Hail History

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Hail history for Upper Saint Clair, PA

Last hail within 10 milesMay 13, 20261 in (quarter)
Hail days, last 12 months3
Largest hail since 20062 in (hen egg)Mar 28, 2020
Hail days since 200652
Days with hail 1 inch or larger30
Tornadoes within 10 miles5
Damaging wind reports within 10 miles434

Hail has been reported within 10 miles of Upper Saint Clair on 52 days since 2006. The largest stones measured 2 in (hen egg) on Mar 28, 2020. Hail is most common here in June and May.

Recent hail near Upper Saint Clair

DateHail sizeWhereSource
May 13, 20261 in
quarter		Finleyville
1 hail report · closest 7 mi from Upper Saint Clair		NOAA Storm Events
Mar 26, 20261 in
quarter		Linden
1 hail report · closest 7 mi from Upper Saint Clair		NOAA Storm Events
Mar 7, 20261 in
quarter		Gastonville
1 hail report · closest 7 mi from Upper Saint Clair		NOAA Storm Events
Apr 2, 20250.75 in
penny		Dravosburg
1 hail report · closest 9 mi from Upper Saint Clair		NOAA Storm Events
Mar 16, 20251 in
quarter		Bellevue, Option, Gastonville
3 hail reports · closest 5 mi from Upper Saint Clair		NOAA Storm Events

One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.

Hail days near Upper Saint Clair by year

5064071084093101113124131411521611741831922042122123424225326

When hail season peaks near Upper Saint Clair

Of the 52 hail days since 2006, most fell in June (13) and May (9).

JanFeb6Mar7Apr9May13Jun8Jul6Aug2Sep1OctNovDec

Largest hail storms near Upper Saint Clair

Mar 28, 2020 · 2 in (hen egg) · Mc Donald (8 mi from Upper Saint Clair)

National Weather Service description (English): Hail reported via social media; dents were made on cars.

Mar 23, 2011 · 1.75 in (golf ball) · East Carnegie (5 mi from Upper Saint Clair)

Apr 10, 2013 · 1.75 in (golf ball) · Sygan (2 mi from Upper Saint Clair)

May 2, 2016 · 1.75 in (golf ball) · Gayly (9 mi from Upper Saint Clair)

May 12, 2018 · 1.75 in (golf ball) · Thomas (7 mi from Upper Saint Clair)

Tornadoes within 10 miles of Upper Saint Clair

DateRatingWherePath
May 17, 2024EF?Allegheny Co Airport
8 mi from Upper Saint Clair		0.6 mi long, 50 yd wide
May 11, 2024EF2Bower Hill
5 mi from Upper Saint Clair		5.8 mi long, 200 yd wide
Oct 21, 2021EF1Thomas
6 mi from Upper Saint Clair		1.5 mi long, 200 yd wide
Jun 3, 2018EF0Finleyville
7 mi from Upper Saint Clair		0.1 mi long, 15 yd wide
Aug 9, 2007EF0Option
8 mi from Upper Saint Clair		0.5 mi long, 200 yd wide

Damaging thunderstorm winds near Upper Saint Clair

434 reports of damaging thunderstorm wind within 10 miles of Upper Saint Clair since 2006, on 138 days. The strongest measured gust was 77 mph on Nov 20, 2024.

DateStrongest gustWhereSource
Sep 12, 2026damage reportedGastonville, West Homestead
2 wind reports		NWS storm report (preliminary)
Sep 3, 2026damage reportedCanonsburg, Cecil-Bishop, Castle Shannon
6 wind reports		NWS storm report (preliminary)
Aug 10, 202640 mph, measuredWest Mifflin, Jefferson, South Park Townshi
3 wind reports		NWS storm report (preliminary)
Jul 18, 2026damage reportedSturgeon-Noblesto, Cecil-Bishop, McMurray
4 wind reports		NWS storm report (preliminary)
Jun 14, 202660 mph, measuredCarnegie, Morganza
2 wind reports		NOAA Storm Events
Apr 1, 202658 mph, estimatedWest Mifflin
1 wind report		NOAA Storm Events
Mar 31, 202658 mph, measuredGayly
1 wind report		NOAA Storm Events
Mar 7, 202658 mph, estimatedGambles, Thomas, Dormont
3 wind reports		NOAA Storm Events
Jul 16, 202558 mph, estimatedMc Kees Rocks
1 wind report		NOAA Storm Events
Jun 26, 202558 mph, estimatedMc Donald, Finleyville
2 wind reports		NOAA Storm Events

Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.

Filing a roof or car hail claim?

Insurers ask for the date of loss. The dates on this page are when hail was reported near Upper Saint Clair; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.

Nearby cities

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Upper Saint Clair.

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