Hail History

Hail history for Bonesteel, South Dakota

NOAA hail reports in and within about 5 km (3 miles) of Bonesteel since 1957, with preliminary reports to November 3, 2026.

Readout · Bonesteel

Last hail
Jun 25, 2022
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
2.00 in
hen egg · Jul 12, 1957

15 reports on 14 days since 1957 · #182 of 305 South Dakota places

Hail map · Bonesteel

Bonesteel Fairfax Herrick Geddes Burke Lake Andes Pickstown Platte Gregory 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
15 most recent reports with a location; Gregory County is shaded. Open street map

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What the record says about Bonesteel

The latest hail report in and around Bonesteel is from June 25, 2022, 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 June 25, 2022.

Over the 20 years 2006–2025, Bonesteel logged 7 reports on 6 hail days, about 0.3 reports a year. That is 22% less than the median South Dakota town on this site (0.5 a year) and ranks #182 of 305 South Dakota cities and towns on this site for all-time reports. Bonesteel accounts for 6% of the 251 reports filed in Gregory County.

7% 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 July 12, 1957.

The busiest year was 2008, with 3 reports on 2 days. Hail here peaks in June (53% of reports); 67% fall between April and June.

Reports a year 2006–2025 average

  • Bonesteel 0.3
  • Gregory County 6.8
  • Median South Dakota town on this site 0.5

Hail days 2006–2025

  • Bonesteel 6
  • Gregory County 67
  • Median South Dakota town on this site 7

Share 2 in or larger of sized reports

  • Bonesteel 7%
  • Gregory County 8%
  • Median South Dakota town on this site 7%

Hail over time

0123 1957: 1 reports, largest 2.00 in 1960 1970 1980 1990 1992: 1 reports, largest 1.75 in 1999: 3 reports, largest 1.00 in 2000 2002: 1 reports, largest 1.75 in 2003: 2 reports, largest 1.00 in 2008: 3 reports, largest 1.75 in 2010: 1 reports, largest 1.00 in 2010 2015: 1 reports, largest 0.88 in 2016: 1 reports, largest 1.00 in 2020 2022: 1 reports, largest 1.00 in
Reports per year, 1957–2026. 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: 2 reports (13%) May June: 8 reports (53%) Jun July: 2 reports (13%) Jul August: 3 reports (20%) Aug Sep Oct Nov Dec
All 15 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 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 25, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Bonesteel
Date Size Location County Time · source
Jul 12, 1957 2.00 inhen egg — Gregory 15:00 local · NCEI
Aug 11, 2008 1.75 ingolf ball 0.69 N Bonesteel Gregory 16:50 local · NCEI
Aug 9, 2002 1.75 ingolf ball Bonesteel Gregory 17:05 local · NCEI
Jun 16, 1992 1.75 ingolf ball — Gregory 17:40 local · NCEI
Jun 25, 2022 1.00 inquarter 0.69 N Bonesteel Gregory 00:12 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 Bonesteel
Date Size Location County Time · source
Jun 25, 2022 1.00 inquarter 0.69 N Bonesteel Gregory 00:12 local · NCEI
May 25, 2016 1.00 inquarter 0.69 N Bonesteel Gregory 18:10 local · NCEI
Jul 28, 2015 0.88 innickel 1.22 SW Bonesteel Gregory 00:52 local · NCEI
Jun 3, 2010 1.00 inquarter 0.69 N Bonesteel Gregory 17:34 local · NCEI
Aug 11, 2008 1.00 inquarter 1.22 NE Bonesteel Gregory 17:00 local · NCEI
Aug 11, 2008 1.75 ingolf ball 0.69 N Bonesteel Gregory 16:50 local · NCEI
Jun 5, 2008 0.75 inpenny 1.22 SW Bonesteel Gregory 15:33 local · NCEI
Jun 24, 2003 0.88 innickel 2 N Bonesteel Gregory 18:55 local · NCEI
Jun 5, 2003 1.00 inquarter 2 N Bonesteel Gregory 15:30 local · NCEI
Aug 9, 2002 1.75 ingolf ball Bonesteel Gregory 17:05 local · NCEI
Jun 22, 1999 0.75 inpenny Bonesteel Gregory 19:15 local · NCEI
Jun 4, 1999 0.75 inpenny Bonesteel Gregory 02:00 local · NCEI

Hail history near Bonesteel

Questions about hail in Bonesteel

How often does it hail in Bonesteel, South Dakota?

15 hail reports have been logged in and within about 5 km (3 miles) of Bonesteel since 1957. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #182 of 305 South Dakota places by number of reports.

When is hail season in Bonesteel?

Most reports come in June, August, May. June alone accounts for 53% of all reports.

What is the largest hail recorded in Bonesteel?

2.00 in (hen egg size) on July 12, 1957. 7% of reports here were 2 inches or larger.

When did it last hail in Bonesteel?

The most recent report in this data is from June 25, 2022 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Bonesteel 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 June 25, 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.