Hail history for Sloan, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Sloan since 1967, with preliminary reports to November 3, 2026.
Readout · Sloan
- Last hail
- Jun 13, 2026
- 1.50 in, ping pong ball size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 5 reports
- Largest ever
- 2.00 in
- hen egg · Jun 12, 2024
15 reports on 12 days since 1967 · #274 of 483 Iowa places
Hail map · Sloan
- 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 Sloan
The latest hail report in and around Sloan is from June 13, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 2.00 in on June 12, 2024.
Over the 20 years 2006–2025, Sloan logged 8 reports on 5 hail days, about 0.4 reports a year. That is 11% less than the median Iowa town on this site (0.5 a year) and ranks #274 of 483 Iowa cities and towns on this site for all-time reports. Sloan accounts for 4% of the 387 reports filed in Woodbury County.
13% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Iowa town on this site. The largest hail on record here is 2.00 in (hen egg) on June 12, 2024 near 0.51 E Sloan.
Reports were up 67% in 2016–2025 (5) compared with 2006–2015 (3). The busiest year was 2024, with 4 reports on 1 day. Hail here peaks in June (40% of reports); 73% fall between April and June.
Reports a year 2006–2025 average
- Sloan 0.4
- Woodbury County 9.3
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Sloan 5
- Woodbury County 74
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Sloan 13%
- Woodbury County 4%
- Median Iowa town on this site 6%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 4 | 4 | |||||||||||
| 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 13, 2026 | 1 | 1.50 in | — |
| Jun 12, 2024 | 4 | 2.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 12, 2024 | 2.00 inhen egg | 0.51 E Sloan | Woodbury | 17:50 local · NCEI |
| Apr 1, 1967 | 2.00 inhen egg | — | Monona | 23:00 local · NCEI |
| Jun 12, 2024 | 1.75 ingolf ball | 0.69 N Sloan | Woodbury | 17:49 local · NCEI |
| Jul 20, 2003 | 1.75 ingolf ball | Sloan | Woodbury | 17:24 local · NCEI |
| Jun 23, 1998 | 1.75 ingolf ball | Sloan | Woodbury | 19:00 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 4 27%
- 1–2 in 9 60%
- 2 in + 2 13%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 13, 2026 | 1.50 inping pong ball | 0.69 N Sloan | Woodbury | 06:46 local · NCEI |
| Jun 12, 2024 | 2.00 inhen egg | 0.51 E Sloan | Woodbury | 17:50 local · NCEI |
| Jun 12, 2024 | 1.75 ingolf ball | 0.69 N Sloan | Woodbury | 17:49 local · NCEI |
| Jun 12, 2024 | 1.50 inping pong ball | 2.13 NNW Sloan | Woodbury | 17:33 local · NCEI |
| Jun 12, 2024 | 1.50 inping pong ball | 2.05 W Sloan | Woodbury | 17:29 local · NCEI |
| Apr 24, 2016 | 1.00 inquarter | 0.51 E Sloan | Woodbury | 17:05 local · NCEI |
| Apr 9, 2011 | 0.75 inpenny | 0.51 E Sloan | Woodbury | 17:40 local · NCEI |
| Jul 20, 2008 | 0.75 inpenny | 3.49 S Luton | Woodbury | 12:43 local · NCEI |
| May 5, 2007 | 1.00 inquarter | 3 E Sloan | Woodbury | 20:05 local · NCEI |
| Jul 20, 2003 | 1.75 ingolf ball | Sloan | Woodbury | 17:24 local · NCEI |
| Jul 4, 2003 | 0.88 innickel | Sloan | Woodbury | 22:14 local · NCEI |
| Jun 23, 1998 | 1.75 ingolf ball | Sloan | Woodbury | 19:00 local · NCEI |
Hail history near Sloan
- Salix 10 km · 25
- Hornick 11 km · 15
- Whiting 13 km · 16
- Climbing Hill 17 km · 19
- Bronson 20 km · 12
- Sergeant Bluff 21 km · 30
- Smithland 24 km · 11
- Onawa 26 km · 23
Questions about hail in Sloan
How often does it hail in Sloan, Iowa?
15 hail reports have been logged in and within about 5 km (3 miles) of Sloan since 1967. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #274 of 483 Iowa places by number of reports.
When is hail season in Sloan?
Most reports come in June, April, July. June alone accounts for 40% of all reports.
What is the largest hail recorded in Sloan?
2.00 in (hen egg size) on June 12, 2024 near 0.51 E Sloan. 13% of reports here were 2 inches or larger.
When did it last hail in Sloan?
The most recent report in this data is from June 13, 2026 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Sloan had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 5 reports. The most recent was June 13, 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.