States › South Dakota › Aurora County › Hail
Hail in Aurora County, South Dakota
152 hail events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Hail.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
NCEI records 152 hail events in Aurora County, South Dakota, between 1950 and 2026, spread over 35 years.
June is the busiest month, with 40 of the recorded events. The last 20 years account for 93 events against 50 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.9% of the 17,011 hail events recorded in South Dakota; its 21.5 per 100 square miles compares with 22.4 statewide.
41 of the hail reports with a recorded size were golf-ball size (1.75 inches) or larger; the largest recorded stone was 4.25 inches (softball size).
Compared with South Dakota
| Measure | Aurora County | South Dakota | US |
|---|---|---|---|
| Hail events since 1950 | 152 | 17,011 | 424,356 |
| Per 100 square miles | 21.5 | 22.4 | 12.0 |
| Per 10,000 residents | 553.1 | 190.0 | 12.8 |
| Deaths recorded | 0 | 0 | 29 |
| Busiest month | June | June | May |
By year
Seasonality
0Feb
0Mar
1Apr
11May
20Jun
40Jul
35Aug
36Sep
8Oct
1Nov
0Dec
0
Magnitude distribution
NWS hail-size descriptors
- under 1 in
- pea to quarter
- 1–1.74 in
- quarter to golf ball
- 1.75–2.74 in
- golf ball to baseball
- 2.75–3.99 in
- baseball to softball
- 4 in and larger
- softball and larger
Hail size in inches as recorded by NCEI; events without a size are not binned.
Recorded events
All 152 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 6 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 28 Jul 2025 | Hail | 0.88 in | — | — | — | — | County |
| 23 Jul 2025 | Hail | 1.25 in | — | — | — | — | County |
| 16 Jun 2025 | Hail | 1.00 in | — | — | — | — | County |
| 16 Jun 2025 | Hail | 0.88 in | — | — | — | — | County |
| 16 Jun 2025 | Hail | 0.88 in | — | — | — | — | County |
| 30 Jul 2024 | Hail | 1.00 in | — | — | — | — | County |
| 10 Aug 2023 | Hail | 1.00 in | — | — | — | — | County |
| 30 Jul 2023 | Hail | 0.75 in | — | — | — | — | County |
| 25 Jul 2023 | Hail | 1.00 in | — | — | — | — | County |
| 25 Jul 2023 | Hail | 0.88 in | — | $32K | — | — | County |
| 30 Aug 2021 | Hail | 1.00 in | — | — | — | — | County |
| 22 Aug 2021 | Hail | 1.00 in | — | — | — | — | County |
| 22 Aug 2021 | Hail | 1.75 in | — | $200K | — | — | County |
| 23 Jun 2021 | Hail | 0.88 in | — | — | — | — | County |
| 23 Jun 2021 | Hail | 1.00 in | — | — | — | — | County |
| 6 Apr 2021 | Hail | 0.75 in | — | — | — | — | County |
| 10 Aug 2020 | Hail | 1.75 in | — | — | — | — | County |
| 25 Jun 2020 | Hail | 1.00 in | — | — | — | — | County |
| 15 Jul 2019 | Hail | 0.75 in | — | — | — | — | County |
| 12 Jul 2019 | Hail | 1.00 in | — | — | — | — | County |
| 5 Aug 2018 | Hail | 2.50 in | — | — | — | — | County |
| 4 Aug 2018 | Hail | 1.75 in | — | — | — | — | County |
| 27 Jun 2018 | Hail | 1.00 in | — | — | — | — | County |
| 19 Sep 2017 | Hail | 1.50 in | — | — | — | — | County |
| 21 Aug 2017 | Hail | 1.75 in | — | — | — | — | County |
| 25 Jul 2017 | Hail | 1.50 in | $10K | — | — | — | County |
| 13 Jun 2017 | Hail | 0.75 in | — | — | — | — | County |
| 13 Jun 2017 | Hail | 1.00 in | — | — | — | — | County |
| 13 Jun 2017 | Hail | 1.00 in | — | — | — | — | County |
| 13 Jun 2017 | Hail | 1.00 in | — | — | — | — | County |
| 22 Jul 2016 | Hail | 1.00 in | — | — | — | — | County |
| 22 May 2016 | Hail | 1.00 in | — | — | — | — | County |
| 22 May 2016 | Hail | 1.50 in | — | — | — | — | County |
| 22 May 2016 | Hail | 1.50 in | — | — | — | — | County |
| 9 Aug 2015 | Hail | 1.50 in | — | — | — | — | County |
| 24 Apr 2015 | Hail | 0.88 in | — | — | — | — | County |
| 2 Aug 2014 | Hail | 1.75 in | — | — | — | — | County |
| 2 Aug 2014 | Hail | 1.75 in | — | — | — | — | County |
| 2 Aug 2014 | Hail | 1.75 in | — | — | — | — | County |
| 2 Aug 2014 | Hail | 1.25 in | — | — | — | — | County |
| 26 Jul 2014 | Hail | 0.88 in | — | — | — | — | County |
| 26 Jul 2014 | Hail | 1.75 in | — | — | — | — | County |
| 26 Jul 2014 | Hail | 1.00 in | — | — | — | — | County |
| 27 May 2014 | Hail | 1.00 in | — | — | — | — | County |
| 4 Sep 2012 | Hail | 1.00 in | — | — | — | — | County |
| 4 Sep 2012 | Hail | 1.00 in | — | — | — | — | County |
| 3 Sep 2012 | Hail | 0.88 in | — | — | — | — | County |
| 3 Sep 2012 | Hail | 1.50 in | — | — | — | — | County |
| 5 May 2012 | Hail | 1.00 in | — | — | — | — | County |
| 5 May 2012 | Hail | 1.00 in | — | — | — | — | County |
| 5 May 2012 | Hail | 1.00 in | — | — | — | — | County |
| 5 May 2012 | Hail | 1.75 in | — | — | — | — | County |
| 5 May 2012 | Hail | 0.88 in | — | — | — | — | County |
| 28 Aug 2011 | Hail | 1.00 in | — | — | — | — | County |
| 13 Jun 2011 | Hail | 0.75 in | — | — | — | — | County |
| 13 Jun 2011 | Hail | 1.25 in | — | — | — | — | County |
| 23 Jul 2010 | Hail | 0.75 in | — | — | — | — | County |
| 23 Jul 2010 | Hail | 1.75 in | — | — | — | — | County |
| 10 Jul 2010 | Hail | 1.75 in | — | — | — | — | County |
| 10 Jul 2010 | Hail | 1.50 in | — | — | — | — | County |
| 10 Jul 2010 | Hail | 0.88 in | — | — | — | — | County |
| 10 Jul 2010 | Hail | 2.00 in | — | — | — | — | County |
| 1 Jun 2010 | Hail | 0.88 in | — | — | — | — | County |
| 1 Jun 2010 | Hail | 1.00 in | — | — | — | — | County |
| 1 Jun 2010 | Hail | 0.75 in | — | — | — | — | County |
| 8 Aug 2009 | Hail | 1.75 in | — | — | — | — | County |
| 8 Aug 2009 | Hail | 1.75 in | $100K | — | — | — | County |
| 8 Aug 2009 | Hail | 2.75 in | — | — | — | — | County |
| 2 Aug 2009 | Hail | 1.00 in | — | — | — | — | County |
| 9 Jul 2009 | Hail | 1.75 in | $10K | — | — | — | County |
| 9 Jul 2009 | Hail | 1.25 in | — | — | — | — | County |
| 9 Jul 2009 | Hail | 1.00 in | — | — | — | — | County |
| 24 Jun 2009 | Hail | 1.75 in | — | — | — | — | County |
| 24 Jun 2009 | Hail | 1.75 in | — | — | — | — | County |
| 24 Jun 2009 | Hail | 1.00 in | — | — | — | — | County |
| 22 Mar 2009 | Hail | 0.88 in | — | — | — | — | County |
| 28 Aug 2008 | Hail | 0.75 in | — | — | — | — | County |
| 27 Jul 2008 | Hail | 1.75 in | — | — | — | — | County |
| 26 Jun 2008 | Hail | 0.75 in | — | — | — | — | County |
| 21 Jun 2008 | Hail | 0.75 in | — | — | — | — | County |
| 19 Jun 2008 | Hail | 0.75 in | — | — | — | — | County |
| 19 Jun 2008 | Hail | 1.75 in | — | — | — | — | County |
| 21 Jun 2007 | Hail | 1.75 in | — | — | — | — | County |
| 21 Jun 2007 | Hail | 1.75 in | — | — | — | — | County |
| 21 Jun 2007 | Hail | 4.25 in | — | — | — | — | County |
| 1 Jun 2007 | Hail | 1.00 in | — | — | — | — | County |
| 1 Jun 2007 | Hail | 0.75 in | — | — | — | — | County |
| 21 Apr 2007 | Hail | 1.75 in | — | — | — | — | County |
| 21 Apr 2007 | Hail | 0.75 in | — | — | — | — | County |
| 21 Apr 2007 | Hail | 0.75 in | — | — | — | — | County |
| 21 Apr 2007 | Hail | 1.75 in | — | — | — | — | County |
| 21 Apr 2007 | Hail | 1.50 in | — | — | — | — | County |
| 16 Sep 2006 | Hail | 0.75 in | — | — | — | — | County |
| 13 Jul 2006 | Hail | 1.75 in | — | — | — | — | County |
| 6 Apr 2006 | Hail | 0.88 in | — | — | — | — | County |
| 5 Sep 2005 | Hail | 0.88 in | — | — | — | — | County |
| 25 Aug 2005 | Hail | 0.75 in | — | — | — | — | County |
| 25 Aug 2005 | Hail | 1.00 in | — | — | — | — | County |
| 16 Sep 2004 | Hail | 0.75 in | — | — | — | — | County |
| 23 Aug 2004 | Hail | 0.75 in | — | — | — | — | County |
| 2 Aug 2004 | Hail | 0.88 in | — | — | — | — | County |
| 2 Aug 2004 | Hail | 1.00 in | — | — | — | — | County |
| 2 Aug 2004 | Hail | 0.88 in | — | — | — | — | County |
| 2 Aug 2004 | Hail | 1.00 in | — | — | — | — | County |
| 21 Jul 2004 | Hail | 0.88 in | — | — | — | — | County |
| 11 Jul 2004 | Hail | 0.75 in | — | — | — | — | County |
| 24 May 2004 | Hail | 0.88 in | — | — | — | — | County |
| 24 May 2004 | Hail | 0.75 in | — | — | — | — | County |
| 18 Apr 2004 | Hail | 1.00 in | — | — | — | — | County |
| 18 Apr 2004 | Hail | 1.00 in | — | — | — | — | County |
| 18 Apr 2004 | Hail | 1.00 in | — | — | — | — | County |
| 9 Jul 2003 | Hail | 0.75 in | — | — | — | — | County |
| 4 Jul 2003 | Hail | 0.88 in | — | — | — | — | County |
| 4 Jul 2003 | Hail | 0.75 in | — | — | — | — | County |
| 4 Jul 2003 | Hail | 1.75 in | — | — | — | — | County |
| 24 Jun 2003 | Hail | 0.75 in | — | — | — | — | County |
| 20 Aug 2002 | Hail | 0.75 in | — | — | — | — | County |
| 20 Aug 2002 | Hail | 0.75 in | — | — | — | — | County |
| 9 Aug 2002 | Hail | 0.88 in | — | — | — | — | County |
| 24 Jun 2002 | Hail | 0.75 in | — | — | — | — | County |
| 7 May 2002 | Hail | 0.75 in | — | — | — | — | County |
| 7 May 2002 | Hail | 0.88 in | — | — | — | — | County |
| 7 May 2002 | Hail | 0.75 in | — | — | — | — | County |
| 6 Aug 2000 | Hail | 0.75 in | — | — | — | — | County |
| 5 Aug 2000 | Hail | 0.75 in | — | — | — | — | County |
| 5 Aug 2000 | Hail | 0.75 in | — | — | — | — | County |
| 3 Jun 2000 | Hail | 0.88 in | — | $100K | — | — | County |
| 6 Jul 1998 | Hail | 0.75 in | — | $200K | — | — | County |
| 24 Jun 1998 | Hail | 1.00 in | — | — | — | — | County |
| 10 Jun 1998 | Hail | 1.75 in | — | — | — | — | County |
| 14 May 1998 | Hail | 1.00 in | — | — | — | — | County |
| 14 May 1998 | Hail | 2.75 in | — | — | — | — | County |
| 14 May 1998 | Hail | 1.75 in | — | — | — | — | County |
| 27 Jul 1997 | Hail | 0.75 in | — | $5K | — | — | County |
| 20 Jun 1997 | Hail | 0.75 in | — | $50K | — | — | County |
| 16 Oct 1996 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jun 1996 | Hail | 1.75 in | — | — | — | — | County |
| 5 Jun 1996 | Hail | 1.00 in | — | — | — | — | County |
| 15 May 1996 | Hail | 1.00 in | — | — | — | — | County |
| 16 Jun 1992 | Hail | 1.75 in | — | — | — | — | County |
| 30 Jul 1991 | Hail | 1.75 in | — | — | — | — | County |
| 28 May 1991 | Hail | 2.50 in | — | — | — | — | County |
| 28 Jul 1986 | Hail | 1.75 in | — | — | — | — | County |
| 29 Aug 1985 | Hail | 1.75 in | — | — | — | — | County |
| 29 Aug 1985 | Hail | 1.75 in | — | — | — | — | County |
| 3 Jun 1975 | Hail | 0.75 in | — | — | — | — | County |
| 21 Jun 1974 | Hail | 1.75 in | — | — | — | — | County |
| 18 Jul 1965 | Hail | 2.50 in | — | — | — | — | County |
| 9 Jun 1962 | Hail | 1.50 in | — | — | — | — | County |
| 15 May 1962 | Hail | 1.75 in | — | — | — | — | County |
| 18 Aug 1958 | Hail | 1.00 in | — | — | — | — | County |
Questions and answers
How many hail events has Aurora County had?
152 events in the NCEI Storm Events record between 1950 and 2026. Reporting of hail became far more complete after 1996, so early decades undercount.
When was the last recorded hail event in Aurora County?
6 Aug 2025 (Hail, 1.00 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Aurora County?
The hail of 6 Jul 1998, with property damage estimated by NCEI at $0 and crop damage at $200K.
How does Aurora County compare with South Dakota for hail?
21.5 events per 100 square miles against 22.4 statewide; the county holds 152 of the state's 17,011 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Hail hub and the county page.