Hail history for Jefferson County, Pennsylvania
Every NOAA hail report filed in Jefferson County since 1966, with preliminary National Weather Service reports to November 5, 2026.
Readout · Jefferson County
- Last hail
- Mar 22, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 3
- since Nov 5, 2021 · 6 reports
- Largest ever
- 2.00 in
- hen egg · Jul 11, 1976
79 reports on 48 days since 1966 · #26 of 68 Pennsylvania counties
Hail map · Jefferson 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 Jefferson County
The latest hail report in Jefferson County is from March 22, 2026, 1.00 in (quarter size). Since November 5, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.00 in on March 22, 2026.
Over the 20 years 2006–2025, Jefferson County logged 52 reports on 28 hail days, about 2.6 reports a year. That is 27% more than the median Pennsylvania county (2.0 a year) and ranks #26 of 68 Pennsylvania counties for all-time reports. Jefferson County holds 1% of all 5,542 hail reports in Pennsylvania.
1% 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 2.00 in (hen egg) on July 11, 1976.
Reports were up 17% in 2016–2025 (28) compared with 2006–2015 (24). The busiest year was 2012, with 8 reports on 3 days. Hail here peaks in May (34% of reports); 70% fall between April and June.
Reports a year 2006–2025 average
- Jefferson County 2.6
- Median Pennsylvania county 2.0
Hail days 2006–2025
- Jefferson County 28
- Median Pennsylvania county 22.5
Share 2 in or larger of sized reports
- Jefferson County 1%
- 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 | 0 | ||||||||||||
| 2024 | 4 | 4 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 3 | 1 | 1 | 5 | |||||||||
| 2020 | 2 | 2 | |||||||||||
| 2019 | 1 | 1 | 1 | 1 | 4 | ||||||||
| 2018 | 3 | 2 | 5 | ||||||||||
| 2017 | 1 | 6 | 7 |
Hail days since Nov 5, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Mar 22, 2026 | 1 | 1.00 in | — |
| Apr 14, 2024 | 4 | 1.00 in | — |
| Jun 1, 2022 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 11, 1976 | 2.00 inhen egg | — | 13:20 local · NCEI |
| May 28, 2019 | 1.75 ingolf ball | 2.95 NNW Kahletown | 15:41 local · NCEI |
| Oct 2, 2018 | 1.75 ingolf ball | 2.39 SE Red Mill | 17:00 local · NCEI |
| May 30, 2017 | 1.75 ingolf ball | 0.52 E Prescottville | 12:03 local · NCEI |
| Apr 20, 2017 | 1.75 ingolf ball | 1.56 E Munderf | 14:58 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 45 57%
- 1–2 in 33 42%
- 2 in + 1 1%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Mar 22, 2026 | 1.00 inquarter | 0.48 NNE Knox Dale | 17:02 local · NCEI |
| Apr 14, 2024 | 1.00 inquarter | 0.52 E Sykesville | 19:40 local · NCEI |
| Apr 14, 2024 | 1.00 inquarter | 0.69 S Brookville | 18:57 local · NCEI |
| Apr 14, 2024 | 0.88 innickel | 1.73 SE Big Run | 17:45 local · NCEI |
| Apr 14, 2024 | 0.88 innickel | 0.52 W Big Run | 17:40 local · NCEI |
| Jun 1, 2022 | 0.75 inpenny | 0.87 NE Lindsey | 20:00 local · NCEI |
| Sep 13, 2021 | 1.00 inquarter | 3.32 SW Kahletown | 17:56 local · NCEI |
| Aug 12, 2021 | 0.75 inpenny | 0.69 S Brookville | 16:35 local · NCEI |
| May 26, 2021 | 0.75 inpenny | 0.86 SE Lanes Mills | 12:20 local · NCEI |
| May 26, 2021 | 0.88 innickel | 1.48 SSE Lanes Mills | 12:19 local · NCEI |
| May 26, 2021 | 1.00 inquarter | 0.86 SE Lanes Mills | 12:19 local · NCEI |
| Apr 7, 2020 | 0.75 inpenny | 0.69 S Brookville | 22:54 local · NCEI |
Cities and towns in Jefferson County
| Place | Reports | Largest |
|---|---|---|
| Brookville | 15 | 1.75 in |
| Brockway | 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 |
|---|---|---|---|
| Punxsutawney | 7 | 7 | May 2, 2025 |
| Reynoldsville | 7 | 5 | May 15, 2018 |
| Sykesville | 5 | 4 | Apr 14, 2024 |
| Treasure Lake | 5 | 3 | May 26, 2021 |
| Corsica | 4 | 3 | Jun 29, 2019 |
| Big Run | 3 | 2 | Apr 14, 2024 |
| Worthville | 3 | 2 | Jun 5, 2002 |
| Falls Creek | 1 | 1 | Oct 2, 2018 |
Questions about hail in Jefferson County
How often does it hail in Jefferson County, Pennsylvania?
79 hail reports have been logged in Jefferson County since 1966. Over the 20 years 2006–2025 that averages 2.6 reports a year. That ranks #26 of 68 Pennsylvania counties by number of reports.
When is hail season in Jefferson County?
Most reports come in May, June, April. May alone accounts for 34% of all reports.
What is the largest hail recorded in Jefferson County?
2.00 in (hen egg size) on July 11, 1976. 1% of reports here were 2 inches or larger.
When did it last hail in Jefferson 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 5, 2026.
How many hail storms has Jefferson County had in the last five years?
3 separate days with hail reports since November 5, 2021, adding up to 6 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.