Weather alerts in Pennsylvania, 2025
2,074 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 2,074
- Warnings
- 1,093
- Watches
- 156
- Advisories
- 340
- Busiest month
- June394 alerts
- Busiest day
- March 16, 202559 alerts
Over time
By month
The alerts
2,074 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Westmoreland County229
- Allegheny County209
- Montgomery County195
- Bucks County189
- Chester County188
- Washington County187
- Centre County178
- Delaware County176
- Lancaster County174
- Indiana County173
- Butler County170
- Philadelphia County163
- Fayette County161
- Beaver County160
- Clearfield County160
- Armstrong County155
- York County155
- Berks County154
- Cambria County144
- Erie County143
- Somerset County139
- Crawford County138
- Clarion County137
- Lehigh County137
- Jefferson County136
- Lawrence County133
- Wayne County133
- Bedford County132
- Venango County132
- Susquehanna County131
- Clinton County130
- Huntingdon County129
- Mercer County129
- Greene County128
- Franklin County126
- Mifflin County123
- Lebanon County123
- Lycoming County122
- Blair County120
- Lackawanna County119
27 more counties
- Forest County117
- Adams County117
- Dauphin County117
- Bradford County117
- Fulton County115
- Monroe County114
- Cumberland County114
- Schuylkill County110
- Northampton County110
- Elk County109
- Luzerne County109
- Juniata County108
- McKean County108
- Union County105
- Perry County104
- Carbon County102
- Northumberland County102
- Potter County101
- Snyder County100
- Pike County100
- Tioga County99
- Warren County98
- Wyoming County97
- Sullivan County95
- Montour County93
- Cameron County92
- Columbia County87
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.