Hail history for Henry, South Dakota

NOAA hail reports in and within about 5 km (3 miles) of Henry since 1973, with preliminary reports to November 3, 2026.

Readout · Henry

Last hail: Jul 17, 2015; 1.75 in, golf ball size
Hail days, last 5 years: 0; since Nov 3, 2021 · 0 reports
Largest ever: 2.75 in; baseball · May 12, 1984

24 reports on 16 days since 1973 · #83 of 305 South Dakota places

Hail map · Henry

Under 1 in
1–1.75 in
1.75–2.5 in
2.5–4 in
4 in +
No size

24 most recent reports with a location; Codington County is shaded. Open street map

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What the record says about Henry

The latest hail report in and around Henry is from July 17, 2015, 1.75 in (golf ball size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Henry logged 15 reports on 7 hail days, about 0.8 reports a year. That is 67% more than the median South Dakota town on this site (0.5 a year) and ranks #83 of 305 South Dakota cities and towns on this site for all-time reports. Henry accounts for 11% of the 226 reports filed in Codington County.

8% 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 2.75 in (baseball) on May 12, 1984.

Reports were down 100% in 2016–2025 (0) compared with 2006–2015 (15). The busiest year was 2006, with 11 reports on 3 days. Hail here peaks in June (42% of reports); 58% fall between April and June.

Reports a year 2006–2025 average

Henry 0.8
Codington County 7.0
Median South Dakota town on this site 0.5

Hail days 2006–2025

Henry 7
Codington County 54
Median South Dakota town on this site 7

Share 2 in or larger of sized reports

Henry 8%
Codington County 7%
Median South Dakota town on this site 7%

Hail over time

By yearBy monthLast 10 years

Reports per year, 1973–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.

All 24 reports by calendar month.

Reports per month, 2017–2026. Darker cells had more reports.
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
2026													0
2025													0
2024													0
2023													0
2022													0
2021													0
2020													0
2019													0
2018													0
2017													0

Largest hail on record

Largest hail reports in Henry
Date	Size	Location	County	Time · source
May 12, 1984	2.75 inbaseball	—	Codington	19:00 local · NCEI
Jul 17, 2010	2.00 inhen egg	2.4 SW Henry	Codington	16:45 local · NCEI
Jul 17, 2015	1.75 ingolf ball	0.49 W Henry	Codington	19:55 local · NCEI
Sep 16, 2006	1.75 ingolf ball	2 SE Henry	Codington	16:53 local · NCEI
Jun 14, 2006	1.75 ingolf ball	3 SW Henry	Codington	13:30 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

Under 1 in 7 29%
1–2 in 15 63%
2 in + 2 8%

Most recent reports

Most recent hail reports in Henry
Date	Size	Location	County	Time · source
Jul 17, 2015	1.75 ingolf ball	0.49 W Henry	Codington	19:55 local · NCEI
Jun 21, 2013	1.00 inquarter	0.49 W Henry	Codington	13:08 local · NCEI
Sep 14, 2010	1.00 inquarter	0.49 W Henry	Codington	23:29 local · NCEI
Jul 17, 2010	2.00 inhen egg	2.4 SW Henry	Codington	16:45 local · NCEI
Sep 16, 2006	1.75 ingolf ball	2 SE Henry	Codington	16:53 local · NCEI
Aug 10, 2006	0.75 inpenny	Henry	Codington	19:54 local · NCEI
Aug 10, 2006	1.00 inquarter	5 NNE Naples	Clark	18:58 local · NCEI
Aug 10, 2006	1.00 inquarter	2 SSW Henry	Codington	18:56 local · NCEI
Jun 14, 2006	1.00 inquarter	2 SE Henry	Codington	13:46 local · NCEI
Jun 14, 2006	0.75 inpenny	2 S Henry	Codington	13:45 local · NCEI
Jun 14, 2006	1.00 inquarter	1 S Henry	Codington	13:35 local · NCEI
Jun 14, 2006	1.00 inquarter	6 N Naples	Clark	13:33 local · NCEI

Hail history near Henry

Silver Lake Colony 12 km · 20
Naples 13 km · 15
Garden City 13 km · 14
Hazel 15 km · 20
Clark 22 km · 34
Florence 22 km · 11
Wallace 23 km · 13
Watertown 24 km · 78

Questions about hail in Henry

How often does it hail in Henry, South Dakota?

24 hail reports have been logged in and within about 5 km (3 miles) of Henry since 1973. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #83 of 305 South Dakota places by number of reports.

When is hail season in Henry?

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

What is the largest hail recorded in Henry?

2.75 in (baseball size) on May 12, 1984. 8% of reports here were 2 inches or larger.

When did it last hail in Henry?

The most recent report in this data is from July 17, 2015 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Henry since November 3, 2021. The last one was on July 17, 2015.

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.