Hail history for Willow Lake, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of Willow Lake since 1982, with preliminary reports to November 3, 2026.
Readout · Willow Lake
- Last hail
- Jun 3, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 2.00 in
- hen egg · Jul 29, 1986
20 reports on 17 days since 1982 · #128 of 305 South Dakota places
Hail map · Willow Lake
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Willow Lake is from June 3, 2026. A local roofer can check and document it at no cost.
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What the record says about Willow Lake
The latest hail report in and around Willow Lake is from June 3, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.25 in on June 2, 2024.
Over the 20 years 2006–2025, Willow Lake logged 9 reports on 7 hail days, about 0.5 reports a year. That is about the same as the median South Dakota town on this site (0.5 a year) and ranks #128 of 305 South Dakota cities and towns on this site for all-time reports. Willow Lake accounts for 9% of the 235 reports filed in Clark County.
5% 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 29, 1986.
Reports were down 88% in 2016–2025 (1) compared with 2006–2015 (8). The busiest year was 1986, with 3 reports on 3 days. Hail here peaks in June (35% of reports); 50% fall between April and June.
Reports a year 2006–2025 average
- Willow Lake 0.5
- Clark County 5.5
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- Willow Lake 7
- Clark County 49
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- Willow Lake 5%
- Clark County 9%
- Median South Dakota town on this site 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 3, 2026 | 1 | 1.00 in | — |
| Jun 2, 2024 | 1 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 29, 1986 | 2.00 inhen egg | — | Clark | 19:21 local · NCEI |
| May 17, 1996 | 1.75 ingolf ball | 3 NW Willow Lake | Clark | 16:05 local · NCEI |
| Jul 18, 1986 | 1.75 ingolf ball | — | Clark | 14:00 local · NCEI |
| Jun 2, 2024 | 1.25 inhalf dollar | 3.03 WNW Willow Lake | Clark | 17:45 local · NCEI |
| Jun 3, 2026 | 1.00 inquarter | 1.2 NW Willow Lake | Clark | 19:50 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 9 45%
- 1–2 in 10 50%
- 2 in + 1 5%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 3, 2026 | 1.00 inquarter | 1.2 NW Willow Lake | Clark | 19:50 local · NCEI |
| Jun 2, 2024 | 1.25 inhalf dollar | 3.03 WNW Willow Lake | Clark | 17:45 local · NCEI |
| Jun 6, 2015 | 1.00 inquarter | 1.2 NW Willow Lake | Clark | 17:45 local · NCEI |
| Jun 6, 2015 | 0.75 inpenny | 3.99 W Willow Lake | Clark | 17:30 local · NCEI |
| Jul 24, 2014 | 1.00 inquarter | 3.26 WSW Willow Lake | Clark | 09:23 local · NCEI |
| May 5, 2012 | 1.00 inquarter | 1.2 NW Willow Lake | Clark | 19:00 local · NCEI |
| Jul 7, 2009 | 0.88 innickel | 2.13 NNW Willow Lake | Clark | 15:57 local · NCEI |
| Jul 7, 2009 | 1.00 inquarter | 0.69 N Willow Lake | Clark | 14:17 local · NCEI |
| Jun 12, 2008 | 1.00 inquarter | 0.94 NW Willow Lake | Clark | 15:16 local · NCEI |
| Apr 21, 2007 | 0.88 innickel | 4 W Willow Lake | Clark | 18:55 local · NCEI |
| Jun 22, 2003 | 0.88 innickel | Willow Lake | Clark | 15:15 local · NCEI |
| Aug 3, 2002 | 0.75 inpenny | 2 S Willow Lake | Clark | 15:20 local · NCEI |
Hail history near Willow Lake
Questions about hail in Willow Lake
How often does it hail in Willow Lake, South Dakota?
20 hail reports have been logged in and within about 5 km (3 miles) of Willow Lake since 1982. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #128 of 305 South Dakota places by number of reports.
When is hail season in Willow Lake?
Most reports come in June, July, August. June alone accounts for 35% of all reports.
What is the largest hail recorded in Willow Lake?
2.00 in (hen egg size) on July 29, 1986. 5% of reports here were 2 inches or larger.
When did it last hail in Willow Lake?
The most recent report in this data is from June 3, 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 Willow Lake had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was June 3, 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.