Hail History

Hail history for Clarion, Pennsylvania

NOAA hail reports in and within about 5 km (3 miles) of Clarion since 1983, with preliminary reports to November 3, 2026.

Readout · Clarion

Last hail
May 13, 2026
1.00 in, quarter size
Hail days, last 5 years
3
since Nov 3, 2021 · 4 reports
Largest ever
1.75 in
golf ball · Aug 3, 2015

14 reports on 12 days since 1983 · #44 of 108 Pennsylvania places

Hail map · Clarion

Clarion Brookville Oil City Sugarcreek 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
14 most recent reports with a location; Clarion County is shaded. Open street map

For homeowners

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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 Clarion is from May 13, 2026. A local roofer can check and document it at no cost.

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What the record says about Clarion

The latest hail report in and around Clarion is from May 13, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.50 in on March 22, 2026.

Over the 20 years 2006–2025, Clarion logged 7 reports on 6 hail days, about 0.3 reports a year. That is 22% less than the median Pennsylvania town on this site (0.5 a year) and ranks #44 of 108 Pennsylvania cities and towns on this site for all-time reports. Clarion accounts for 20% of the 69 reports filed in Clarion County.

0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Pennsylvania town on this site. The largest hail on record here is 1.75 in (golf ball) on August 3, 2015 near 0.86 SE Clarion.

The busiest year was 2026, with 3 reports on 2 days. Hail here peaks in August (29% of reports); 50% fall between April and June.

Reports a year 2006–2025 average

  • Clarion 0.3
  • Clarion County 2.5
  • Median Pennsylvania town on this site 0.5

Hail days 2006–2025

  • Clarion 6
  • Clarion County 24
  • Median Pennsylvania town on this site 6

Share 2 in or larger of sized reports

  • Clarion 0%
  • Clarion County 3%
  • Median Pennsylvania town on this site 0%

Hail over time

0123 1983: 1 reports, largest 1.75 in 1985: 1 reports, largest 1.75 in 1990 2000 2003: 1 reports, largest 0.75 in 2005: 1 reports, largest 0.75 in 2006: 1 reports, largest 0.88 in 2010: 1 reports, largest 1.00 in 2010 2011: 1 reports, largest 0.88 in 2012: 1 reports, largest 0.75 in 2015: 2 reports, largest 1.75 in 2020 2024: 1 reports, largest 1.00 in 2026: 3 reports, largest 1.50 in
Reports per year, 1983–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb March: 2 reports (14%) Mar April: 3 reports (21%) Apr May: 2 reports (14%) May June: 2 reports (14%) Jun July: 1 reports (7%) Jul August: 4 reports (29%) Aug Sep Oct Nov Dec
All 14 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 21 3
2025 0
2024 1 1
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 13, 2026 1 1.00 in —
Mar 22, 2026 2 1.50 in —
Apr 17, 2024 1 1.00 in —

Largest hail on record

Largest hail reports in Clarion
Date Size Location County Time · source
Aug 3, 2015 1.75 ingolf ball 0.86 SE Clarion Clarion 21:02 local · NCEI
May 31, 1985 1.75 ingolf ball — Clarion 17:00 local · NCEI
Jul 20, 1983 1.75 ingolf ball — Clarion 12:15 local · NCEI
Mar 22, 2026 1.50 inping pong ball 0.82 NNE Williamsburg Clarion 16:02 local · NCEI
May 13, 2026 1.00 inquarter 0.88 SE Clarion Clarion 13:30 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

Most recent reports

Most recent hail reports in Clarion
Date Size Location County Time · source
May 13, 2026 1.00 inquarter 0.88 SE Clarion Clarion 13:30 local · NCEI
Mar 22, 2026 1.50 inping pong ball 0.82 NNE Williamsburg Clarion 16:02 local · NCEI
Mar 22, 2026 1.00 inquarter 0.87 SW Clarion Parker Arpt Clarion 16:02 local · NCEI
Apr 17, 2024 1.00 inquarter 1.04 E Clarion Parker Arpt Clarion 17:29 local · NCEI
Aug 3, 2015 1.75 ingolf ball 0.86 SE Clarion Clarion 21:02 local · NCEI
Aug 3, 2015 1.00 inquarter 1.71 WSW Williamsburg Clarion 20:50 local · NCEI
Jun 29, 2012 0.75 inpenny Clarion Clarion 00:55 local · NCEI
Aug 19, 2011 0.88 innickel 0.86 SW Clarion Parker Arpt Clarion 08:44 local · NCEI
Apr 25, 2010 1.00 inquarter 0.93 SW Clarion Parker Arpt Clarion 16:32 local · NCEI
Apr 3, 2006 0.88 innickel Clarion Clarion 13:43 local · NCEI
Jun 6, 2005 0.75 inpenny Clarion Clarion 13:49 local · NCEI
Aug 26, 2003 0.75 inpenny Clarion Clarion 08:40 local · NCEI

Hail history near Clarion

Questions about hail in Clarion

How often does it hail in Clarion, Pennsylvania?

14 hail reports have been logged in and within about 5 km (3 miles) of Clarion since 1983. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #44 of 108 Pennsylvania places by number of reports.

When is hail season in Clarion?

Most reports come in August, April, March. August alone accounts for 29% of all reports.

What is the largest hail recorded in Clarion?

1.75 in (golf ball size) on August 3, 2015 near 0.86 SE Clarion. 0% of reports here were 2 inches or larger.

When did it last hail in Clarion?

The most recent report in this data is from May 13, 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 Clarion had in the last five years?

3 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was May 13, 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.