Weather alerts in Pennsylvania, April 2026

127 weather alerts in April 2026, 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 April 2026. Tap one for its archive.

Alerts: 127
Warnings: 65
Watches: 15
Advisories: 18
Busiest day: April 16, 202620 alerts

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
Mar 31, 8:18 PM EDT	Severe Thunderstorm Warning	PBZ	Lawrence, Mercer, Venango	42 min
Mar 31, 8:28 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Potter	47 min
Mar 31, 8:57 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion, Forest, Jefferson, Mercer and 1 more	67 min
Mar 31, 9:03 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer	34 min
Mar 31, 9:49 PM EDT	Severe Thunderstorm Warning	CTP	Clearfield, Elk	41 min
Mar 31, 9:58 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Centre, Clarion and 5 more	2 hr
Mar 31, 9:59 PM EDT	Severe Thunderstorm Warning	CTP	Elk	19 min
Mar 31, 10:33 PM EDT	Flash Flood Warning	PBZ	Lawrence, Mercer	3 hr
Mar 31, 11:41 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington, Westmoreland	49 min
Apr 1, 12:00 AM EDT	Tornado Warning	PBZ	Allegheny, Westmoreland	15 min
Apr 1, 1:21 AM EDT	Areal Flood Warning	PBZ	Lawrence, Mercer	6 hr
Apr 1, 5:30 AM EDT	Areal Flood Warning	PBZ	Beaver, Butler, Lawrence, Mercer, Washington	6 hr
Apr 1, 1:06 PM EDT	Mesoscale Discussion	SPC	Greene	114 min
Apr 1, 2:43 PM EDT	Severe Thunderstorm Watch	SPC	Fayette, Greene, Washington	5 hr
Apr 1, 3:18 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	34 min
Apr 1, 3:50 PM EDT	Mesoscale Discussion	SPC	Adams	115 min
Apr 1, 4:40 PM EDT	Mesoscale Discussion	SPC	Fayette, Greene	2 hr
Apr 2, 10:34 AM EDT	River Flood Advisory	PBZ	Allegheny	11 hr
Apr 3, 3:37 AM EDT	Special Weather Statement	CLE	Erie	38 min
Apr 3, 5:24 AM EDT	Dense Fog Advisory	CTP	Schuylkill	6 hr
Apr 3, 5:34 AM EDT	Dense Fog Advisory	PHI	Carbon, Monroe	5 hr
Apr 3, 4:15 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Cameron, Clarion and 12 more	2 hr
Apr 3, 7:57 PM EDT	Severe Thunderstorm Warning	CTP	Clinton, Lycoming, Potter, Tioga	33 min
Apr 4, 5:57 AM EDT	Dense Fog Advisory	CTP	Potter, Tioga	4 hr
Apr 4, 1:46 PM EDT	Mesoscale Discussion	SPC	Crawford, Erie	2 hr
Apr 4, 2:48 PM EDT	Severe Thunderstorm Watch	SPC	Crawford, Erie	6 hr
Apr 4, 4:39 PM EDT	Mesoscale Discussion	SPC	Crawford, Erie	2 hr
Apr 4, 6:55 PM EDT	Mesoscale Discussion	SPC	Crawford, Erie	95 min
Apr 4, 6:56 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Sullivan	49 min
Apr 4, 8:10 PM EDT	Special Weather Statement	BGM	Wyoming	50 min
Apr 4, 8:10 PM EDT	Flash Flood Warning	CTP	Lycoming, Sullivan	3 hr
Apr 6, 11:42 AM EDT	Freeze Watch	CTP	Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 1 more	14 hr
Apr 6, 12:15 PM EDT	Freeze Watch	PHI	Berks, Bucks, Chester, Delaware, Montgomery, Philadelphia	14 hr
Apr 7, 1:47 AM EDT	Freeze Watch	CTP	Adams, Cumberland, Dauphin, Franklin, Fulton, Huntingdon and 10 more	32 hr
Apr 7, 1:47 AM EDT	Freeze Warning	CTP	Adams, Cumberland, Dauphin, Franklin, Fulton, Huntingdon and 10 more	31 hr
Apr 7, 2:19 AM EDT	Freeze Watch	PHI	Berks, Bucks, Chester, Delaware, Montgomery, Philadelphia	31 hr
Apr 7, 2:19 AM EDT	Freeze Warning	PHI	Berks, Bucks, Chester, Delaware, Montgomery, Philadelphia	31 hr
Apr 8, 8:55 AM EDT	Freeze Warning	PHI	Berks, Bucks, Chester, Delaware, Montgomery, Philadelphia	24 hr
Apr 8, 9:25 AM EDT	Freeze Warning	CTP	Adams, Cumberland, Dauphin, Franklin, Fulton, Huntingdon and 10 more	24 hr
Apr 11, 1:20 PM EDT	Frost Advisory	CTP	Dauphin, Juniata, Lancaster, Lebanon, Mifflin, Montour and 4 more	19 hr
Apr 11, 1:54 PM EDT	Frost Advisory	PHI	Berks, Chester, Montgomery	18 hr
Apr 13, 10:41 PM EDT	Special Weather Statement	CLE	Crawford	64 min
Apr 13, 11:47 PM EDT	Special Weather Statement	CLE	Erie	43 min
Apr 13, 11:55 PM EDT	Special Weather Statement	CLE	Crawford	65 min
Apr 14, 12:23 AM EDT	Special Weather Statement	CLE	Crawford	52 min
Apr 14, 12:36 AM EDT	Severe Thunderstorm Warning	CLE	Crawford	24 min
Apr 14, 12:50 PM EDT	Mesoscale Discussion	SPC	Lackawanna, Susquehanna, Wayne	2 hr
Apr 14, 2:03 PM EDT	Mesoscale Discussion	SPC	Armstrong, Beaver, Butler, Clarion, Crawford, Forest and 3 more	87 min
Apr 14, 2:32 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	43 min
Apr 14, 2:51 PM EDT	Severe Thunderstorm Watch	SPC	Bradford, Susquehanna, Wayne	7 hr
Apr 14, 3:04 PM EDT	Severe Thunderstorm Warning	CLE	Erie	56 min
Apr 14, 4:05 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver	40 min
Apr 14, 4:40 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver	50 min
Apr 14, 5:52 PM EDT	Mesoscale Discussion	SPC	Allegheny, Fayette, Greene, Somerset, Washington, Westmoreland	83 min
Apr 14, 5:59 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	46 min
Apr 14, 6:17 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	13 min
Apr 14, 6:29 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Somerset	46 min
Apr 14, 7:07 PM EDT	Severe Thunderstorm Warning	BGM	Susquehanna, Wayne	53 min
Apr 14, 7:20 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Franklin, Fulton	40 min
Apr 14, 7:57 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Pike, Wayne, Wyoming	63 min
Apr 15, 4:28 AM EDT	Special Weather Statement	CLE	Erie	47 min
Apr 15, 4:55 AM EDT	Special Weather Statement	CLE	Crawford, Erie	35 min
Apr 15, 1:44 PM EDT	Mesoscale Discussion	SPC	Crawford, Erie, Lawrence, Mercer, Venango	3 hr
Apr 15, 2:56 PM EDT	Severe Thunderstorm Watch	SPC	Clarion, Crawford, Erie, Forest, Jefferson, Lawrence and 2 more	6 hr
Apr 15, 4:53 PM EDT	Mesoscale Discussion	SPC	Cameron, Clarion, Elk, Forest, Jefferson, McKean and 3 more	2 hr
Apr 15, 5:10 PM EDT	Severe Thunderstorm Warning	CTP	Warren	20 min
Apr 15, 5:37 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PBZ	Mercer	38 min
Apr 15, 5:45 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Potter	45 min
Apr 15, 6:12 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PBZ	Mercer, Venango	48 min
Apr 15, 6:28 PM EDT	Severe Thunderstorm Warning	CTP	Potter, Tioga	62 min
Apr 15, 6:56 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PBZ	Clarion, Jefferson, Venango	43 min
Apr 15, 7:08 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Erie	36 min
Apr 15, 7:33 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	57 min
Apr 15, 7:40 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Venango	50 min
Apr 15, 8:11 PM EDT	Severe Thunderstorm Warning Considerable damage threat	BGM	Bradford	64 min
Apr 15, 8:23 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Elk, McKean, Potter	37 min
Apr 15, 8:44 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Clearfield, Elk	61 min
Apr 15, 9:04 PM EDT	Severe Thunderstorm Warning	BGM	Susquehanna, Wayne	41 min
Apr 15, 10:49 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Lackawanna, Susquehanna, Wyoming	43 min
Apr 15, 10:55 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Sullivan	35 min
Apr 15, 11:53 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Pike, Wayne	44 min
Apr 16, 2:36 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more	84 min
Apr 16, 3:08 PM EDT	Special Weather Statement	CLE	Crawford	67 min
Apr 16, 3:34 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer	41 min
Apr 16, 4:01 PM EDT	Special Weather Statement	CLE	Crawford	59 min
Apr 16, 4:08 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer	43 min
Apr 16, 4:08 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer, Venango	42 min
Apr 16, 4:24 PM EDT	Tornado Warning	PBZ	Venango	25 min
Apr 16, 4:40 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Venango	46 min
Apr 16, 4:44 PM EDT	Tornado Warning	PBZ	Forest, Venango	17 min
Apr 16, 4:45 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion, Venango	24 min
Apr 16, 4:48 PM EDT	Severe Thunderstorm Warning	CTP	Elk, McKean, Warren	27 min
Apr 16, 4:53 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Warren	22 min
Apr 16, 4:57 PM EDT	Mesoscale Discussion	SPC	Cameron, Clarion, Elk, Forest, Jefferson, McKean and 2 more	63 min
Apr 17, 4:51 AM EDT	Dense Fog Advisory	CLE	Crawford, Erie	6 hr
Apr 17, 3:00 PM EDT	Coastal Flood Advisory	PHI	Bucks, Delaware, Montgomery, Philadelphia	39 hr
Apr 18, 12:33 PM EDT	Freeze Watch	CTP	Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 5 more	12 hr
Apr 18, 12:33 PM EDT	Freeze Watch	CTP	Adams, Bedford, Blair, Cambria, Cameron, Centre and 24 more	37 hr
Apr 18, 12:38 PM EDT	Mesoscale Discussion	SPC	Allegheny, Beaver, Butler, Greene, Lawrence, Mercer and 1 more	3 hr
Apr 18, 12:56 PM EDT	Freeze Watch	PBZ	Armstrong, Beaver, Butler, Clarion, Fayette, Forest and 6 more	12 hr
Apr 18, 1:02 PM EDT	Freeze Watch	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	37 hr
Apr 18, 1:29 PM EDT	Freeze Watch	CLE	Crawford, Erie	11 hr
Apr 18, 2:31 PM EDT	Special Weather Statement	CLE	Crawford	44 min
Apr 18, 3:15 PM EDT	Special Weather Statement	CLE	Erie	45 min
Apr 19, 12:29 AM EDT	Freeze Warning	PBZ	Armstrong, Beaver, Butler, Clarion, Fayette, Forest and 6 more	32 hr
Apr 19, 12:33 AM EDT	Freeze Warning	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 6 more	32 hr
Apr 19, 12:49 AM EDT	Freeze Warning	CLE	Crawford, Erie	34 hr
Apr 19, 1:11 AM EDT	Freeze Warning	PHI	Carbon, Monroe	33 hr
Apr 19, 9:54 AM EDT	Frost Advisory	PBZ	Allegheny, Fayette, Greene, Washington, Westmoreland	23 hr
Apr 19, 12:17 PM EDT	Freeze Watch	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more	13 hr
Apr 19, 1:46 PM EDT	Frost Advisory	PHI	Northampton	18 hr
Apr 19, 1:54 PM EDT	Freeze Watch	CLE	Crawford, Erie	11 hr
Apr 20, 12:48 AM EDT	Freeze Warning	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more	32 hr
Apr 20, 12:56 AM EDT	Freeze Warning	CLE	Crawford, Erie	32 hr
Apr 20, 1:14 AM EDT	Freeze Warning	CTP	Adams, Bedford, Blair, Cambria, Cameron, Centre and 24 more	32 hr
Apr 20, 2:25 AM EDT	Freeze Warning	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	31 hr
Apr 26, 2:38 AM EDT	Frost Advisory	PHI	Bucks, Carbon, Chester, Monroe, Montgomery, Northampton	29 hr
Apr 27, 1:35 PM EDT	Wind Advisory	CLE	Erie	21 hr
Apr 29, 1:48 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Cambria, Clarion and 9 more	117 min
Apr 29, 3:57 PM EDT	Tornado Warning	PBZ	Indiana	14 min
Apr 29, 5:41 PM EDT	Coastal Flood Advisory	PHI	Bucks, Delaware, Philadelphia	11 hr
Apr 30, 1:06 AM EDT	Frost Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more	32 hr
Apr 30, 1:18 AM EDT	Frost Advisory	CLE	Crawford, Erie	32 hr
Apr 30, 1:42 AM EDT	Frost Advisory	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 9 more	30 hr
Apr 30, 12:53 PM EDT	Frost Advisory	BGM	Lackawanna, Luzerne	20 hr
Apr 30, 12:57 PM EDT	Freeze Warning	CTP	Elk, McKean, Potter	19 hr
Apr 30, 2:15 PM EDT	Frost Advisory	PHI	Carbon, Monroe	18 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	44
Tornado Warning	4
Severe Thunderstorm Watch	4
Mesoscale Discussion	17
Special Weather Statement	12
Flooding
Areal Flood Warning	2
Flash Flood Warning	2
River Flood Advisory	1
Cold
Freeze Warning	13
Freeze Watch	11
Frost Advisory	10
Wind and dust
Wind Advisory	1
Fog and smoke
Dense Fog Advisory	4
Coast and beach
Coastal Flood Advisory	2

By county

Every county with at least one alert. A county page lists each alert that covered it.

27 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2025

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.