Hail History

Hail history for Harrold, South Dakota

NOAA hail reports in and within about 5 km (3 miles) of Harrold since 1975, with preliminary reports to November 3, 2026.

Readout · Harrold

Last hail
Aug 5, 2022
1.50 in, ping pong ball size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
2.00 in
hen egg · Aug 10, 2006

17 reports on 12 days since 1975 · #156 of 305 South Dakota places

Hail map · Harrold

Harrold Blunt Oahe Acres Pierre 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
17 most recent reports with a location; Hughes County is shaded. Open street map

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What the record says about Harrold

The latest hail report in and around Harrold is from August 5, 2022, 1.50 in (ping pong ball size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.50 in on August 5, 2022.

Over the 20 years 2006–2025, Harrold logged 10 reports on 6 hail days, about 0.5 reports a year. That is 11% more than the median South Dakota town on this site (0.5 a year) and ranks #156 of 305 South Dakota cities and towns on this site for all-time reports. Harrold accounts for 8% of the 211 reports filed in Hughes County.

6% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median South Dakota town on this site. The largest hail on record here is 2.00 in (hen egg) on August 10, 2006 near Harrold.

Reports were down 75% in 2016–2025 (2) compared with 2006–2015 (8). The busiest year was 2007, with 3 reports on 1 day. Hail here peaks in August (47% of reports); 41% fall between April and June.

Reports a year 2006–2025 average

  • Harrold 0.5
  • Hughes County 5.3
  • Median South Dakota town on this site 0.5

Hail days 2006–2025

  • Harrold 6
  • Hughes County 51
  • Median South Dakota town on this site 7

Share 2 in or larger of sized reports

  • Harrold 6%
  • Hughes County 15%
  • Median South Dakota town on this site 7%

Hail over time

0123 1975: 1 reports, largest 1.75 in 1980 1982: 1 reports, largest 1.00 in 1990 1997: 1 reports, largest 0.75 in 1998: 1 reports, largest 1.00 in 2000 2004: 2 reports, largest 0.75 in 2005: 1 reports, largest 0.75 in 2006: 3 reports, largest 2.00 in 2007: 3 reports, largest 1.75 in 2008: 1 reports, largest 0.88 in 2010 2012: 1 reports, largest 1.00 in 2017: 1 reports, largest 0.88 in 2020 2022: 1 reports, largest 1.50 in
Reports per year, 1975–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb Mar Apr May: 1 reports (6%) May June: 6 reports (35%) Jun July: 1 reports (6%) Jul August: 8 reports (47%) Aug September: 1 reports (6%) Sep Oct Nov Dec
All 17 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
Aug 5, 2022 1 1.50 in —

Largest hail on record

Largest hail reports in Harrold
Date Size Location County Time · source
Aug 10, 2006 2.00 inhen egg Harrold Hughes 18:15 local · NCEI
Jun 21, 2007 1.75 ingolf ball 18.57 ESE Onida Sully 07:40 local · NCEI
Jun 3, 1975 1.75 ingolf ball — Hughes 15:30 local · NCEI
Aug 5, 2022 1.50 inping pong ball 0.49 W Harrold Hughes 17:10 local · NCEI
Sep 3, 2012 1.00 inquarter 1.2 SW Harrold Hughes 15:48 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 Harrold
Date Size Location County Time · source
Aug 5, 2022 1.50 inping pong ball 0.49 W Harrold Hughes 17:10 local · NCEI
Jun 13, 2017 0.88 innickel 2.82 WSW Harrold Hughes 16:08 local · NCEI
Sep 3, 2012 1.00 inquarter 1.2 SW Harrold Hughes 15:48 local · NCEI
Jun 26, 2008 0.88 innickel 0.49 W Harrold Hughes 00:00 local · NCEI
Jun 21, 2007 1.00 inquarter 0.49 W Harrold Hughes 07:40 local · NCEI
Jun 21, 2007 1.75 ingolf ball 18.57 ESE Onida Sully 07:40 local · NCEI
Jun 21, 2007 1.00 inquarter 18.57 ESE Onida Sully 07:35 local · NCEI
Aug 10, 2006 2.00 inhen egg Harrold Hughes 18:15 local · NCEI
Aug 10, 2006 1.00 inquarter Harrold Hughes 18:09 local · NCEI
Aug 10, 2006 0.75 inpenny 9 E Blunt Hughes 18:00 local · NCEI
May 17, 2005 0.75 inpenny Harrold Hughes 19:51 local · NCEI
Aug 1, 2004 0.75 inpenny Harrold Hughes 21:35 local · NCEI

Hail history near Harrold

Questions about hail in Harrold

How often does it hail in Harrold, South Dakota?

17 hail reports have been logged in and within about 5 km (3 miles) of Harrold since 1975. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #156 of 305 South Dakota places by number of reports.

When is hail season in Harrold?

Most reports come in August, June, May. August alone accounts for 47% of all reports.

What is the largest hail recorded in Harrold?

2.00 in (hen egg size) on August 10, 2006 near Harrold. 6% of reports here were 2 inches or larger.

When did it last hail in Harrold?

The most recent report in this data is from August 5, 2022 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Harrold 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 August 5, 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.