Pennsylvania Severe Weather

Weather warnings issued for Pennsylvania by the National Weather Service — what was warned, where, and how long it stayed in force. 5 of the 14 kept here were severe or extreme.

14 warnings

Every severity, newest first — a state page is where the minor ones are worth counting.

Warning	Where	Severity	In force until
Flash Flood WarningNWS State College PAAdams, PA; York, PASevere	Adams, PA; York, PAPA	Severeexpired	12 Oct 2026 02:15
Flood WarningNWS Mount Holly NJChester, PASevere	Chester, PAPA	Severeexpired	12 Oct 2026 07:00
Flood WarningNWS Pittsburgh PAArmstrong, PA; Butler, PA; Indiana, PA; Severe	Armstrong, PA; Butler, PA; Indiana, PA; Jefferson, PA; Westmoreland, PAPA	Severeexpired	11 Oct 2026 20:30
Wind AdvisoryNWS Pittsburgh PAWestmoreland; FayetteModerate	Westmoreland; FayettePA	Moderateexpired	11 Oct 2026 02:00
Special Weather StatementNWS Pittsburgh PAGreene; Fayette; Fayette Ridges; Marion;Moderate	Greene; Fayette; Fayette Ridges; Marion; Monongalia; Ridges of Eastern Monongalia and Northwestern Preston; Preston; Eastern Preston; Western TuckerPA, WV	Moderateexpired	26 Sep 2026 13:00
Wind AdvisoryNWS Mount Holly NJMorris; Hunterdon; Western Chester; EastModerate	Morris; Hunterdon; Western Chester; Eastern Chester; Western Montgomery; Upper BucksNJ, PA	Moderateexpired	25 Sep 2026 21:00
Wind AdvisoryNWS Mount Holly NJNew Castle; Kent; Somerset; Middlesex; MModerate	New Castle; Kent; Somerset; Middlesex; Mercer; Salem; Gloucester; Camden; Northwestern Burlington; Cumberland; Delaware; Philadelphia; Eastern Montgomery; Lower BucksDE, NJ, PA	Moderateexpired	25 Sep 2026 20:00
Frost AdvisoryNWS State College PAMcKean; PotterMinor	McKean; PotterPA	Minorexpired	25 Sep 2026 12:00
Frost AdvisoryNWS State College PASomersetMinor	SomersetPA	Minorexpired	25 Sep 2026 12:00
Frost AdvisoryNWS Pittsburgh PAFayette Ridges; Preston; Eastern PrestonMinor	Fayette Ridges; Preston; Eastern Preston; Western Tucker; Eastern TuckerPA, WV	Minorexpired	25 Sep 2026 02:00
Coastal Flood AdvisoryNWS Mount Holly NJGloucester; Camden; Northwestern BurlingMinor	Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Lower BucksNJ, PA	Minorexpired	23 Sep 2026 09:30
Flood WatchNWS Pittsburgh PATuscarawas; Carroll; Columbiana; CoshoctSevere	Tuscarawas; Carroll; Columbiana; Coshocton; Harrison; Jefferson; Muskingum; Guernsey; Belmont; Noble; Monroe; Beaver; Allegheny; Washington; Greene; Westmoreland; Westmoreland Ridges; Fayette; Fayette Ridges; Hancock; Brooke; Ohio; Marshall; Wetzel; Marion; Monongalia; Ridges of Eastern Monongalia and Northwestern Preston; Preston; Eastern Preston; Western Tucker; Eastern TuckerOH, PA, WV	Severeexpired	21 Sep 2026 00:00
Beach Hazards StatementNWS Cleveland OHNorthern ErieModerate	Northern EriePA	Moderateexpired	20 Sep 2026 15:45
Flash Flood WarningNWS Pittsburgh PAHarrison, OH; Jefferson, OH; Washington,Severe	Harrison, OH; Jefferson, OH; Washington, PA; Brooke, WVOH, PA, WV	Severeexpired	20 Sep 2026 09:45

Source: the National Weather Service. A warning covering several states appears on each of their pages. Expired warnings are kept and marked, because the count over time is the part that says anything.

Related datasets

Airport DelaysWhat is holding up air traffic, and how often it does.Corporate AircraftThe jets these companies fly, from the FAA registry.Park VisitationWho visited which park, and whether they came by RV.Park ClosuresWhat the Park Service has shut, and which states it hits.