States › South Dakota › Sully County › Hail
Hail in Sully County, South Dakota
146 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.
Sully County, South Dakota, has 146 hail events in the NCEI record since 1950, with at least one in 40 different years.
August is the busiest month, with 50 of the recorded events. The last 20 years account for 62 events against 76 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 14.5 per 100 square miles compares with 22.4 statewide.
47 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 | Sully County | South Dakota | US |
|---|---|---|---|
| Hail events since 1950 | 146 | 17,011 | 424,356 |
| Per 100 square miles | 14.5 | 22.4 | 12.0 |
| Per 10,000 residents | 989.2 | 190.0 | 12.8 |
| Deaths recorded | 0 | 0 | 29 |
| Busiest month | August | June | May |
By year
Seasonality
0Feb
0Mar
0Apr
2May
6Jun
41Jul
36Aug
50Sep
8Oct
3Nov
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 146 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 |
|---|---|---|---|---|---|---|---|
| 23 May 2024 | Hail | 1.00 in | — | — | — | — | County |
| 30 Jul 2023 | Hail | 1.50 in | — | — | — | — | County |
| 24 Jun 2022 | Hail | 1.75 in | — | — | — | — | County |
| 24 Jun 2022 | Hail | 1.00 in | — | — | — | — | County |
| 22 Jul 2020 | Hail | 1.00 in | — | — | — | — | County |
| 7 Jun 2020 | Hail | 1.00 in | — | — | — | — | County |
| 17 Aug 2019 | Hail | 1.00 in | — | — | — | — | County |
| 17 Aug 2019 | Hail | 0.88 in | — | — | — | — | County |
| 6 Aug 2019 | Hail | 1.75 in | — | — | — | — | County |
| 6 Aug 2019 | Hail | 1.75 in | — | — | — | — | County |
| 6 Aug 2019 | Hail | 1.75 in | — | — | — | — | County |
| 6 Aug 2019 | Hail | 1.75 in | — | — | — | — | County |
| 10 Sep 2018 | Hail | 1.25 in | — | — | — | — | County |
| 10 Sep 2018 | Hail | 1.50 in | — | — | — | — | County |
| 26 Aug 2018 | Hail | 1.50 in | — | — | — | — | County |
| 29 Jun 2018 | Hail | 1.00 in | — | — | — | — | County |
| 29 Jun 2018 | Hail | 1.75 in | — | — | — | — | County |
| 27 Jun 2018 | Hail | 1.00 in | — | — | — | — | County |
| 27 Jun 2018 | Hail | 1.75 in | — | — | — | — | County |
| 27 May 2018 | Hail | 1.00 in | — | — | — | — | County |
| 21 Aug 2017 | Hail | 1.00 in | — | — | — | — | County |
| 21 Aug 2017 | Hail | 1.00 in | — | — | — | — | County |
| 30 Jul 2016 | Hail | 1.75 in | — | — | — | — | County |
| 30 Jul 2016 | Hail | 1.25 in | — | — | — | — | County |
| 30 Jul 2016 | Hail | 1.75 in | — | — | — | — | County |
| 30 Jul 2016 | Hail | 1.00 in | — | — | — | — | County |
| 30 Jul 2016 | Hail | 2.75 in | — | — | — | — | County |
| 9 Jul 2016 | Hail | 1.00 in | — | — | — | — | County |
| 7 Sep 2015 | Hail | 1.75 in | — | — | — | — | County |
| 7 Sep 2015 | Hail | 2.00 in | — | — | — | — | County |
| 19 Jun 2015 | Hail | 1.00 in | — | — | — | — | County |
| 7 Sep 2014 | Hail | 1.50 in | — | — | — | — | County |
| 19 Jun 2014 | Hail | 1.00 in | — | — | — | — | County |
| 18 Jun 2014 | Hail | 1.25 in | — | — | — | — | County |
| 18 Jun 2014 | Hail | 1.00 in | — | — | — | — | County |
| 20 Jul 2013 | Hail | 0.88 in | — | — | — | — | County |
| 20 Jul 2013 | Hail | 1.00 in | — | — | — | — | County |
| 20 Jul 2013 | Hail | 0.75 in | — | — | — | — | County |
| 9 Jun 2012 | Hail | 1.75 in | — | — | — | — | County |
| 2 May 2012 | Hail | 1.00 in | — | — | — | — | County |
| 11 Aug 2011 | Hail | 1.00 in | — | — | — | — | County |
| 26 Jul 2011 | Hail | 1.25 in | — | — | — | — | County |
| 18 Aug 2009 | Hail | 0.88 in | — | — | — | — | County |
| 18 Aug 2009 | Hail | 1.00 in | — | — | — | — | County |
| 18 Aug 2009 | Hail | 1.00 in | — | — | — | — | County |
| 26 Jun 2009 | Hail | 0.75 in | — | — | — | — | County |
| 16 Jul 2008 | Hail | 0.88 in | — | — | — | — | County |
| 16 Jul 2008 | Hail | 1.00 in | — | — | — | — | County |
| 26 Jun 2008 | Hail | 0.88 in | — | — | — | — | County |
| 26 Jun 2008 | Hail | 1.00 in | — | — | — | — | County |
| 21 Jun 2008 | Hail | 1.00 in | — | — | — | — | County |
| 2 Jun 2008 | Hail | 1.75 in | — | — | — | — | County |
| 21 Jun 2007 | Hail | 1.00 in | — | — | — | — | County |
| 21 Jun 2007 | Hail | 0.75 in | — | — | — | — | County |
| 21 Jun 2007 | Hail | 1.00 in | — | — | — | — | County |
| 21 Jun 2007 | Hail | 1.75 in | — | — | — | — | County |
| 21 Jun 2007 | Hail | 4.25 in | — | — | — | — | County |
| 21 Jun 2007 | Hail | 1.50 in | — | — | — | — | County |
| 21 Jun 2007 | Hail | 1.75 in | — | — | — | — | County |
| 17 Jun 2007 | Hail | 1.00 in | — | — | — | — | County |
| 20 Apr 2007 | Hail | 0.75 in | — | — | — | — | County |
| 20 Apr 2007 | Hail | 1.00 in | — | — | — | — | County |
| 24 Aug 2006 | Hail | 1.25 in | — | — | — | — | County |
| 24 Aug 2006 | Hail | 4.25 in | — | — | — | — | County |
| 24 Aug 2006 | Hail | 2.50 in | — | — | — | — | County |
| 24 Aug 2006 | Hail | 1.00 in | — | — | — | — | County |
| 20 Aug 2006 | Hail | 0.88 in | — | — | — | — | County |
| 20 Aug 2006 | Hail | 0.75 in | — | — | — | — | County |
| 11 Aug 2006 | Hail | 0.75 in | — | — | — | — | County |
| 10 Aug 2006 | Hail | 1.00 in | — | — | — | — | County |
| 3 Jun 2006 | Hail | 0.88 in | — | — | — | — | County |
| 3 Jun 2006 | Hail | 1.75 in | — | — | — | — | County |
| 3 Jun 2006 | Hail | 1.25 in | — | — | — | — | County |
| 28 May 2006 | Hail | 1.75 in | — | — | — | — | County |
| 7 May 2006 | Hail | 0.75 in | — | — | — | — | County |
| 5 Sep 2005 | Hail | 1.75 in | — | — | — | — | County |
| 7 May 2005 | Hail | 1.75 in | — | — | — | — | County |
| 29 Oct 2004 | Hail | 1.00 in | — | — | — | — | County |
| 29 Oct 2004 | Hail | 0.75 in | — | — | — | — | County |
| 29 Oct 2004 | Hail | 0.88 in | — | — | — | — | County |
| 6 Aug 2004 | Hail | 1.75 in | — | — | — | — | County |
| 3 Aug 2004 | Hail | 0.88 in | — | — | — | — | County |
| 1 Aug 2004 | Hail | 1.75 in | — | — | — | — | County |
| 1 Aug 2004 | Hail | 1.50 in | — | — | — | — | County |
| 1 Aug 2004 | Hail | 1.75 in | — | — | — | — | County |
| 1 Aug 2004 | Hail | 1.75 in | — | — | — | — | County |
| 1 Aug 2004 | Hail | 2.50 in | — | — | — | — | County |
| 1 Aug 2004 | Hail | 2.50 in | — | — | — | — | County |
| 10 Jun 2004 | Hail | 0.75 in | — | — | — | — | County |
| 13 Jul 2003 | Hail | 0.75 in | — | — | — | — | County |
| 11 Jun 2003 | Hail | 0.75 in | — | — | — | — | County |
| 11 Aug 2002 | Hail | 1.00 in | — | — | — | — | County |
| 24 Jul 2002 | Hail | 0.75 in | — | — | — | — | County |
| 23 Jun 2002 | Hail | 0.75 in | — | — | — | — | County |
| 23 Jun 2002 | Hail | 0.75 in | — | — | — | — | County |
| 22 Jun 2002 | Hail | 0.88 in | — | — | — | — | County |
| 24 Jul 2001 | Hail | 0.75 in | — | — | — | — | County |
| 22 Aug 2000 | Hail | 0.75 in | — | — | — | — | County |
| 4 Aug 2000 | Hail | 1.75 in | — | — | — | — | County |
| 4 Aug 2000 | Hail | 1.25 in | — | — | — | — | County |
| 25 Sep 1999 | Hail | 0.88 in | — | — | — | — | County |
| 27 Jul 1999 | Hail | 0.75 in | — | — | — | — | County |
| 27 Jul 1999 | Hail | 1.75 in | — | — | — | — | County |
| 22 Jul 1999 | Hail | 0.75 in | — | — | — | — | County |
| 15 Jul 1999 | Hail | 1.00 in | — | — | — | — | County |
| 24 Aug 1998 | Hail | 1.75 in | — | — | — | — | County |
| 24 Aug 1998 | Hail | 1.75 in | — | — | — | — | County |
| 24 Aug 1998 | Hail | 1.00 in | — | — | — | — | County |
| 24 Aug 1998 | Hail | 1.00 in | — | — | — | — | County |
| 18 Jul 1998 | Hail | 0.75 in | — | — | — | — | County |
| 26 Jun 1998 | Hail | 0.75 in | — | — | — | — | County |
| 14 Sep 1997 | Hail | 0.75 in | — | — | — | — | County |
| 9 Aug 1997 | Hail | 0.88 in | — | — | — | — | County |
| 3 Aug 1997 | Hail | 0.75 in | — | — | — | — | County |
| 2 Aug 1997 | Hail | 1.75 in | — | — | — | — | County |
| 16 Jul 1997 | Hail | 1.75 in | — | — | — | — | County |
| 30 Jun 1997 | Hail | 0.88 in | — | — | — | — | County |
| 30 Jun 1997 | Hail | 1.75 in | — | — | — | — | County |
| 1 Aug 1996 | Hail | 0.75 in | — | — | — | — | County |
| 1 Aug 1996 | Hail | 1.75 in | — | — | — | — | County |
| 28 Jul 1996 | Hail | 0.75 in | — | — | — | — | County |
| 28 Jul 1996 | Hail | 1.75 in | — | — | — | — | County |
| 21 Jul 1996 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jul 1996 | Hail | 0.88 in | — | — | — | — | County |
| 20 Jul 1996 | Hail | 0.88 in | — | — | — | — | County |
| 5 Jul 1996 | Hail | 0.75 in | — | — | — | — | County |
| 5 Jul 1996 | Hail | 1.00 in | — | — | — | — | County |
| 27 Aug 1995 | Hail | 1.00 in | — | — | — | — | County |
| 9 Jul 1992 | Hail | 0.75 in | — | — | — | — | County |
| 19 Aug 1991 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jul 1991 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jul 1991 | Hail | 0.75 in | — | — | — | — | County |
| 25 Aug 1990 | Hail | 1.75 in | — | — | — | — | County |
| 18 Jul 1990 | Hail | 0.75 in | — | — | — | — | County |
| 11 Jun 1990 | Hail | 1.75 in | — | — | — | — | County |
| 20 Aug 1988 | Hail | 1.75 in | — | — | — | — | County |
| 15 Aug 1987 | Hail | 1.75 in | — | — | — | — | County |
| 5 Aug 1987 | Hail | 1.75 in | — | — | — | — | County |
| 12 Aug 1986 | Hail | 1.75 in | — | — | — | — | County |
| 21 Aug 1985 | Hail | 1.75 in | — | — | — | — | County |
| 6 Jun 1981 | Hail | 0.75 in | — | — | — | — | County |
| 19 Jun 1979 | Hail | 2.75 in | — | — | — | — | County |
| 20 Jun 1974 | Hail | 0.75 in | — | — | — | — | County |
| 1 Jul 1973 | Hail | 1.75 in | — | — | — | — | County |
| 17 Jun 1973 | Hail | 0.75 in | — | — | — | — | County |
| 24 Jul 1967 | Hail | 0.75 in | — | — | — | — | County |
Questions and answers
How many hail events has Sully County had?
146 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 Sully County?
23 May 2024 (Hail, 1.00 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Sully County?
NCEI records no damage estimate for events of this type in the county.
How does Sully County compare with South Dakota for hail?
14.5 events per 100 square miles against 22.4 statewide; the county holds 146 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.