Hail History

Hail history for Hayti, South Dakota

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

Readout · Hayti

Last hail
Jul 7, 2025
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
2.75 in
baseball · Jul 30, 1999

19 reports on 17 days since 1971 · #133 of 305 South Dakota places

Hail map · Hayti

Hayti Lake Norden Lake Poinsett Castlewood Hazel Bryant Estelline 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
19 most recent reports with a location; Hamlin County is shaded. Open street map

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What the record says about Hayti

The latest hail report in and around Hayti is from July 7, 2025, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on July 7, 2025.

Over the 20 years 2006–2025, Hayti logged 11 reports on 9 hail days, about 0.6 reports a year. That is 22% more than the median South Dakota town on this site (0.5 a year) and ranks #133 of 305 South Dakota cities and towns on this site for all-time reports. Hayti accounts for 10% of the 194 reports filed in Hamlin County.

5% 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 July 30, 1999 near Hayti.

Reports were up 20% in 2016–2025 (6) compared with 2006–2015 (5). The busiest year was 2017, with 3 reports on 2 days. Hail here peaks in July (32% of reports); 42% fall between April and June.

Reports a year 2006–2025 average

  • Hayti 0.6
  • Hamlin County 5.0
  • Median South Dakota town on this site 0.5

Hail days 2006–2025

  • Hayti 9
  • Hamlin County 48
  • Median South Dakota town on this site 7

Share 2 in or larger of sized reports

  • Hayti 5%
  • Hamlin County 3%
  • Median South Dakota town on this site 7%

Hail over time

0123 1971: 1 reports, largest 0.75 in 1980 1990 1997: 1 reports, largest 1.00 in 1999: 2 reports, largest 2.75 in 2000: 1 reports, largest 0.88 in 2000 2002: 1 reports, largest 1.75 in 2003: 2 reports, largest 0.75 in 2007: 2 reports, largest 1.00 in 2010: 1 reports, largest 1.00 in 2010 2012: 1 reports, largest 1.00 in 2014: 1 reports, largest 1.75 in 2016: 2 reports, largest 1.00 in 2017: 3 reports, largest 1.75 in 2020 2025: 1 reports, largest 1.00 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.
0246 Jan Feb March: 1 reports (5%) Mar April: 2 reports (11%) Apr May: 2 reports (11%) May June: 4 reports (21%) Jun July: 6 reports (32%) Jul August: 3 reports (16%) Aug September: 1 reports (5%) Sep Oct Nov Dec
All 19 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 1 1
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 21 3

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jul 7, 2025 1 1.00 in —

Largest hail on record

Largest hail reports in Hayti
Date Size Location County Time · source
Jul 30, 1999 2.75 inbaseball Hayti Hamlin 13:10 local · NCEI
Jul 11, 2017 1.75 ingolf ball 2.54 SE Hayti Hamlin 18:30 local · NCEI
Jul 24, 2014 1.75 ingolf ball 0.69 N Hayti Hamlin 11:14 local · NCEI
Jun 24, 2002 1.75 ingolf ball 1 N Hayti Hamlin 00:30 local · NCEI
Jul 7, 2025 1.00 inquarter 1.63 WNW Hayti Hamlin 15:37 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Hayti
Date Size Location County Time · source
Jul 7, 2025 1.00 inquarter 1.63 WNW Hayti Hamlin 15:37 local · NCEI
Aug 13, 2017 0.88 innickel 1.47 NNE Hayti Hamlin 09:25 local · NCEI
Jul 11, 2017 0.88 innickel 1.2 NW Hayti Hamlin 18:37 local · NCEI
Jul 11, 2017 1.75 ingolf ball 2.54 SE Hayti Hamlin 18:30 local · NCEI
Aug 18, 2016 1.00 inquarter 0.69 N Hayti Hamlin 21:29 local · NCEI
May 25, 2016 1.00 inquarter 0.69 S Hayti Hamlin 20:05 local · NCEI
Jul 24, 2014 1.75 ingolf ball 0.69 N Hayti Hamlin 11:14 local · NCEI
May 5, 2012 1.00 inquarter 0.69 S Hayti Hamlin 19:47 local · NCEI
Sep 1, 2010 1.00 inquarter 0.69 N Hayti Hamlin 22:07 local · NCEI
Apr 21, 2007 1.00 inquarter 0.69 N Hayti Hamlin 19:41 local · NCEI
Apr 21, 2007 0.88 innickel 0.69 N Hayti Hamlin 19:32 local · NCEI
Jul 20, 2003 0.75 inpenny 1 W Hayti Hamlin 04:50 local · NCEI

Hail history near Hayti

Questions about hail in Hayti

How often does it hail in Hayti, South Dakota?

19 hail reports have been logged in and within about 5 km (3 miles) of Hayti since 1971. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #133 of 305 South Dakota places by number of reports.

When is hail season in Hayti?

Most reports come in July, June, August. July alone accounts for 32% of all reports.

What is the largest hail recorded in Hayti?

2.75 in (baseball size) on July 30, 1999 near Hayti. 5% of reports here were 2 inches or larger.

When did it last hail in Hayti?

The most recent report in this data is from July 7, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Hayti 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 July 7, 2025.

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.