Hail history for Warren County, Pennsylvania
Every NOAA hail report filed in Warren County since 1955, with preliminary National Weather Service reports to November 3, 2026.
Readout · Warren County
- Last hail
- May 16, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 3 reports
- Largest ever
- 2.75 in
- baseball · May 31, 1985
44 reports on 37 days since 1955 · #46 of 68 Pennsylvania 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 May 16, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 2.50 in on July 20, 2023.
Over the 20 years 2006–2025, Warren County logged 23 reports on 18 hail days, about 1.1 reports a year. That is 44% less than the median Pennsylvania county (2.0 a year) and ranks #46 of 68 Pennsylvania counties for all-time reports. Warren County holds 1% of all 5,542 hail reports in Pennsylvania.
7% 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 2.75 in (baseball) on May 31, 1985.
Reports were down 65% in 2016–2025 (6) compared with 2006–2015 (17). The busiest year was 2007, with 5 reports on 4 days. Hail here peaks in May (27% of reports); 61% fall between April and June.
Reports a year 2006–2025 average
- Warren County 1.1
- Median Pennsylvania county 2.0
Hail days 2006–2025
- Warren County 18
- Median Pennsylvania county 22.5
Share 2 in or larger of sized reports
- Warren County 7%
- Median Pennsylvania county 3%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 2 | 2 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 2 | 2 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 16, 2025 | 1 | 1.00 in | — |
| Jul 20, 2023 | 2 | 2.50 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| May 31, 1985 | 2.75 inbaseball | — | 20:15 local · NCEI |
| May 31, 1985 | 2.75 inbaseball | — | 20:00 local · NCEI |
| Jul 20, 2023 | 2.50 intennis ball | 2.66 WNW Wrightsville | 17:56 local · NCEI |
| Jul 20, 2023 | 1.75 ingolf ball | 0.51 E Sugar Grove | 18:11 local · NCEI |
| Jun 13, 2021 | 1.75 ingolf ball | 1.17 NW Sheffield | 18:10 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 18 41%
- 1–2 in 23 52%
- 2 in + 3 7%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| May 16, 2025 | 1.00 inquarter | 0.86 NE Youngsville | 04:35 local · NCEI |
| Jul 20, 2023 | 1.75 ingolf ball | 0.51 E Sugar Grove | 18:11 local · NCEI |
| Jul 20, 2023 | 2.50 intennis ball | 2.66 WNW Wrightsville | 17:56 local · NCEI |
| Jun 13, 2021 | 1.00 inquarter | Sheffield | 18:12 local · NCEI |
| Jun 13, 2021 | 1.75 ingolf ball | 1.17 NW Sheffield | 18:10 local · NCEI |
| Jun 18, 2017 | 1.00 inquarter | 0.85 SE Sugar Grove | 14:55 local · NCEI |
| Jul 1, 2014 | 1.00 inquarter | 1.03 E Tidioute | 14:58 local · NCEI |
| Jun 28, 2013 | 0.75 inpenny | Sheffield | 12:00 local · NCEI |
| Jun 28, 2013 | 1.00 inquarter | 0.86 SE Scandia | 11:30 local · NCEI |
| May 10, 2013 | 1.00 inquarter | 2.14 NNW Pittsfield Arpt | 15:35 local · NCEI |
| May 10, 2013 | 1.00 inquarter | 1.72 SE Garland | 15:32 local · NCEI |
| May 29, 2012 | 1.00 inquarter | Columbus | 11:00 local · NCEI |
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 |
|---|---|---|---|
| Sheffield | 5 | 4 | Jun 13, 2021 |
| Warren | 5 | 5 | Jul 27, 2007 |
| Youngsville | 5 | 5 | May 16, 2025 |
| Sugar Grove | 3 | 3 | Jul 20, 2023 |
| Tidioute | 3 | 3 | Jul 1, 2014 |
| Clarendon | 2 | 2 | Sep 26, 2007 |
| Columbus | 1 | 1 | May 29, 2012 |
| Russell | 1 | 1 | Jun 29, 2008 |
| Starbrick | 1 | 1 | Aug 19, 2011 |
Questions about hail in Warren County
How often does it hail in Warren County, Pennsylvania?
44 hail reports have been logged in Warren County since 1955. Over the 20 years 2006–2025 that averages 1.1 reports a year. That ranks #46 of 68 Pennsylvania counties by number of reports.
When is hail season in Warren County?
Most reports come in May, June, July. May alone accounts for 27% of all reports.
What is the largest hail recorded in Warren County?
2.75 in (baseball size) on May 31, 1985. 7% 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 May 16, 2025 (1.00 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?
2 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was May 16, 2025.
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.