Time · source
Jul 10, 2023 2.75 inbaseball 2.94 SSE Gruver Emmet — 17:16 local · NCEI
May 28, 1974 2.00 inhen egg — Emmet — 19:20 local · NCEI
Jun 26, 1998 1.75 ingolf ball Gruver Emmet $10K 10:32 local · NCEI
Jul 10, 2023 1.50 inping pong ball 1.22 SE Gruver Emmet — 17:16 local · NCEI
Aug 1, 2013 1.00 inquarter 1.38 N Estherville Arpt Emmet $1K 15:10 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 Gruver
Date Size Location County Damage Time · source
Jul 10, 2023 2.75 inbaseball 2.94 SSE Gruver Emmet — 17:16 local · NCEI
Jul 10, 2023 1.50 inping pong ball 1.22 SE Gruver Emmet — 17:16 local · NCEI
Aug 1, 2013 1.00 inquarter 1.38 N Estherville Arpt Emmet $1K 15:10 local · NCEI
Aug 1, 2013 0.88 innickel 1.38 NE Gruver Emmet — 15:10 local · NCEI
May 6, 2008 0.75 inpenny 1.22 SE Gruver Emmet — 15:52 local · NCEI
Oct 4, 2005 1.00 inquarter 3 E Gruver Emmet $5K 15:26 local · NCEI
May 19, 2004 0.88 innickel 5 SW Dolliver Emmet $1K 17:05 local · NCEI
Jun 26, 1999 0.88 innickel 10 E Estherville Emmet $1K 20:21 local · NCEI
Jun 26, 1998 1.75 ingolf ball Gruver Emmet $10K 10:32 local · NCEI
Apr 20, 1985 1.00 inquarter — Emmet — 20:00 local · NCEI
May 28, 1974 2.00 inhen egg — Emmet — 19:20 local · NCEI

Hail history near Gruver

Questions about hail in Gruver

How often does it hail in Gruver, Iowa?

11 hail reports have been logged in and within about 5 km (3 miles) of Gruver since 1974. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #409 of 483 Iowa places by number of reports.

When is hail season in Gruver?

Most reports come in May, June, July. May alone accounts for 27% of all reports.

What is the largest hail recorded in Gruver?

2.75 in (baseball size) on July 10, 2023 near 2.94 SSE Gruver. 18% of reports here were 2 inches or larger.

When did it last hail in Gruver?

The most recent report in this data is from July 10, 2023 (2.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

1 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was July 10, 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.