Hail history for Warren County, Ohio
Every NOAA hail report filed in Warren County since 1974, with preliminary National Weather Service reports to November 3, 2026.
Readout · Warren County
- Last hail
- Aug 11, 2026
- 0.70 in, marble size · preliminary
- Hail days, last 5 years
- 8
- since Nov 3, 2021 · 11 reports
- Largest ever
- 4.00 in
- grapefruit · Jun 30, 1990
128 reports on 81 days since 1974 · #19 of 89 Ohio counties
Hail map · Warren 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 Warren County
The latest hail report in Warren County is from August 11, 2026, 0.70 in (marble size). Since November 3, 2021 there have been 8 separate hail days; the biggest stones in that time were 1.50 in on July 18, 2023.
Over the 20 years 2006–2025, Warren County logged 91 reports on 51 hail days, about 4.5 reports a year. That is 86% more than the median Ohio county (2.5 a year) and ranks #19 of 89 Ohio counties for all-time reports. Warren County holds 1% of all 9,190 hail reports in Ohio.
4% of reports with a size were 2 inches (hen egg) or larger, against 3% for the median Ohio county. The largest hail on record here is 4.00 in (grapefruit) on June 30, 1990.
Reports were down 56% in 2016–2025 (28) compared with 2006–2015 (63). The busiest year was 2013, with 12 reports on 3 days. Hail here peaks in April (29% of reports); 66% fall between April and June.
Reports a year 2006–2025 average
- Warren County 4.5
- Median Ohio county 2.5
Hail days 2006–2025
- Warren County 51
- Median Ohio county 31
Share 2 in or larger of sized reports
- Warren County 4%
- Median Ohio county 3%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 2 | 1 | 1 | 1 | 5 | ||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 3 | 3 | |||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 7 | 1 | 1 | 9 | |||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 11, 2026 | 1 | 0.70 in | View |
| Jun 28, 2025 | 1 | 0.75 in | — |
| May 16, 2025 | 1 | 0.88 in | — |
| Apr 4, 2025 | 1 | 1.00 in | — |
| Feb 27, 2025 | 2 | 1.00 in | — |
| May 7, 2024 | 1 | 0.75 in | — |
| Jul 18, 2023 | 3 | 1.50 in | — |
| May 21, 2022 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jun 30, 1990 | 4.00 ingrapefruit | — | 16:05 local · NCEI |
| Apr 3, 1974 | 2.75 inbaseball | — | 15:45 local · NCEI |
| Apr 8, 2020 | 2.00 inhen egg | 2.12 SE Socialville | 21:31 local · NCEI |
| Apr 16, 2013 | 2.00 inhen egg | 0.53 E Fosters | 16:29 local · NCEI |
| Jun 2, 2009 | 2.00 inhen egg | Springboro | 17:25 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 72 56%
- 1–2 in 51 40%
- 2 in + 5 4%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Aug 11, 2026 | 0.70 inmarble | Harveysburg | 19:30 UTC · NWS prelim. |
| Jun 28, 2025 | 0.75 inpenny | South Lebanon | 17:50 local · NCEI |
| May 16, 2025 | 0.88 innickel | 1.74 ENE Blue Ball | 20:05 local · NCEI |
| Apr 4, 2025 | 1.00 inquarter | 1.07 W Edgetown | 22:40 local · NCEI |
| Feb 27, 2025 | 1.00 inquarter | 0.53 W Crosswick | 17:46 local · NCEI |
| Feb 27, 2025 | 1.00 inquarter | 1.6 E Springboro | 16:20 local · NCEI |
| May 7, 2024 | 0.75 inpenny | 1.07 E Maineville | 21:08 local · NCEI |
| Jul 18, 2023 | 1.00 inquarter | 1.48 SSW Mason | 16:25 local · NCEI |
| Jul 18, 2023 | 1.50 inping pong ball | 4.18 N Middleboro | 15:29 local · NCEI |
| Jul 18, 2023 | 1.00 inquarter | 4.18 N Middleboro | 15:21 local · NCEI |
| May 21, 2022 | 0.75 inpenny | 0.53 E Blackhawk | 14:13 local · NCEI |
| Jun 29, 2021 | 1.00 inquarter | 1.75 WNW Loveland Park | 18:19 local · NCEI |
Cities and towns in Warren County
| Place | Reports | Largest |
|---|---|---|
| Mason | 37 | 2.75 in |
| Lebanon | 24 | 1.75 in |
| Springboro | 15 | 2.00 in |
| Waynesville | 14 | 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 |
|---|---|---|---|
| Franklin | 5 | 5 | Sep 6, 2018 |
| Butlerville | 4 | 4 | May 21, 2022 |
| Morrow | 4 | 4 | Jul 9, 2020 |
| South Lebanon | 4 | 4 | Jun 28, 2025 |
| Landen | 3 | 3 | Jun 29, 2021 |
| Maineville | 2 | 2 | May 7, 2024 |
| Five Points | 1 | 1 | Apr 4, 2025 |
| Kings Mills | 1 | 1 | Jun 22, 2008 |
| Pleasant Plain | 1 | 1 | May 22, 2011 |
| Roachester | 1 | 1 | Apr 16, 2013 |
Questions about hail in Warren County
How often does it hail in Warren County, Ohio?
128 hail reports have been logged in Warren County since 1974. Over the 20 years 2006–2025 that averages 4.5 reports a year. That ranks #19 of 89 Ohio counties by number of reports.
When is hail season in Warren County?
Most reports come in April, May, June. April alone accounts for 29% of all reports.
What is the largest hail recorded in Warren County?
4.00 in (grapefruit size) on June 30, 1990. 4% of reports here were 2 inches or larger.
When did it last hail in Warren County?
The most recent report in this data is from August 11, 2026 (0.70 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Warren County had in the last five years?
8 separate days with hail reports since November 3, 2021, adding up to 11 reports. The most recent was August 11, 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.