Hail History

Hail history for Glenwood, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Glenwood since 1971, with preliminary reports to November 3, 2026.

Readout · Glenwood

Last hail
Apr 30, 2024
1.75 in, golf ball size
Hail days, last 5 years
4
since Nov 3, 2021 · 9 reports
Largest ever
2.00 in
hen egg · Apr 19, 2023

39 reports on 30 days since 1971 · #42 of 483 Iowa places

Hail map · Glenwood

Glenwood Pacific Junction Malvern Henderson Emerson 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
39 most recent reports with a location; Mills County is shaded. Open street map

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What the record says about Glenwood

The latest hail report in and around Glenwood is from April 30, 2024, 1.75 in (golf ball size). Since November 3, 2021 there have been 4 separate hail days; the biggest stones in that time were 2.00 in on April 19, 2023.

Over the 20 years 2006–2025, Glenwood logged 23 reports on 15 hail days, about 1.1 reports a year. That is 2.6 times the median Iowa town on this site (0.5 a year) and ranks #42 of 483 Iowa cities and towns on this site for all-time reports. Glenwood accounts for 26% of the 148 reports filed in Mills County.

8% 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 2.00 in (hen egg) on April 19, 2023 near 1.56 E Glenwood.

Reports were down 23% in 2016–2025 (10) compared with 2006–2015 (13). The busiest year was 2023, with 7 reports on 2 days. Hail here peaks in April (31% of reports); 72% fall between April and June.

Reports a year 2006–2025 average

  • Glenwood 1.1
  • Mills County 3.9
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Glenwood 15
  • Mills County 46
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Glenwood 8%
  • Mills County 8%
  • Median Iowa town on this site 6%

Hail over time

02468 1971: 2 reports, largest 2.00 in 1976: 1 reports, largest 1.75 in 1980 1981: 1 reports, largest 1.50 in 1986: 1 reports, largest 2.00 in 1990 1991: 1 reports, largest 1.00 in 1996: 1 reports, largest 0.75 in 2000: 1 reports, largest 1.75 in 2000 2001: 3 reports, largest 1.00 in 2002: 1 reports, largest 0.75 in 2003: 3 reports, largest 1.75 in 2004: 1 reports, largest 0.88 in 2006: 3 reports, largest 1.00 in 2007: 2 reports, largest 0.75 in 2008: 2 reports, largest 1.75 in 2010 2011: 4 reports, largest 1.75 in 2013: 1 reports, largest 1.00 in 2014: 1 reports, largest 1.00 in 2017: 1 reports, largest 1.75 in 2020 2022: 1 reports, largest 1.75 in 2023: 7 reports, largest 2.00 in 2024: 1 reports, largest 1.75 in
Reports per year, 1971–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
051015 Jan Feb March: 2 reports (5%) Mar April: 12 reports (31%) Apr May: 9 reports (23%) May June: 7 reports (18%) Jun July: 4 reports (10%) Jul August: 4 reports (10%) Aug September: 1 reports (3%) Sep Oct Nov Dec
All 39 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 1 1
2023 52 7
2022 1 1
2021 0
2020 0
2019 0
2018 0
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 30, 2024 1 1.75 in —
May 7, 2023 2 1.50 in —
Apr 19, 2023 5 2.00 in —
Apr 23, 2022 1 1.75 in —

Largest hail on record

Largest hail reports in Glenwood
Date Size Location County Time · source
Apr 19, 2023 2.00 inhen egg 1.56 E Glenwood Mills 16:38 local · NCEI
May 12, 1986 2.00 inhen egg — Mills 17:00 local · NCEI
May 6, 1971 2.00 inhen egg — Mills 09:20 local · NCEI
Apr 30, 2024 1.75 ingolf ball 4 ESE Glenwood Mills 14:25 local · NCEI
Apr 23, 2022 1.75 ingolf ball 1.04 E Glenwood Mills 04:09 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 Glenwood
Date Size Location County Time · source
Apr 30, 2024 1.75 ingolf ball 4 ESE Glenwood Mills 14:25 local · NCEI
May 7, 2023 1.50 inping pong ball 0.87 NE Balfour Mills 18:54 local · NCEI
May 7, 2023 1.00 inquarter 1.56 E Glenwood Mills 18:34 local · NCEI
Apr 19, 2023 1.00 inquarter 1.38 N Glenwood Mills 19:30 local · NCEI
Apr 19, 2023 1.25 inhalf dollar 1.38 N Glenwood Mills 19:29 local · NCEI
Apr 19, 2023 1.00 inquarter 1.73 NE Pacific City Mills 19:23 local · NCEI
Apr 19, 2023 2.00 inhen egg 1.56 E Glenwood Mills 16:38 local · NCEI
Apr 19, 2023 1.25 inhalf dollar 1.04 E Glenwood Mills 16:37 local · NCEI
Apr 23, 2022 1.75 ingolf ball 1.04 E Glenwood Mills 04:09 local · NCEI
Jun 22, 2017 1.75 ingolf ball 2.09 SE Glenwood Mills 21:52 local · NCEI
Jul 7, 2014 1.00 inquarter 2.07 N Balfour Mills 17:24 local · NCEI
May 30, 2013 1.00 inquarter 0.52 E Glenwood Mills 19:20 local · NCEI

Hail history near Glenwood

Questions about hail in Glenwood

How often does it hail in Glenwood, Iowa?

39 hail reports have been logged in and within about 5 km (3 miles) of Glenwood since 1971. Over the 20 years 2006–2025 that averages 1.1 reports a year. That ranks #42 of 483 Iowa places by number of reports.

When is hail season in Glenwood?

Most reports come in April, May, June. April alone accounts for 31% of all reports.

What is the largest hail recorded in Glenwood?

2.00 in (hen egg size) on April 19, 2023 near 1.56 E Glenwood. 8% of reports here were 2 inches or larger.

When did it last hail in Glenwood?

The most recent report in this data is from April 30, 2024 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

4 separate days with hail reports since November 3, 2021, adding up to 9 reports. The most recent was April 30, 2024.

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.