Hail History

Hail history for Gladbrook, Iowa

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

Readout · Gladbrook

Last hail
Aug 28, 2020
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
1.75 in
golf ball · May 10, 2001

12 reports on 11 days since 1974 · #364 of 483 Iowa places

Hail map · Gladbrook

Gladbrook Conrad Traer Marshalltown Toledo Albion 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
12 most recent reports with a location; Tama County is shaded. Open street map

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What the record says about Gladbrook

The latest hail report in and around Gladbrook is from August 28, 2020, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Gladbrook logged 6 reports on 5 hail days, about 0.3 reports a year. That is 33% less than the median Iowa town on this site (0.5 a year) and ranks #364 of 483 Iowa cities and towns on this site for all-time reports. Gladbrook accounts for 11% of the 109 reports filed in Tama County.

0% 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 1.75 in (golf ball) on May 10, 2001 near Kesley.

The busiest year was 2017, with 2 reports on 1 day. Hail here peaks in June (42% of reports); 83% fall between April and June.

Reports a year 2006–2025 average

  • Gladbrook 0.3
  • Tama County 3.0
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Gladbrook 5
  • Tama County 28
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Gladbrook 0%
  • Tama County 7%
  • Median Iowa town on this site 6%

Hail over time

012 1974: 1 reports, largest 0.75 in 1976: 1 reports, largest 1.75 in 1979: 1 reports, largest 1.50 in 1980 1990 2000 2001: 2 reports, largest 1.75 in 2005: 1 reports, largest 0.75 in 2006: 1 reports, largest 1.00 in 2008: 1 reports, largest 1.00 in 2010 2011: 1 reports, largest 1.00 in 2017: 2 reports, largest 1.25 in 2020: 1 reports, largest 1.00 in 2020
Reports per year, 1974–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb March: 1 reports (8%) Mar April: 2 reports (17%) Apr May: 3 reports (25%) May June: 5 reports (42%) Jun Jul August: 1 reports (8%) Aug Sep Oct Nov Dec
All 12 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 1 1
2019 0
2018 0
2017 2 2

Largest hail on record

Largest hail reports in Gladbrook
Date Size Location County Damage Time · source
May 10, 2001 1.75 ingolf ball Kesley Butler $10K 16:02 local · NCEI
May 9, 2001 1.75 ingolf ball Gladbrook Tama $25K 21:55 local · NCEI
Apr 14, 1976 1.75 ingolf ball — Marshall — 20:50 local · NCEI
Jun 12, 1979 1.50 inping pong ball — Tama — 16:40 local · NCEI
Jun 28, 2017 1.25 inhalf dollar 1.24 NW Gladbrook Tama — 17:07 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 Gladbrook
Date Size Location County Damage Time · source
Aug 28, 2020 1.00 inquarter 0.51 W Gladbrook Tama — 14:39 local · NCEI
Jun 28, 2017 1.00 inquarter 0.86 NW Gladbrook Tama — 17:19 local · NCEI
Jun 28, 2017 1.25 inhalf dollar 1.24 NW Gladbrook Tama — 17:07 local · NCEI
Jun 8, 2011 1.00 inquarter 0.86 NW Gladbrook Tama $1K 17:06 local · NCEI
May 25, 2008 1.00 inquarter 0.86 NW Gladbrook Tama $5K 20:25 local · NCEI
Mar 8, 2006 1.00 inquarter 3 SSW Gladbrook Tama $3K 17:50 local · NCEI
Apr 19, 2005 0.75 inpenny 1 NNE Gladbrook Tama — 20:51 local · NCEI
May 10, 2001 1.75 ingolf ball Kesley Butler $10K 16:02 local · NCEI
May 9, 2001 1.75 ingolf ball Gladbrook Tama $25K 21:55 local · NCEI
Jun 12, 1979 1.50 inping pong ball — Tama — 16:40 local · NCEI
Apr 14, 1976 1.75 ingolf ball — Marshall — 20:50 local · NCEI
Jun 14, 1974 0.75 inpenny — Tama — 16:30 local · NCEI

Hail history near Gladbrook

Questions about hail in Gladbrook

How often does it hail in Gladbrook, Iowa?

12 hail reports have been logged in and within about 5 km (3 miles) of Gladbrook since 1974. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #364 of 483 Iowa places by number of reports.

When is hail season in Gladbrook?

Most reports come in June, May, April. June alone accounts for 42% of all reports.

What is the largest hail recorded in Gladbrook?

1.75 in (golf ball size) on May 10, 2001 near Kesley. 0% of reports here were 2 inches or larger.

When did it last hail in Gladbrook?

The most recent report in this data is from August 28, 2020 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Gladbrook since November 3, 2021. The last one was on August 28, 2020.

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.