Hail history for Allegheny County, Pennsylvania
Every NOAA hail report filed in Allegheny County since 1962, with preliminary National Weather Service reports to November 3, 2026.
Readout · Allegheny County
- Last hail
- Sep 3, 2026
- 1.50 in, ping pong ball size · preliminary
- Hail days, last 5 years
- 14
- since Nov 3, 2021 · 73 reports
- Largest ever
- 2.50 in
- tennis ball · Apr 14, 1984
446 reports on 170 days since 1962 · #1 of 68 Pennsylvania counties
Hail map · Allegheny 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 Allegheny County is from September 3, 2026. A local roofer can check and document it at no cost.
Phone line opening soon
What the record says about Allegheny County
The latest hail report in Allegheny County is from September 3, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 14 separate hail days; the biggest stones in that time were 2.00 in on May 25, 2024.
Over the 20 years 2006–2025, Allegheny County logged 301 reports on 76 hail days, about 15.1 reports a year. That is 7.3 times the median Pennsylvania county (2.0 a year) and ranks #1 of 68 Pennsylvania counties for all-time reports. Allegheny County holds 8% of all 5,542 hail reports in Pennsylvania.
2% 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 April 14, 1984.
Reports held about level in 2016–2025 (143) compared with 2006–2015 (158). The busiest year was 2025, with 43 reports on 3 days. Hail here peaks in June (23% of reports); 58% fall between April and June.
Reports a year 2006–2025 average
- Allegheny County 15.1
- Median Pennsylvania county 2.0
Hail days 2006–2025
- Allegheny County 76
- Median Pennsylvania county 22.5
Share 2 in or larger of sized reports
- Allegheny County 2%
- 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 | 9 | 33 | 1 | 43 | |||||||||
| 2024 | 1 | 16 | 6 | 23 | |||||||||
| 2023 | 1 | 1 | 2 | ||||||||||
| 2022 | 1 | 3 | 4 | ||||||||||
| 2021 | 18 | 2 | 1 | 21 | |||||||||
| 2020 | 4 | 2 | 6 | ||||||||||
| 2019 | 6 | 2 | 2 | 5 | 2 | 17 | |||||||
| 2018 | 1 | 1 | 2 | 2 | 6 | ||||||||
| 2017 | 4 | 5 | 9 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 3, 2026 | 1 | 1.50 in | View |
| Jul 16, 2025 | 1 | 1.25 in | — |
| Apr 2, 2025 | 33 | 1.75 in | — |
| Mar 16, 2025 | 9 | 1.25 in | — |
| Aug 29, 2024 | 1 | 1.00 in | — |
| Aug 17, 2024 | 1 | 0.75 in | — |
| Aug 6, 2024 | 4 | 1.00 in | — |
| May 25, 2024 | 15 | 2.00 in | — |
| May 11, 2024 | 1 | 0.75 in | — |
| Apr 14, 2024 | 1 | 0.75 in | — |
| Aug 12, 2023 | 1 | 1.00 in | — |
| Jun 3, 2023 | 1 | 1.00 in | — |
| Jul 23, 2022 | 3 | 1.00 in | — |
| Jun 22, 2022 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Apr 14, 1984 | 2.50 intennis ball | — | 12:35 local · NCEI |
| Apr 14, 1984 | 2.50 intennis ball | — | 11:40 local · NCEI |
| May 25, 2024 | 2.00 inhen egg | 0.53 E Imperial | 16:32 local · NCEI |
| May 28, 2019 | 2.00 inhen egg | 0.69 N Bakerstown Station | 16:36 local · NCEI |
| Jul 4, 2012 | 2.00 inhen egg | 0.53 E Wilmerding | 17:36 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 198 44%
- 1–2 in 239 54%
- 2 in + 9 2%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 3, 2026 | 1.50 inping pong ball | 1 SW Braddock | 22:30 UTC · NWS prelim. |
| Jul 16, 2025 | 1.25 inhalf dollar | 0.58 N Bakerstown Station | 17:20 local · NCEI |
| Apr 2, 2025 | 0.75 inpenny | 0.87 SW Dravosburg | 13:47 local · NCEI |
| Apr 2, 2025 | 1.25 inhalf dollar | 0.87 SW Fox Chapel | 13:40 local · NCEI |
| Apr 2, 2025 | 0.75 inpenny | 1.05 W Wilkins Township | 13:34 local · NCEI |
| Apr 2, 2025 | 1.00 inquarter | 1.48 NNE Forest Hills | 13:34 local · NCEI |
| Apr 2, 2025 | 0.75 inpenny | 0.69 S Unity Jct | 13:33 local · NCEI |
| Apr 2, 2025 | 0.88 innickel | 1.72 WNW Parkview | 13:25 local · NCEI |
| Apr 2, 2025 | 0.75 inpenny | 1.26 ENE Shalecrest | 13:25 local · NCEI |
| Apr 2, 2025 | 0.75 inpenny | 2.1 E Highland | 13:25 local · NCEI |
| Apr 2, 2025 | 1.00 inquarter | 1.72 ENE Shalecrest | 13:24 local · NCEI |
| Apr 2, 2025 | 1.00 inquarter | 0.69 N Shalecrest | 13:24 local · NCEI |
Cities and towns in Allegheny County
| Place | Reports | Largest |
|---|---|---|
| Pittsburgh | 81 | 2.50 in |
| Imperial | 26 | 2.00 in |
| Carnot-Moon | 25 | 1.75 in |
| East McKeesport | 18 | 2.00 in |
| Franklin Park | 18 | 1.75 in |
| Bethel Park | 14 | 1.75 in |
| Penn Hills | 14 | 1.25 in |
| West Mifflin | 14 | 2.00 in |
| West View | 11 | 1.75 in |
| Allison Park | 10 | 1.75 in |
| McKeesport | 10 | 2.00 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 |
|---|---|---|---|
| Bridgeville | 9 | 6 | Sep 28, 2019 |
| Pennsbury Village | 9 | 8 | May 25, 2024 |
| Sewickley Heights | 9 | 9 | Apr 2, 2025 |
| Gibsonia | 8 | 8 | Jul 16, 2025 |
| Monroeville | 8 | 7 | Apr 3, 2018 |
| Carnegie | 7 | 7 | Jun 14, 2021 |
| Fox Chapel | 7 | 6 | Apr 2, 2025 |
| Oakmont | 7 | 7 | Aug 2, 2019 |
| White Oak | 7 | 6 | Aug 15, 2019 |
| Clinton | 6 | 6 | May 25, 2024 |
| Mount Lebanon | 6 | 3 | Aug 3, 2015 |
| Tarentum | 6 | 6 | Aug 6, 2024 |
| Green Tree | 5 | 4 | Aug 3, 2015 |
| Jefferson Hills | 5 | 5 | Aug 29, 2024 |
| Natrona Heights | 5 | 4 | Mar 16, 2025 |
| Plum | 5 | 3 | Apr 2, 2025 |
| Russellton | 5 | 5 | Mar 16, 2025 |
| Rennerdale | 4 | 3 | May 25, 2024 |
| Avalon | 3 | 2 | Apr 2, 2025 |
| Bakerstown | 3 | 1 | May 28, 2019 |
| Baldwin | 3 | 3 | May 14, 2010 |
| Bradford Woods | 3 | 3 | Apr 14, 2024 |
| Coraopolis | 3 | 3 | Aug 3, 2015 |
| Emsworth | 3 | 2 | Apr 2, 2025 |
| Glenshaw | 3 | 2 | Apr 2, 2025 |
| McKees Rocks | 3 | 2 | Jun 28, 2013 |
| Oakdale | 3 | 3 | May 25, 2024 |
| Pleasant Hills | 3 | 2 | Apr 10, 2013 |
| Wilkinsburg | 3 | 3 | Apr 2, 2025 |
| Bell Acres | 2 | 2 | May 31, 2002 |
| Bellevue | 2 | 2 | Apr 2, 2025 |
| Brackenridge | 2 | 2 | Mar 16, 2025 |
| Brentwood | 2 | 2 | Jul 3, 1996 |
| Crafton | 2 | 2 | Jun 28, 2013 |
| Edgeworth | 2 | 2 | Apr 2, 2025 |
| Glassport | 2 | 1 | Mar 28, 2012 |
| Greenock | 2 | 2 | Jul 17, 2013 |
| Homestead | 2 | 2 | Jun 25, 2013 |
| Liberty | 2 | 2 | May 27, 2012 |
| Munhall | 2 | 2 | Jun 13, 2017 |
| Rosslyn Farms | 2 | 2 | Jun 30, 1990 |
| Turtle Creek | 2 | 2 | Jul 4, 2012 |
| Whitehall | 2 | 2 | Jul 15, 2018 |
| Bairdford | 1 | 1 | Jul 4, 2012 |
| Ben Avon Heights | 1 | 1 | Apr 2, 2025 |
| Braddock | 1 | 1 | Apr 14, 1984 |
| Castle Shannon | 1 | 1 | Aug 3, 2015 |
| Cheswick | 1 | 1 | Jun 18, 2013 |
| Churchill | 1 | 1 | Jul 23, 2022 |
| Dormont | 1 | 1 | Aug 3, 2015 |
| Dorseyville | 1 | 1 | May 17, 2004 |
| East Pittsburgh | 1 | 1 | Jun 17, 2004 |
| Edgewood | 1 | 1 | Jun 2, 1998 |
| Enlow | 1 | 1 | May 2, 2016 |
| Glenfield | 1 | 1 | Apr 2, 2025 |
| Lincoln | 1 | 1 | Jun 6, 2005 |
| Noblestown | 1 | 1 | Aug 3, 2015 |
| Springdale | 1 | 1 | Aug 12, 2023 |
| Sutersville | 1 | 1 | Apr 3, 1974 |
| Swissvale | 1 | 1 | Jun 13, 2021 |
| West Homestead | 1 | 1 | Jun 13, 2017 |
Questions about hail in Allegheny County
How often does it hail in Allegheny County, Pennsylvania?
446 hail reports have been logged in Allegheny County since 1962. Over the 20 years 2006–2025 that averages 15.1 reports a year. That ranks #1 of 68 Pennsylvania counties by number of reports.
When is hail season in Allegheny County?
Most reports come in June, April, July. June alone accounts for 23% of all reports.
What is the largest hail recorded in Allegheny County?
2.50 in (tennis ball size) on April 14, 1984. 2% of reports here were 2 inches or larger.
When did it last hail in Allegheny County?
The most recent report in this data is from September 3, 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 Allegheny County had in the last five years?
14 separate days with hail reports since November 3, 2021, adding up to 73 reports. The most recent was September 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.