Hail history for Ballwin, Missouri
NOAA hail reports in and within about 5 km (3 miles) of Ballwin since 1982, with preliminary reports to November 3, 2026.
Readout · Ballwin
- Last hail
- Sep 26, 2023
- 1.00 in, quarter size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 3 reports
- Largest ever
- 2.75 in
- baseball · Jul 4, 1982
14 reports on 14 days since 1982 · #340 of 491 Missouri places
Hail map · Ballwin
- 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 Ballwin
The latest hail report in and around Ballwin is from September 26, 2023, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.00 in on September 26, 2023.
Over the 20 years 2006–2025, Ballwin logged 9 reports on 9 hail days, about 0.5 reports a year. That is 10% less than the median Missouri town on this site (0.5 a year) and ranks #340 of 491 Missouri cities and towns on this site for all-time reports. Ballwin accounts for 2% of the 660 reports filed in St. Louis County.
7% of reports with a size were 2 inches (hen egg) or larger, against 5% for the median Missouri town on this site. The largest hail on record here is 2.75 in (baseball) on July 4, 1982.
Reports were down 50% in 2016–2025 (3) compared with 2006–2015 (6). The busiest year was 2023, with 2 reports on 2 days. Hail here peaks in April (21% of reports); 50% fall between April and June.
Reports a year 2006–2025 average
- Ballwin 0.5
- St. Louis County 16.9
- Median Missouri town on this site 0.5
Hail days 2006–2025
- Ballwin 9
- St. Louis County 108
- Median Missouri town on this site 9
Share 2 in or larger of sized reports
- Ballwin 7%
- St. Louis County 8%
- Median Missouri town on this site 5%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | 2 | ||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 26, 2023 | 1 | 1.00 in | — |
| Jun 30, 2023 | 1 | 1.00 in | — |
| Dec 10, 2021 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jul 4, 1982 | 2.75 inbaseball | — | St. Louis | — | 01:27 local · NCEI |
| Sep 1, 2014 | 1.75 ingolf ball | 1.19 SE Ballwin | St. Louis | — | 21:50 local · NCEI |
| Jun 4, 2012 | 1.75 ingolf ball | 1.72 NE Ballwin | St. Louis | —1 injured | 15:43 local · NCEI |
| Jul 9, 2007 | 1.25 inhalf dollar | Ballwin | St. Louis | — | 16:05 local · NCEI |
| Sep 26, 2023 | 1.00 inquarter | 1.34 N Fern Glen | St. Louis | — | 16:22 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 2 14%
- 1–2 in 11 79%
- 2 in + 1 7%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Sep 26, 2023 | 1.00 inquarter | 1.34 N Fern Glen | St. Louis | — | 16:22 local · NCEI |
| Jun 30, 2023 | 1.00 inquarter | 1.16 SE Ballwin | St. Louis | — | 17:25 local · NCEI |
| Dec 10, 2021 | 1.00 inquarter | 1.73 ENE Ballwin | St. Louis | — | 20:00 local · NCEI |
| Sep 1, 2014 | 1.75 ingolf ball | 1.19 SE Ballwin | St. Louis | — | 21:50 local · NCEI |
| Apr 3, 2014 | 1.00 inquarter | 1.45 NE Ballwin | St. Louis | — | 19:00 local · NCEI |
| Jun 4, 2012 | 1.75 ingolf ball | 1.72 NE Ballwin | St. Louis | —1 injured | 15:43 local · NCEI |
| Apr 19, 2011 | 1.00 inquarter | 1.43 NE Ballwin | St. Louis | — | 18:22 local · NCEI |
| May 25, 2008 | 1.00 inquarter | Ballwin | St. Louis | — | 19:15 local · NCEI |
| Jul 9, 2007 | 1.25 inhalf dollar | Ballwin | St. Louis | — | 16:05 local · NCEI |
| May 25, 2004 | 0.88 innickel | Ballwin | St. Louis | — | 13:40 local · NCEI |
| Oct 24, 2001 | 1.00 inquarter | Ballwin | St. Louis | $100K | 11:25 local · NCEI |
| Feb 27, 1999 | 1.00 inquarter | Ballwin | St. Louis | $50K | 11:30 local · NCEI |
Hail history near Ballwin
- Ellisville 3 km · 14
- Manchester 4 km · 12
- Chesterfield 7 km · 50
- Town and Country 7 km · 19
- Des Peres 9 km · 14
- Wildwood 10 km · 29
- Fenton 11 km · 24
- Kirkwood 11 km · 15
Questions about hail in Ballwin
How often does it hail in Ballwin, Missouri?
14 hail reports have been logged in and within about 5 km (3 miles) of Ballwin since 1982. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #340 of 491 Missouri places by number of reports.
When is hail season in Ballwin?
Most reports come in April, May, June. April alone accounts for 21% of all reports.
What is the largest hail recorded in Ballwin?
2.75 in (baseball size) on July 4, 1982. 7% of reports here were 2 inches or larger.
When did it last hail in Ballwin?
The most recent report in this data is from September 26, 2023 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Ballwin had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was September 26, 2023.
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.