NOAA Storm Events, 2016-2025
Hail in Pennsylvania, county by county
1,308 reported hail events across 67 countys, largest 4.00 in.
Reports
1,308
2016-2025
Counties affected
67
of all Pennsylvania counties with hail
Largest stone
4.00 in
in Northumberland County
Reports ≥ 2 in
48
3.7% of all reports
Reports have been roughly steady (+7%).
Counties ranked by hail reports
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| # | County | Reports | Largest | ≥ 2 in | ≥ 4 in | Most recent |
|---|---|---|---|---|---|---|
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Pennsylvania hail summary
The counties with the most reported hail in Pennsylvania are Allegheny (143 reports), Butler (79 reports), Westmoreland (67 reports). The largest stones on record in this period were reported in Northumberland (4.00 in), Washington (3.00 in), Lycoming (3.00 in).
What this does not tell you
A county is a large area and hail swaths are narrow, so a county count cannot tell you whether a particular property was hit. The methodology page sets out what this record can and cannot support.
Frequently asked questions
Which Pennsylvania county gets the most hail?
By reported events in this record, Allegheny County leads with 143 reports, ahead of Butler and Westmoreland.
What is the largest hailstone recorded in Pennsylvania?
The largest reported stone in this period is 4.00 in, in Northumberland County. Hailstone records are reported measurements, and estimates from photographs are common.
How often does Pennsylvania get damaging hail?
3.7% of the 1,308 reported events in this period reached 2 inches or more, the size at which shingle and vehicle damage becomes likely.