Alert archive / Pennsylvania / Flash Flood Warnings / 2026
Flash Flood Warnings in Pennsylvania, July 2026
114 flash flood warnings in July 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in July 2026. Tap one for its archive.
- Flash Flood Warnings
- 114
- Busiest day
- July 6, 202623 flash flood warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 5:37 PM EDT | Flash Flood Warning | BGM | Lackawanna, Luzerne, Wyoming | 117 min |
| Jul 4, 6:32 PM EDT | Flash Flood Warning | PBZ | Fayette, Washington, Westmoreland | 3 hr |
| Jul 4, 7:01 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jul 5, 2:35 PM EDT | Flash Flood Warning | PBZ | Armstrong, Butler, Lawrence, Mercer, Venango | 3 hr |
| Jul 5, 3:12 PM EDT | Flash Flood Warning | CTP | Blair, Cambria, Centre, Clearfield, Huntingdon | 5 hr |
| Jul 5, 3:51 PM EDT | Flash Flood Warning | PBZ | Armstrong, Clarion, Jefferson | 3 hr |
| Jul 5, 4:01 PM EDT | Flash Flood Warning | CTP | Potter, Tioga | 2 hr |
| Jul 5, 4:01 PM EDT | Flash Flood Warning | PBZ | Beaver | 2 hr |
| Jul 5, 4:17 PM EDT | Flash Flood Warning | PBZ | Armstrong, Butler, Indiana, Jefferson | 3 hr |
| Jul 5, 4:22 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver, Butler, Washington, Westmoreland | 2 hr |
| Jul 5, 4:37 PM EDT | Flash Flood Warning | CTP | Centre, Huntingdon | 3 hr |
| Jul 5, 5:02 PM EDT | Flash Flood Warning | PBZ | Armstrong, Indiana, Westmoreland | 2 hr |
| Jul 5, 5:30 PM EDT | Flash Flood Warning | CTP | Cambria, Clearfield | 3 hr |
| Jul 5, 6:22 PM EDT | Flash Flood Warning | CTP | Juniata, Perry | 3 hr |
| Jul 5, 7:06 PM EDT | Flash Flood Warning | BGM | Wayne | 100 min |
| Jul 5, 7:10 PM EDT | Flash Flood Warning | BGM | Wyoming | 3 hr |
| Jul 5, 7:30 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Philadelphia | 2 hr |
| Jul 5, 8:19 PM EDT | Flash Flood Warning | CTP | Dauphin, York | 3 hr |
| Jul 5, 8:38 PM EDT | Flash Flood Warning | CTP | Centre, Huntingdon | 3 hr |
| Jul 5, 8:46 PM EDT | Flash Flood Warning | BGM | Lackawanna, Luzerne, Wyoming | 5 hr |
| Jul 5, 8:49 PM EDT | Flash Flood Warning | CTP | Dauphin, Lancaster, Lebanon, York | 3 hr |
| Jul 5, 9:05 PM EDT | Flash Flood Warning | PHI | Berks | 6 hr |
| Jul 5, 9:16 PM EDT | Flash Flood Warning | CTP | Adams, Cumberland, Lancaster, York | 3 hr |
| Jul 5, 9:20 PM EDT | Flash Flood Warning | CTP | Lancaster, Lebanon | 2 hr |
| Jul 5, 10:24 PM EDT | Flash Flood Warning | BGM | Pike | 6 hr |
| Jul 5, 10:32 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 4 hr |
| Jul 5, 10:43 PM EDT | Flash Flood Warning | BGM | Luzerne | 3 hr |
| Jul 5, 10:48 PM EDT | Flash Flood Warning | BGM | Lackawanna, Pike, Wayne | 6 hr |
| Jul 5, 11:00 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 6, 2:57 AM EDT | Flash Flood Warning | CTP | Potter, Tioga | 108 min |
| Jul 6, 10:15 AM EDT | Flash Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 6, 11:13 AM EDT | Flash Flood Warning | PHI | Bucks | 3 hr |
| Jul 6, 4:10 PM EDT | Flash Flood Warning | CTP | Tioga | 2 hr |
| Jul 6, 4:55 PM EDT | Flash Flood Warning | PBZ | Forest, Venango | 2 hr |
| Jul 6, 5:34 PM EDT | Flash Flood Warning | CTP | Elk, McKean | 3 hr |
| Jul 6, 5:58 PM EDT | Flash Flood Warning | PBZ | Clarion, Forest, Jefferson | 107 min |
| Jul 6, 6:13 PM EDT | Flash Flood Warning | CTP | Elk | 3 hr |
| Jul 6, 6:27 PM EDT | Flash Flood Warning | CTP | Potter, Tioga | 6 hr |
| Jul 6, 7:24 PM EDT | Flash Flood Warning | PBZ | Clarion, Jefferson | 2 hr |
| Jul 6, 7:50 PM EDT | Flash Flood Warning | CTP | Clearfield | 3 hr |
| Jul 6, 8:51 PM EDT | Flash Flood Warning | PBZ | Armstrong, Indiana, Jefferson, Westmoreland | 2 hr |
| Jul 6, 9:10 PM EDT | Flash Flood Warning | CTP | Centre, Clearfield | 3 hr |
| Jul 6, 9:37 PM EDT | Flash Flood Warning | CTP | Blair, Cambria, Centre, Clearfield, Huntingdon | 3 hr |
| Jul 6, 11:11 PM EDT | Flash Flood Warning | CTP | Blair, Cambria, Huntingdon | 3 hr |
| Jul 6, 11:28 PM EDT | Flash Flood Warning | PBZ | Fayette, Westmoreland | 3 hr |
| Jul 7, 11:43 PM EDT | Flash Flood Warning | PBZ | Armstrong, Clarion | 3 hr |
| Jul 9, 1:37 PM EDT | Flash Flood Warning | PHI | Delaware | 6 hr |
| Jul 9, 2:00 PM EDT | Flash Flood Warning | PHI | Delaware, Philadelphia | 5 hr |
| Jul 9, 2:06 PM EDT | Flash Flood Warning | CTP | Adams, Lancaster, York | 2 hr |
| Jul 9, 2:49 PM EDT | Flash Flood Warning | CTP | Lancaster | 3 hr |
| Jul 9, 3:01 PM EDT | Flash Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 9, 3:20 PM EDT | Flash Flood Warning | PHI | Berks, Chester, Montgomery | 3 hr |
| Jul 9, 3:29 PM EDT | Flash Flood Warning | CTP | Adams, Cumberland, Dauphin, York | 3 hr |
| Jul 9, 3:38 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
| Jul 9, 4:30 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
| Jul 9, 6:17 PM EDT | Flash Flood Warning | CTP | Lancaster, York | 101 min |
| Jul 10, 1:10 PM EDT | Flash Flood Warning | PBZ | Armstrong, Butler, Clarion | 3 hr |
| Jul 10, 1:13 PM EDT | Flash Flood Warning | PBZ | Butler, Lawrence, Mercer, Venango | 3 hr |
| Jul 10, 2:51 PM EDT | Flash Flood Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 87 min |
| Jul 10, 3:04 PM EDT | Flash Flood Warning | PBZ | Clarion, Forest, Jefferson, Venango | 2 hr |
| Jul 10, 3:10 PM EDT | Flash Flood Warning | PBZ | Armstrong, Beaver, Butler, Indiana, Lawrence, Westmoreland | 3 hr |
| Jul 10, 3:19 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jul 10, 3:52 PM EDT | Flash Flood Warning | CTP | Lancaster | 113 min |
| Jul 10, 3:55 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver, Butler, Lawrence | 3 hr |
| Jul 10, 4:19 PM EDT | Flash Flood Warning | CTP | Blair, Cambria | 3 hr |
| Jul 10, 4:37 PM EDT | Flash Flood Warning | CTP | Cumberland, York | 3 hr |
| Jul 10, 4:52 PM EDT | Flash Flood Warning | CTP | Bedford, Fulton | 3 hr |
| Jul 10, 5:24 PM EDT | Flash Flood Warning | CTP | Adams, Cumberland, Franklin, Fulton, York | 3 hr |
| Jul 10, 5:27 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver, Washington | 3 hr |
| Jul 10, 6:22 PM EDT | Flash Flood Warning | CTP | Cameron, Elk, McKean | 3 hr |
| Jul 10, 8:18 PM EDT | Flash Flood Warning | CTP | Potter, Tioga | 3 hr |
| Jul 11, 2:46 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 11, 5:15 PM EDT | Flash Flood Warning | CTP | Lancaster | 2 hr |
| Jul 18, 11:32 AM EDT | Flash Flood Warning | PBZ | Indiana, Westmoreland | 2 hr |
| Jul 18, 1:37 PM EDT | Flash Flood Warning | PBZ | Armstrong, Indiana, Westmoreland | 2 hr |
| Jul 18, 2:44 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery | 4 hr |
| Jul 18, 3:01 PM EDT | Flash Flood Warning | CTP | Bedford, Somerset | 3 hr |
| Jul 18, 3:14 PM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| Jul 18, 3:19 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 2 hr |
| Jul 18, 4:02 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 3 hr |
| Jul 18, 4:41 PM EDT | Flash Flood Warning | PBZ | Clarion, Jefferson | 5 hr |
| Jul 18, 5:10 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jul 18, 7:03 PM EDT | Flash Flood Warning | PBZ | Clarion, Forest, Jefferson, Mercer, Venango | 3 hr |
| Jul 18, 7:11 PM EDT | Flash Flood Warning | PBZ | Forest, Jefferson | 3 hr |
| Jul 18, 7:42 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver, Washington | 2 hr |
| Jul 18, 7:50 PM EDT | Flash Flood Warning | CTP | Clearfield | 3 hr |
| Jul 18, 8:27 PM EDT | Flash Flood Warning | PBZ | Indiana, Jefferson | 94 min |
| Jul 18, 8:54 PM EDT | Flash Flood Warning | PBZ | Armstrong, Indiana | 68 min |
| Jul 21, 2:37 PM EDT | Flash Flood Warning | BGM | Wayne | 4 hr |
| Jul 21, 2:56 PM EDT | Flash Flood Warning | PBZ | Greene, Washington | 5 hr |
| Jul 21, 4:31 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 96 min |
| Jul 21, 4:38 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 27, 3:58 PM EDT | Flash Flood Warning | PHI | Delaware, Montgomery, Philadelphia | 3 hr |
| Jul 27, 5:25 PM EDT | Flash Flood Warning | PHI | Lehigh | 2 hr |
| Jul 28, 1:54 AM EDT | Flash Flood Warning | CTP | McKean | 3 hr |
| Jul 28, 2:20 AM EDT | Flash Flood Warning | CTP | Adams, Cumberland, Franklin | 3 hr |
| Jul 28, 8:37 AM EDT | Flash Flood Warning | CTP | McKean | 3 hr |
| Jul 28, 9:54 AM EDT | Flash Flood Warning | CTP | McKean | 2 hr |
| Jul 28, 12:22 PM EDT | Flash Flood Warning | CTP | Blair, Cambria, Clearfield | 3 hr |
| Jul 28, 12:46 PM EDT | Flash Flood Warning | CTP | Blair, Huntingdon | 3 hr |
| Jul 28, 1:02 PM EDT | Flash Flood Warning | PHI | Lehigh, Monroe, Northampton | 4 hr |
| Jul 28, 2:30 PM EDT | Flash Flood Warning | BGM | Wayne | 5 hr |
| Jul 28, 4:23 PM EDT | Flash Flood Warning | CTP | Adams, Franklin | 3 hr |
| Jul 28, 5:00 PM EDT | Flash Flood Warning | CTP | Dauphin, Lebanon | 2 hr |
| Jul 28, 5:39 PM EDT | Flash Flood Warning | CTP | Lancaster, Lebanon | 3 hr |
| Jul 28, 5:55 PM EDT | Flash Flood Warning | PHI | Berks | 3 hr |
| Jul 28, 6:17 PM EDT | Flash Flood Warning | PHI | Bucks, Lehigh, Northampton | 6 hr |
| Jul 28, 6:56 PM EDT | Flash Flood Warning | PHI | Bucks, Lehigh, Northampton | 5 hr |
| Jul 28, 7:11 PM EDT | Flash Flood Warning | PHI | Delaware, Philadelphia | 3 hr |
| Jul 28, 7:24 PM EDT | Flash Flood Warning | PHI | Chester | 4 hr |
| Jul 28, 7:55 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery | 4 hr |
| Jul 28, 9:03 PM EDT | Flash Flood Warning | PHI | Berks, Montgomery | 3 hr |
| Jul 28, 11:38 PM EDT | Flash Flood Warning | BGM | Wayne | 6 hr |
| Jul 29, 6:56 PM EDT | Flash Flood Warning | BGM | Susquehanna | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Westmoreland County13
- Delaware County12
- Montgomery County11
- Armstrong County10
- Jefferson County10
- Bucks County9
- Philadelphia County9
- Lancaster County9
- Clarion County8
- Indiana County8
- York County8
- Chester County8
- Butler County7
- Clearfield County7
- Allegheny County7
- Washington County6
- Blair County6
- Cambria County6
- Huntingdon County6
- Beaver County6
- Adams County6
- Venango County5
- Centre County5
- Tioga County5
- Wayne County5
- Cumberland County5
- Forest County5
- McKean County5
- Lawrence County4
- Potter County4
- Dauphin County4
- Lebanon County4
- Berks County4
- Lehigh County4
- Lackawanna County3
- Luzerne County3
- Wyoming County3
- Fayette County3
- Mercer County3
- Elk County3
Nearby
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. Warning verification from the Mesonet's Cow. Rebuilt daily.