States › South Dakota › Gregory County › Hail
Hail in Gregory County, South Dakota
247 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.
Gregory County, South Dakota, has 247 hail events in the NCEI record since 1950, with at least one in 44 different years.
June is the busiest month, with 98 of the recorded events. The last 20 years account for 136 events against 101 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.5% of the 17,011 hail events recorded in South Dakota; its 24.3 per 100 square miles compares with 22.4 statewide.
60 of the hail reports with a recorded size were golf-ball size (1.75 inches) or larger; the largest recorded stone was 3.00 inches (tea cup size).
Compared with South Dakota
| Measure | Gregory County | South Dakota | US |
|---|---|---|---|
| Hail events since 1950 | 247 | 17,011 | 424,356 |
| Per 100 square miles | 24.3 | 22.4 | 12.0 |
| Per 10,000 residents | 621.1 | 190.0 | 12.8 |
| Deaths recorded | 0 | 0 | 29 |
| Busiest month | June | June | May |
By year
Seasonality
0Feb
0Mar
2Apr
4May
37Jun
98Jul
37Aug
58Sep
11Oct
0Nov
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
The 188 events kept for this page are the 120 most recent plus the 80 with the most damage, deaths or injuries out of 247. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 17 May 2026 | Hail | 1.25 in | — | — | — | — | County |
| 3 Aug 2025 | Hail | 1.00 in | — | — | — | — | County |
| 28 Jul 2025 | Hail | 1.75 in | — | — | — | — | County |
| 15 Jul 2025 | Hail | 1.25 in | — | — | — | — | County |
| 28 Jun 2025 | Hail | 0.88 in | — | — | — | — | County |
| 28 Jun 2025 | Hail | 1.00 in | — | — | — | — | County |
| 19 Jun 2025 | Hail | 1.00 in | — | — | — | — | County |
| 25 Aug 2024 | Hail | 1.25 in | — | — | — | — | County |
| 25 Aug 2024 | Hail | 2.75 in | — | — | — | — | County |
| 25 Aug 2024 | Hail | 1.75 in | — | — | — | — | County |
| 25 Aug 2024 | Hail | 1.00 in | — | — | — | — | County |
| 25 Aug 2024 | Hail | 1.00 in | — | — | — | — | County |
| 18 Aug 2024 | Hail | 1.00 in | — | — | — | — | County |
| 18 Aug 2024 | Hail | 1.00 in | — | — | — | — | County |
| 31 Jul 2024 | Hail | 2.00 in | — | — | — | — | County |
| 31 Jul 2024 | Hail | 1.00 in | — | — | — | — | County |
| 28 Jul 2024 | Hail | 2.75 in | — | — | — | — | County |
| 25 Jun 2022 | Hail | 1.00 in | — | — | — | — | County |
| 25 Jun 2022 | Hail | 1.00 in | — | — | — | — | County |
| 25 Jun 2022 | Hail | 2.00 in | — | $1K | — | — | County |
| 16 Sep 2021 | Hail | 1.25 in | — | $7K | — | — | County |
| 16 Sep 2021 | Hail | 0.75 in | — | — | — | — | County |
| 23 Jun 2021 | Hail | 0.88 in | — | — | — | — | County |
| 23 Jun 2021 | Hail | 0.75 in | — | — | — | — | County |
| 23 Jun 2021 | Hail | 1.00 in | — | — | — | — | County |
| 10 Aug 2020 | Hail | 2.00 in | — | — | — | — | County |
| 10 Aug 2020 | Hail | 1.25 in | — | — | — | — | County |
| 10 Aug 2020 | Hail | 1.00 in | — | — | — | — | County |
| 10 Aug 2020 | Hail | 1.00 in | — | — | — | — | County |
| 30 Jun 2020 | Hail | 1.00 in | — | — | — | — | County |
| 20 Jun 2020 | Hail | 2.75 in | — | $10K | — | — | County |
| 20 Jun 2020 | Hail | 2.00 in | — | — | — | — | County |
| 20 Jun 2020 | Hail | 1.75 in | $10K | — | — | — | County |
| 20 Jun 2020 | Hail | 1.75 in | — | — | — | — | County |
| 20 Jun 2020 | Hail | 1.00 in | — | — | — | — | County |
| 20 Jun 2020 | Hail | 1.00 in | — | — | — | — | County |
| 17 Aug 2019 | Hail | 1.50 in | — | — | — | — | County |
| 16 Aug 2019 | Hail | 0.88 in | — | — | — | — | County |
| 6 Aug 2019 | Hail | 2.75 in | $5K | — | — | — | County |
| 6 Aug 2019 | Hail | 1.75 in | — | $50K | — | — | County |
| 6 Aug 2019 | Hail | 0.75 in | — | — | — | — | County |
| 9 Jul 2019 | Hail | 0.75 in | — | — | — | — | County |
| 9 Jul 2019 | Hail | 0.75 in | — | — | — | — | County |
| 30 Jun 2019 | Hail | 1.75 in | — | — | — | — | County |
| 30 Jun 2019 | Hail | 2.00 in | — | — | — | — | County |
| 30 Jun 2019 | Hail | 1.00 in | — | — | — | — | County |
| 19 Jun 2019 | Hail | 1.00 in | — | — | — | — | County |
| 4 Jun 2019 | Hail | 1.75 in | — | — | — | — | County |
| 13 Jun 2018 | Hail | 1.00 in | — | — | — | — | County |
| 13 Jun 2018 | Hail | 1.00 in | — | — | — | — | County |
| 19 Sep 2017 | Hail | 1.25 in | — | — | — | — | County |
| 19 Jul 2017 | Hail | 1.00 in | — | — | — | — | County |
| 13 Jun 2017 | Hail | 1.50 in | — | — | — | — | County |
| 13 Jun 2017 | Hail | 1.25 in | — | — | — | — | County |
| 17 Jun 2016 | Hail | 1.00 in | — | — | — | — | County |
| 25 May 2016 | Hail | 1.00 in | — | — | — | — | County |
| 25 May 2016 | Hail | 1.00 in | — | — | — | — | County |
| 25 May 2016 | Hail | 1.75 in | — | — | — | — | County |
| 22 May 2016 | Hail | 1.00 in | — | — | — | — | County |
| 7 Sep 2015 | Hail | 1.00 in | — | — | — | — | County |
| 28 Jul 2015 | Hail | 0.88 in | — | — | — | — | County |
| 3 Jun 2013 | Hail | 1.00 in | — | — | — | — | County |
| 3 Jun 2013 | Hail | 0.75 in | — | — | — | — | County |
| 3 Jun 2013 | Hail | 0.88 in | — | — | — | — | County |
| 3 Jun 2013 | Hail | 0.75 in | — | — | — | — | County |
| 5 May 2012 | Hail | 0.75 in | — | — | — | — | County |
| 1 May 2012 | Hail | 0.75 in | — | — | — | — | County |
| 14 Jun 2011 | Hail | 1.00 in | — | — | — | — | County |
| 20 Mar 2011 | Hail | 1.00 in | — | — | — | — | County |
| 30 Aug 2010 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jul 2010 | Hail | 2.00 in | — | — | — | — | County |
| 3 Jun 2010 | Hail | 1.00 in | — | — | — | — | County |
| 1 Jun 2010 | Hail | 1.00 in | — | — | — | — | County |
| 29 May 2010 | Hail | 1.50 in | — | — | — | — | County |
| 29 May 2010 | Hail | 1.00 in | — | — | — | — | County |
| 24 May 2010 | Hail | 1.00 in | — | — | — | — | County |
| 24 May 2010 | Hail | 1.50 in | — | — | — | — | County |
| 24 May 2010 | Hail | 1.75 in | — | — | — | — | County |
| 12 Aug 2009 | Hail | 0.88 in | — | — | — | — | County |
| 3 Aug 2009 | Hail | 1.75 in | — | — | — | — | County |
| 3 Aug 2009 | Hail | 2.00 in | $2.0M | $1.0M | — | — | County |
| 3 Aug 2009 | Hail | 1.75 in | — | — | — | — | County |
| 3 Aug 2009 | Hail | 2.00 in | — | — | — | — | County |
| 3 Aug 2009 | Hail | 1.50 in | — | — | — | — | County |
| 3 Aug 2009 | Hail | 1.75 in | — | — | — | — | County |
| 16 Jul 2009 | Hail | 0.88 in | — | — | — | — | County |
| 16 Jul 2009 | Hail | 0.75 in | — | — | — | — | County |
| 9 Jul 2009 | Hail | 0.88 in | — | — | — | — | County |
| 17 Jun 2009 | Hail | 1.75 in | — | — | — | — | County |
| 17 Jun 2009 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jun 2009 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jun 2009 | Hail | 1.75 in | $100K | — | — | — | County |
| 17 Jun 2009 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jun 2009 | Hail | 1.00 in | — | — | — | — | County |
| 23 Mar 2009 | Hail | 0.75 in | — | — | — | — | County |
| 14 Aug 2008 | Hail | 0.75 in | — | — | — | — | County |
| 13 Aug 2008 | Hail | 0.75 in | — | — | — | — | County |
| 13 Aug 2008 | Hail | 0.75 in | — | — | — | — | County |
| 13 Aug 2008 | Hail | 0.75 in | — | — | — | — | County |
| 11 Aug 2008 | Hail | 1.75 in | — | — | — | — | County |
| 11 Aug 2008 | Hail | 1.00 in | — | — | — | — | County |
| 30 Jul 2008 | Hail | 0.75 in | — | — | — | — | County |
| 30 Jul 2008 | Hail | 0.88 in | — | — | — | — | County |
| 28 Jul 2008 | Hail | 1.00 in | — | — | — | — | County |
| 10 Jul 2008 | Hail | 1.75 in | — | — | — | — | County |
| 10 Jul 2008 | Hail | 1.50 in | — | — | — | — | County |
| 10 Jul 2008 | Hail | 0.75 in | — | — | — | — | County |
| 26 Jun 2008 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jun 2008 | Hail | 0.75 in | — | — | — | — | County |
| 17 Jun 2008 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jun 2008 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jun 2008 | Hail | 0.88 in | — | — | — | — | County |
| 17 Jun 2008 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jun 2008 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jun 2008 | Hail | 1.75 in | $100K | — | — | — | County |
| 17 Jun 2008 | Hail | 1.75 in | $100K | — | — | — | County |
| 17 Jun 2008 | Hail | 1.75 in | $50K | — | — | — | County |
| 17 Jun 2008 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jun 2008 | Hail | 1.00 in | $5K | — | — | — | County |
| 5 Jun 2008 | Hail | 0.75 in | — | — | — | — | County |
| 9 Aug 2002 | Hail | 1.50 in | $100K | — | — | 1 | County |
| 9 Aug 2002 | Hail | 0.88 in | — | — | — | — | County |
| 9 Aug 2002 | Hail | 1.75 in | — | — | — | — | County |
| 16 Jun 2002 | Hail | 0.75 in | — | — | — | — | County |
| 7 May 2002 | Hail | 0.75 in | — | — | — | — | County |
| 6 Jun 2001 | Hail | 0.75 in | — | — | — | — | County |
| 6 Jun 2001 | Hail | 1.00 in | — | — | — | — | County |
| 6 Jun 2001 | Hail | 0.75 in | — | — | — | — | County |
| 7 Aug 2000 | Hail | 0.75 in | — | — | — | — | County |
| 7 Aug 2000 | Hail | 0.88 in | — | — | — | — | County |
| 19 Jun 2000 | Hail | 0.75 in | — | — | — | — | County |
| 11 May 2000 | Hail | 1.25 in | $5K | — | — | — | County |
| 11 May 2000 | Hail | 1.00 in | — | — | — | — | County |
| 11 May 2000 | Hail | 1.00 in | — | — | — | — | County |
| 11 May 2000 | Hail | 1.00 in | — | — | — | — | County |
| 18 Jul 1999 | Hail | 1.50 in | — | — | — | — | County |
| 18 Jul 1999 | Hail | 0.75 in | — | — | — | — | County |
| 2 Jul 1999 | Hail | 1.50 in | $500K | $1.0M | — | — | County |
| 2 Jul 1999 | Hail | 0.88 in | — | — | — | — | County |
| 2 Jul 1999 | Hail | 1.00 in | — | — | — | — | County |
| 22 Jun 1999 | Hail | 0.75 in | — | — | — | — | County |
| 22 Jun 1999 | Hail | 1.00 in | — | — | — | — | County |
| 22 Jun 1999 | Hail | 1.50 in | — | — | — | — | County |
| 22 Jun 1999 | Hail | 1.00 in | — | — | — | — | County |
| 22 Jun 1999 | Hail | 0.75 in | — | — | — | — | County |
| 22 Jun 1999 | Hail | 1.25 in | — | — | — | — | County |
| 22 Jun 1999 | Hail | 0.75 in | — | — | — | — | County |
| 22 Jun 1999 | Hail | 1.75 in | — | — | — | — | County |
| 22 Jun 1999 | Hail | 1.75 in | — | — | — | — | County |
| 7 Jun 1999 | Hail | 1.50 in | — | — | — | — | County |
| 5 Jun 1999 | Hail | 0.88 in | — | — | — | — | County |
| 4 Jun 1999 | Hail | 0.75 in | — | — | — | — | County |
| 4 Jun 1999 | Hail | 1.00 in | — | — | — | — | County |
| 4 Jun 1999 | Hail | 0.88 in | — | — | — | — | County |
| 10 May 1999 | Hail | 1.00 in | — | — | — | — | County |
| 10 May 1999 | Hail | 1.75 in | — | — | — | — | County |
| 3 May 1999 | Hail | 0.75 in | — | — | — | — | County |
| 14 May 1998 | Hail | 2.00 in | — | — | — | — | County |
| 14 May 1998 | Hail | 0.88 in | — | — | — | — | County |
| 14 May 1998 | Hail | 0.75 in | — | — | — | — | County |
| 14 May 1998 | Hail | 0.75 in | — | — | — | — | County |
| 14 May 1998 | Hail | 0.75 in | — | — | — | — | County |
| 8 Sep 1997 | Hail | 0.75 in | — | — | — | — | County |
| 4 Aug 1996 | Hail | 0.75 in | — | — | — | — | County |
| 1 Aug 1996 | Hail | 0.75 in | — | — | — | — | County |
| 4 Jul 1994 | Hail | 0.87 in | — | — | — | — | County |
| 6 Jun 1994 | Hail | 1.75 in | — | — | — | — | County |
| 1 Sep 1993 | Hail | 1.75 in | — | — | — | — | County |
| 16 Jun 1992 | Hail | 1.75 in | — | — | — | — | County |
| 15 May 1992 | Hail | 0.75 in | — | — | — | — | County |
| 30 Jun 1991 | Hail | 2.75 in | — | — | — | — | County |
| 30 Jun 1991 | Hail | 1.00 in | — | — | — | — | County |
| 26 Apr 1991 | Hail | 0.88 in | — | — | — | — | County |
| 25 Aug 1990 | Hail | 1.75 in | — | — | — | — | County |
| 3 Aug 1988 | Hail | 2.75 in | — | — | — | — | County |
| 29 Jul 1988 | Hail | 1.75 in | — | — | — | — | County |
| 4 Sep 1987 | Hail | 0.75 in | — | — | — | — | County |
| 15 Aug 1987 | Hail | 0.75 in | — | — | — | — | County |
| 2 Sep 1985 | Hail | 0.75 in | — | — | — | — | County |
| 2 Sep 1985 | Hail | 0.75 in | — | — | — | — | County |
| 28 May 1985 | Hail | 1.75 in | — | — | — | — | County |
| 6 Jun 1980 | Hail | 1.75 in | — | — | — | — | County |
| 29 Jul 1979 | Hail | 1.75 in | — | — | — | — | County |
| 16 May 1977 | Hail | 0.75 in | — | — | — | — | County |
| 12 Jul 1965 | Hail | 3.00 in | — | — | — | — | County |
| 9 Aug 1961 | Hail | 1.75 in | — | — | — | — | County |
| 9 Aug 1959 | Hail | 0.75 in | — | — | — | — | County |
| 12 Jul 1957 | Hail | 2.00 in | — | — | — | — | County |
Questions and answers
How many hail events has Gregory County had?
247 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 Gregory County?
17 May 2026 (Hail, 1.25 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Gregory County?
The hail of 3 Aug 2009, with property damage estimated by NCEI at $2.0M and crop damage at $1.0M.
How does Gregory County compare with South Dakota for hail?
24.3 events per 100 square miles against 22.4 statewide; the county holds 247 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.