Hail history for Clark County, South Dakota
Every NOAA hail report filed in Clark County since 1963, with preliminary National Weather Service reports to November 3, 2026.
Readout · Clark County
- Last hail
- Jul 2, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 11
- since Nov 3, 2021 · 19 reports
- Largest ever
- 4.50 in
- softball · May 5, 1964
235 reports on 138 days since 1963 · #25 of 67 South Dakota counties
Hail map · Clark County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Clark County
The latest hail report in Clark County is from July 2, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 11 separate hail days; the biggest stones in that time were 1.75 in on August 5, 2024.
Over the 20 years 2006–2025, Clark County logged 110 reports on 49 hail days, about 5.5 reports a year. That is about the same as the median South Dakota county (5.5 a year) and ranks #25 of 67 South Dakota counties for all-time reports. Clark County holds 1% of all 17,223 hail reports in South Dakota.
9% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median South Dakota county. The largest hail on record here is 4.50 in (softball) on May 5, 1964.
Reports were down 63% in 2016–2025 (30) compared with 2006–2015 (80). The busiest year was 2006, with 24 reports on 5 days. Hail here peaks in July (36% of reports); 48% fall between April and June.
Reports a year 2006–2025 average
- Clark County 5.5
- Median South Dakota county 5.5
Hail days 2006–2025
- Clark County 49
- Median South Dakota county 54
Share 2 in or larger of sized reports
- Clark County 9%
- Median South Dakota county 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | 2 | ||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 6 | 1 | 1 | 8 | |||||||||
| 2023 | 4 | 4 | |||||||||||
| 2022 | 3 | 1 | 4 | ||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 2 | 2 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | 2 | ||||||||||
| 2017 | 2 | 1 | 1 | 4 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 2, 2026 | 1 | 1.00 in | — |
| Jun 3, 2026 | 1 | 1.00 in | — |
| Jun 19, 2025 | 1 | 1.00 in | — |
| Aug 5, 2024 | 1 | 1.75 in | — |
| Jul 6, 2024 | 1 | 1.00 in | — |
| Jun 2, 2024 | 6 | 1.75 in | — |
| Jul 25, 2023 | 1 | 1.00 in | — |
| Jul 13, 2023 | 3 | 1.25 in | — |
| Jun 29, 2022 | 1 | 1.00 in | — |
| May 12, 2022 | 2 | 1.00 in | — |
| May 9, 2022 | 1 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| May 5, 1964 | 4.50 insoftball | — | — | 17:10 local · NCEI |
| May 20, 1965 | 4.00 ingrapefruit | — | — | 18:40 local · NCEI |
| Jul 17, 2010 | 2.75 inbaseball | 0.49 W Clark | — | 16:35 local · NCEI |
| Jul 17, 2010 | 2.75 inbaseball | 10.34 WNW Crocker | — | 15:51 local · NCEI |
| Jun 12, 1994 | 2.75 inbaseball | Willow Lake | $50K | 16:30 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
- Under 1 in 95 40%
- 1–2 in 120 51%
- 2 in + 20 9%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 2, 2026 | 1.00 inquarter | 7.71 WSW Willow Lake | 16:45 local · NCEI |
| Jun 3, 2026 | 1.00 inquarter | 1.2 NW Willow Lake | 19:50 local · NCEI |
| Jun 19, 2025 | 1.00 inquarter | 0.49 W Clark | 22:13 local · NCEI |
| Aug 5, 2024 | 1.75 ingolf ball | 0.49 W Elrod | 01:04 local · NCEI |
| Jul 6, 2024 | 1.00 inquarter | 6.72 ESE Willow Lake | 16:17 local · NCEI |
| Jun 2, 2024 | 0.75 inpenny | 0.85 NW Bradley | 19:42 local · NCEI |
| Jun 2, 2024 | 1.00 inquarter | 0.98 W Elrod | 18:59 local · NCEI |
| Jun 2, 2024 | 1.00 inquarter | 5.61 N Carpenter | 18:02 local · NCEI |
| Jun 2, 2024 | 1.75 ingolf ball | 2.86 SE Willow Lake | 17:53 local · NCEI |
| Jun 2, 2024 | 1.25 inhalf dollar | 3.03 WNW Willow Lake | 17:45 local · NCEI |
| Jun 2, 2024 | 1.00 inquarter | 5.08 SW Elrod | 17:30 local · NCEI |
| Jul 25, 2023 | 1.00 inquarter | 0.49 W Naples | 23:20 local · NCEI |
Cities and towns in Clark County
| Place | Reports | Largest |
|---|---|---|
| Clark | 34 | 4.50 in |
| Silver Lake Colony | 20 | 2.75 in |
| Willow Lake | 20 | 2.00 in |
| Naples | 15 | 2.75 in |
| Garden City | 14 | 2.50 in |
| Raymond | 10 | 1.75 in |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Bradley | 9 | 9 | Jun 2, 2024 |
| Collins Colony | 7 | 6 | Jul 2, 2026 |
| Crocker | 7 | 6 | Aug 28, 2012 |
| Shamrock Colony | 7 | 7 | Jul 8, 2020 |
| Vienna | 7 | 6 | Jul 2, 2018 |
| Hillcrest Colony | 3 | 3 | Jul 9, 2009 |
| Fordham Colony | 2 | 1 | Jun 19, 1991 |
| Clark Colony | 1 | 1 | May 30, 2011 |
Questions about hail in Clark County
How often does it hail in Clark County, South Dakota?
235 hail reports have been logged in Clark County since 1963. Over the 20 years 2006–2025 that averages 5.5 reports a year. That ranks #25 of 67 South Dakota counties by number of reports.
When is hail season in Clark County?
Most reports come in July, June, May. July alone accounts for 36% of all reports.
What is the largest hail recorded in Clark County?
4.50 in (softball size) on May 5, 1964. 9% of reports here were 2 inches or larger.
When did it last hail in Clark County?
The most recent report in this data is from July 2, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Clark County had in the last five years?
11 separate days with hail reports since November 3, 2021, adding up to 19 reports. The most recent was July 2, 2026.
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.