Hail History

Hail history for Dyersville, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Dyersville since 1976, with preliminary reports to November 3, 2026.

Readout · Dyersville

Last hail
Aug 24, 2021
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
1.75 in
golf ball · Aug 12, 1976

11 reports on 9 days since 1976 · #401 of 483 Iowa places

Hail map · Dyersville

Dyersville Colesburg Hopkinton Cascade Peosta 10 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; Dubuque County is shaded. Open street map

For homeowners

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What the record says about Dyersville

The latest hail report in and around Dyersville is from August 24, 2021, 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, Dyersville logged 8 reports on 6 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 #401 of 483 Iowa cities and towns on this site for all-time reports. Dyersville accounts for 5% of the 201 reports filed in Dubuque 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 August 12, 1976.

Reports were down 67% in 2016–2025 (2) compared with 2006–2015 (6). The busiest year was 2008, with 2 reports on 1 day. Hail here peaks in May (36% of reports); 73% fall between April and June.

Reports a year 2006–2025 average

  • Dyersville 0.4
  • Dubuque County 6.0
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Dyersville 6
  • Dubuque County 51
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Dyersville 0%
  • Dubuque County 8%
  • Median Iowa town on this site 6%

Hail over time

012 1976: 1 reports, largest 1.75 in 1980 1990 1997: 1 reports, largest 1.00 in 2000 2001: 1 reports, largest 1.00 in 2007: 2 reports, largest 0.88 in 2008: 2 reports, largest 1.00 in 2009: 1 reports, largest 0.75 in 2010 2011: 1 reports, largest 1.00 in 2017: 1 reports, largest 1.00 in 2020 2021: 1 reports, largest 1.00 in
Reports per year, 1976–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb Mar April: 3 reports (27%) Apr May: 4 reports (36%) May June: 1 reports (9%) Jun Jul August: 3 reports (27%) Aug Sep 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 0
2022 0
2021 1 1
2020 0
2019 0
2018 0
2017 1 1

Largest hail on record

Largest hail reports in Dyersville
Date Size Location County Time · source
Aug 12, 1976 1.75 ingolf ball — Delaware 18:50 local · NCEI
Aug 24, 2021 1.00 inquarter 1.38 S Dyersville Dubuque 14:58 local · NCEI
May 17, 2017 1.00 inquarter 0.86 SW Dyersville Dubuque 16:21 local · NCEI
Apr 3, 2011 1.00 inquarter 1.23 SE Dyersville Dubuque 18:28 local · NCEI
May 25, 2008 1.00 inquarter Dyersville Dubuque 21:01 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 Dyersville
Date Size Location County Time · source
Aug 24, 2021 1.00 inquarter 1.38 S Dyersville Dubuque 14:58 local · NCEI
May 17, 2017 1.00 inquarter 0.86 SW Dyersville Dubuque 16:21 local · NCEI
Apr 3, 2011 1.00 inquarter 1.23 SE Dyersville Dubuque 18:28 local · NCEI
Aug 9, 2009 0.75 inpenny Dyersville Dubuque 11:49 local · NCEI
May 25, 2008 1.00 inquarter Dyersville Dubuque 21:01 local · NCEI
May 25, 2008 1.00 inquarter 2.07 N Dyersville Dubuque 18:48 local · NCEI
Apr 2, 2007 0.88 innickel Dyersville Dubuque 23:14 local · NCEI
Apr 2, 2007 0.75 inpenny Dyersville Dubuque 22:44 local · NCEI
Jun 1, 2001 1.00 inquarter Dyersville Dubuque 16:55 local · NCEI
May 18, 1997 1.00 inquarter Dyersville Dubuque 16:32 local · NCEI
Aug 12, 1976 1.75 ingolf ball — Delaware 18:50 local · NCEI

Hail history near Dyersville

Questions about hail in Dyersville

How often does it hail in Dyersville, Iowa?

11 hail reports have been logged in and within about 5 km (3 miles) of Dyersville since 1976. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #401 of 483 Iowa places by number of reports.

When is hail season in Dyersville?

Most reports come in May, April, August. May alone accounts for 36% of all reports.

What is the largest hail recorded in Dyersville?

1.75 in (golf ball size) on August 12, 1976. 0% of reports here were 2 inches or larger.

When did it last hail in Dyersville?

The most recent report in this data is from August 24, 2021 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Dyersville since November 3, 2021. The last one was on August 24, 2021.

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.