Hail history for Butler County, Pennsylvania
Every NOAA hail report filed in Butler County since 1956, with preliminary National Weather Service reports to November 3, 2026.
Readout · Butler County
- Last hail
- Mar 22, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 6
- since Nov 3, 2021 · 43 reports
- Largest ever
- 2.50 in
- tennis ball · Mar 28, 2020
201 reports on 92 days since 1956 · #4 of 68 Pennsylvania counties
Hail map · Butler County
- 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 Butler County is from March 22, 2026. A local roofer can check and document it at no cost.
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What the record says about Butler County
The latest hail report in Butler County is from March 22, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 2.00 in on April 14, 2024.
Over the 20 years 2006–2025, Butler County logged 134 reports on 43 hail days, about 6.7 reports a year. That is 3.3 times the median Pennsylvania county (2.0 a year) and ranks #4 of 68 Pennsylvania counties for all-time reports. Butler County holds 4% of all 5,542 hail reports in Pennsylvania.
3% of reports with a size were 2 inches (hen egg) or larger, against 3% for the median Pennsylvania county. The largest hail on record here is 2.50 in (tennis ball) on March 28, 2020 near 0.52 W Chicora.
Reports were up 44% in 2016–2025 (79) compared with 2006–2015 (55). The busiest year was 2024, with 39 reports on 4 days. Hail here peaks in April (30% of reports); 55% fall between April and June.
Reports a year 2006–2025 average
- Butler County 6.7
- Median Pennsylvania county 2.0
Hail days 2006–2025
- Butler County 43
- Median Pennsylvania county 22.5
Share 2 in or larger of sized reports
- Butler County 3%
- Median Pennsylvania county 3%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 3 | 3 | |||||||||||
| 2024 | 5 | 33 | 1 | 39 | |||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 2 | 2 | 4 | ||||||||||
| 2020 | 12 | 1 | 13 | ||||||||||
| 2019 | 1 | 9 | 4 | 14 | |||||||||
| 2018 | 1 | 1 | 2 | ||||||||||
| 2017 | 3 | 3 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Mar 22, 2026 | 1 | 1.00 in | — |
| Apr 19, 2025 | 3 | 1.00 in | — |
| Oct 6, 2024 | 1 | 1.00 in | — |
| Apr 17, 2024 | 2 | 1.25 in | — |
| Apr 14, 2024 | 31 | 2.00 in | — |
| Mar 14, 2024 | 5 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Mar 28, 2020 | 2.50 intennis ball | 0.52 W Chicora | 15:35 local · NCEI |
| Mar 28, 2020 | 2.50 intennis ball | 2.62 W Jefferson Center | 15:10 local · NCEI |
| Apr 14, 2024 | 2.00 inhen egg | 1.25 WNW Hallston | 17:32 local · NCEI |
| May 28, 2019 | 2.00 inhen egg | 0.52 W Downieville | 16:37 local · NCEI |
| Mar 25, 1987 | 2.00 inhen egg | — | 13:05 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 91 45%
- 1–2 in 105 52%
- 2 in + 5 2%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Mar 22, 2026 | 1.00 inquarter | 1.27 NW Butler | 18:55 local · NCEI |
| Apr 19, 2025 | 1.00 inquarter | 0.69 N Mars | 13:05 local · NCEI |
| Apr 19, 2025 | 0.75 inpenny | 0.87 SW Ogle | 13:03 local · NCEI |
| Apr 19, 2025 | 0.88 innickel | 1.73 NW Buhls | 12:52 local · NCEI |
| Oct 6, 2024 | 1.00 inquarter | Elora | 18:06 local · NCEI |
| Apr 17, 2024 | 1.25 inhalf dollar | 0.87 SE Bonus | 18:51 local · NCEI |
| Apr 17, 2024 | 1.25 inhalf dollar | 0.87 SE Bonus | 18:49 local · NCEI |
| Apr 14, 2024 | 0.88 innickel | 0.52 W Great Belt | 20:25 local · NCEI |
| Apr 14, 2024 | 1.00 inquarter | 1.25 ESE Homeacre | 20:16 local · NCEI |
| Apr 14, 2024 | 1.00 inquarter | 0.87 NE Homeacre | 20:16 local · NCEI |
| Apr 14, 2024 | 0.75 inpenny | 0.52 W Meridian | 20:15 local · NCEI |
| Apr 14, 2024 | 0.75 inpenny | 1.25 ESE Homeacre | 20:15 local · NCEI |
Cities and towns in Butler County
| Place | Reports | Largest |
|---|---|---|
| Economy | 19 | 1.25 in |
| Butler | 16 | 1.00 in |
| Mars | 12 | 2.00 in |
| Saxonburg | 12 | 1.00 in |
| Slippery Rock | 12 | 1.75 in |
| Harmony | 11 | 2.00 in |
| Zelienople | 11 | 1.50 in |
| Homeacre-Lyndora | 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 |
|---|---|---|---|
| Shanor-Northvue | 8 | 4 | Apr 14, 2024 |
| West Liberty | 8 | 6 | Apr 14, 2024 |
| West Sunbury | 7 | 6 | Apr 14, 2024 |
| Portersville | 6 | 6 | Apr 14, 2024 |
| Chicora | 5 | 4 | Aug 25, 2020 |
| Valencia | 5 | 5 | May 28, 2019 |
| Seven Fields | 4 | 3 | May 28, 2019 |
| Evans City | 3 | 3 | Jul 21, 2009 |
| Harrisville | 3 | 3 | May 27, 2012 |
| Karns City | 3 | 1 | Apr 14, 2024 |
| Meridian | 3 | 2 | Apr 14, 2024 |
| Prospect | 3 | 3 | Mar 28, 2020 |
| Unionville | 3 | 3 | Apr 14, 2024 |
| Boyers | 2 | 2 | Mar 28, 2020 |
| Connoquenessing | 2 | 2 | Apr 19, 2025 |
| Eau Claire | 2 | 2 | Nov 9, 2005 |
| Fenelton | 2 | 2 | May 28, 2019 |
| Lake Arthur Estates | 2 | 2 | Mar 28, 2020 |
| North Washington | 2 | 2 | Apr 14, 2024 |
| Slippery Rock University | 2 | 2 | Apr 14, 2024 |
| Bruin | 1 | 1 | May 28, 2019 |
| Callery | 1 | 1 | Jul 6, 1991 |
| East Butler | 1 | 1 | Nov 20, 1988 |
| Fairview | 1 | 1 | Aug 3, 2015 |
| Forestville | 1 | 1 | Nov 9, 2005 |
| Nixon | 1 | 1 | Mar 28, 2020 |
| Oak Hills | 1 | 1 | Mar 28, 2020 |
| Petrolia | 1 | 1 | Jun 16, 2008 |
| Renfrew | 1 | 1 | May 15, 2018 |
Questions about hail in Butler County
How often does it hail in Butler County, Pennsylvania?
201 hail reports have been logged in Butler County since 1956. Over the 20 years 2006–2025 that averages 6.7 reports a year. That ranks #4 of 68 Pennsylvania counties by number of reports.
When is hail season in Butler County?
Most reports come in April, July, May. April alone accounts for 30% of all reports.
What is the largest hail recorded in Butler County?
2.50 in (tennis ball size) on March 28, 2020 near 0.52 W Chicora. 2% of reports here were 2 inches or larger.
When did it last hail in Butler County?
The most recent report in this data is from March 22, 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 Butler County had in the last five years?
6 separate days with hail reports since November 3, 2021, adding up to 43 reports. The most recent was March 22, 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.