Hail History

Hail history for West Mifflin, Pennsylvania

NOAA hail reports in and within about 5 km (3 miles) of West Mifflin since 1980, with preliminary reports to November 3, 2026.

Readout · West Mifflin

Last hail
Sep 3, 2026
1.50 in, ping pong ball size · preliminary
Hail days, last 5 years
3
since Nov 3, 2021 · 3 reports
Largest ever
2.00 in
hen egg · Apr 14, 1984

14 reports on 12 days since 1980 · #50 of 108 Pennsylvania places

Hail map · West Mifflin

West Mifflin McKeesport East McKeesport Pittsburgh Bethel Park Penn Hills Irwin West View Murrysville 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; Allegheny County is shaded. Open street map

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What the record says about West Mifflin

The latest hail report in and around West Mifflin is from September 3, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.50 in on September 3, 2026.

Over the 20 years 2006–2025, West Mifflin logged 9 reports on 7 hail days, about 0.5 reports a year. That is about the same as the median Pennsylvania town on this site (0.5 a year) and ranks #50 of 108 Pennsylvania cities and towns on this site for all-time reports. West Mifflin accounts for 3% of the 446 reports filed in Allegheny County.

7% 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 2.00 in (hen egg) on April 14, 1984.

Reports were down 20% in 2016–2025 (4) compared with 2006–2015 (5). The busiest year was 2006, with 3 reports on 2 days. Hail here peaks in April (36% of reports); 64% fall between April and June.

Reports a year 2006–2025 average

  • West Mifflin 0.5
  • Allegheny County 15.1
  • Median Pennsylvania town on this site 0.5

Hail days 2006–2025

  • West Mifflin 7
  • Allegheny County 76
  • Median Pennsylvania town on this site 6

Share 2 in or larger of sized reports

  • West Mifflin 7%
  • Allegheny County 2%
  • Median Pennsylvania town on this site 0%

Hail over time

0123 1980: 1 reports, largest 0.75 in 1980 1983: 1 reports, largest 1.75 in 1984: 1 reports, largest 2.00 in 1990 2000 2003: 1 reports, largest 0.75 in 2006: 3 reports, largest 1.00 in 2009: 1 reports, largest 0.75 in 2010 2011: 1 reports, largest 1.00 in 2017: 2 reports, largest 1.00 in 2020 2024: 1 reports, largest 0.75 in 2025: 1 reports, largest 0.75 in 2026: 1 reports, largest 1.50 in
Reports per year, 1980–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb March: 1 reports (7%) Mar April: 5 reports (36%) Apr May: 2 reports (14%) May June: 2 reports (14%) Jun July: 1 reports (7%) Jul August: 2 reports (14%) Aug September: 1 reports (7%) Sep Oct Nov Dec
All 14 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 1 1
2024 1 1
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 2 2

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Sep 3, 2026 1 1.50 in View
Apr 2, 2025 1 0.75 in —
Aug 17, 2024 1 0.75 in —

Largest hail on record

Largest hail reports in West Mifflin
Date Size Location County Time · source
Apr 14, 1984 2.00 inhen egg — Allegheny 11:10 local · NCEI
May 22, 1983 1.75 ingolf ball — Allegheny 12:20 local · NCEI
Sep 3, 2026 1.50 inping pong ball 1 SW Braddock Allegheny 22:30 UTC · NWS prelim.
Jun 13, 2017 1.00 inquarter 0.87 SE West Mifflin Allegheny 16:07 local · NCEI
Jun 13, 2017 1.00 inquarter 0.87 SE West Mifflin Allegheny 15:54 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 West Mifflin
Date Size Location County Time · source
Sep 3, 2026 1.50 inping pong ball 1 SW Braddock Allegheny 22:30 UTC · NWS prelim.
Apr 2, 2025 0.75 inpenny 0.87 SW Dravosburg Allegheny 13:47 local · NCEI
Aug 17, 2024 0.75 inpenny 0.87 SE Whitaker Allegheny 16:15 local · NCEI
Jun 13, 2017 1.00 inquarter 0.87 SE West Mifflin Allegheny 16:07 local · NCEI
Jun 13, 2017 1.00 inquarter 0.87 SE West Mifflin Allegheny 15:54 local · NCEI
Mar 23, 2011 1.00 inquarter West Mifflin Allegheny 16:20 local · NCEI
Jul 21, 2009 0.75 inpenny 0.87 SE West Mifflin Allegheny 14:05 local · NCEI
Apr 13, 2006 1.00 inquarter West Mifflin Allegheny 17:45 local · NCEI
Apr 13, 2006 1.00 inquarter Duquesne Allegheny 17:40 local · NCEI
Apr 3, 2006 1.00 inquarter West Mifflin Allegheny 12:50 local · NCEI
Aug 26, 2003 0.75 inpenny Duquesne Allegheny 06:55 local · NCEI
Apr 14, 1984 2.00 inhen egg — Allegheny 11:10 local · NCEI

Hail history near West Mifflin

Questions about hail in West Mifflin

How often does it hail in West Mifflin, Pennsylvania?

14 hail reports have been logged in and within about 5 km (3 miles) of West Mifflin since 1980. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #50 of 108 Pennsylvania places by number of reports.

When is hail season in West Mifflin?

Most reports come in April, May, June. April alone accounts for 36% of all reports.

What is the largest hail recorded in West Mifflin?

2.00 in (hen egg size) on April 14, 1984. 7% of reports here were 2 inches or larger.

When did it last hail in West Mifflin?

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 West Mifflin had in the last five years?

3 separate days with hail reports since November 3, 2021, adding up to 3 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.