Weather Warnings for Pennsylvania

Issued by the National Weather Service

Current watches, warnings, and advisories for Pennsylvania
Alerts Updated: April 19, 2026, 5:55 pm  UTC


Freeze Watch issued April 19 at 1:54PM EDT until April 21 at 10:00AM EDT by NWS Cleveland OH

Summary: * WHAT...For the Freeze Warning, sub-freezing temperatures as cold as the lower 20's to lower 30's expected. For the Freeze Watch, sub-freezing temperatures as cold as the lower 20's to lower 30's possible. * WHERE...Portions of north central, northeast, and northwest Ohio and northwest Pennsylvania. * WHEN...For the Freeze Warning, from 11 PM this evening to 11 AM EDT Monday. For the Freeze Watch, from Monday evening through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Severe    Effective:  April 19, 2026, 1:54 pm      Expires:  April 19, 2026, 10:00 pm
Area:  Erie; Lorain; Cuyahoga; Lake; Geauga; Ashtabula Inland; Seneca; Huron; Medina; Summit; Portage; Trumbull; Wyandot; Crawford; Richland; Ashland; Wayne; Stark; Mahoning; Marion; Morrow; Holmes; Knox; Ashtabula Lakeshore; Northern Erie; Southern Erie; Crawford


Freeze Warning issued April 19 at 1:54PM EDT until April 20 at 11:00AM EDT by NWS Cleveland OH

Summary: * WHAT...For the Freeze Warning, sub-freezing temperatures as cold as the lower 20's to lower 30's expected. For the Freeze Watch, sub-freezing temperatures as cold as the lower 20's to lower 30's possible. * WHERE...Portions of north central, northeast, and northwest Ohio and northwest Pennsylvania. * WHEN...For the Freeze Warning, from 11 PM this evening to 11 AM EDT Monday. For the Freeze Watch, from Monday evening through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 19, 2026, 1:54 pm      Expires:  April 19, 2026, 10:00 pm
Area:  Erie; Lorain; Cuyahoga; Lake; Geauga; Ashtabula Inland; Seneca; Huron; Medina; Summit; Portage; Trumbull; Wyandot; Crawford; Richland; Ashland; Wayne; Stark; Mahoning; Marion; Morrow; Holmes; Knox; Ashtabula Lakeshore; Northern Erie; Southern Erie; Crawford


Frost Advisory issued April 19 at 1:46PM EDT until April 20 at 8:00AM EDT by NWS Mount Holly NJ

Summary: * WHAT...For the Frost Advisory, temperatures as low as 34 will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 24 possible. * WHERE...In New Jersey, Morris, Somerset, Warren, and Hunterdon Counties. In Pennsylvania, Northampton County. * WHEN...For the Frost Advisory, from 2 AM to 8 AM EDT Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Severity:  Minor    Effective:  April 19, 2026, 1:46 pm      Expires:  April 20, 2026, 4:00 am
Area:  Warren; Morris; Hunterdon; Somerset; Northampton


Freeze Watch issued April 19 at 1:46PM EDT until April 21 at 9:00AM EDT by NWS Mount Holly NJ

Summary: * WHAT...Sub-freezing temperatures as low as 27 possible. * WHERE...In Delaware, New Castle County. In Pennsylvania, Delaware and Philadelphia Counties. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Severe    Effective:  April 19, 2026, 1:46 pm      Expires:  April 20, 2026, 4:00 am
Area:  New Castle; Delaware; Philadelphia


Freeze Watch issued April 19 at 1:46PM EDT until April 21 at 9:00AM EDT by NWS Mount Holly NJ

Summary: * WHAT...For the Frost Advisory, temperatures as low as 34 will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 24 possible. * WHERE...In New Jersey, Morris, Somerset, Warren, and Hunterdon Counties. In Pennsylvania, Northampton County. * WHEN...For the Frost Advisory, from 2 AM to 8 AM EDT Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Severity:  Severe    Effective:  April 19, 2026, 1:46 pm      Expires:  April 20, 2026, 4:00 am
Area:  Warren; Morris; Hunterdon; Somerset; Northampton


Freeze Watch issued April 19 at 1:46PM EDT until April 21 at 9:00AM EDT by NWS Mount Holly NJ

Summary: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 24 expected. For the Freeze Watch, sub-freezing temperatures as low as 19 possible. * WHERE...Carbon and Monroe Counties. * WHEN...For the Freeze Warning, from 11 PM this evening to 10 AM EDT Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Severe    Effective:  April 19, 2026, 1:46 pm      Expires:  April 20, 2026, 4:00 am
Area:  Carbon; Monroe


Freeze Watch issued April 19 at 1:46PM EDT until April 21 at 9:00AM EDT by NWS Mount Holly NJ

Summary: * WHAT...Sub-freezing temperatures as low as 25 possible. * WHERE...Portions of central, northern, and southern New Jersey and east central and southeast Pennsylvania. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Severe    Effective:  April 19, 2026, 1:46 pm      Expires:  April 20, 2026, 4:00 am
Area:  Middlesex; Western Monmouth; Mercer; Salem; Gloucester; Camden; Northwestern Burlington; Ocean; Cumberland; Atlantic; Cape May; Southeastern Burlington; Berks; Lehigh; Western Chester; Eastern Chester; Western Montgomery; Eastern Montgomery; Upper Bucks; Lower Bucks


Freeze Warning issued April 19 at 1:46PM EDT until April 20 at 10:00AM EDT by NWS Mount Holly NJ

Summary: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 24 expected. For the Freeze Watch, sub-freezing temperatures as low as 19 possible. * WHERE...Carbon and Monroe Counties. * WHEN...For the Freeze Warning, from 11 PM this evening to 10 AM EDT Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 19, 2026, 1:46 pm      Expires:  April 20, 2026, 4:00 am
Area:  Carbon; Monroe


Freeze Warning issued April 19 at 12:17PM EDT until April 20 at 10:00AM EDT by NWS Pittsburgh PA

Summary: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 28 expected. For the Freeze Watch, sub-freezing temperatures as low as 24 possible. * WHERE...Portions of east central Ohio, northwest, southwest, and western Pennsylvania, and northern West Virginia. * WHEN...For the Freeze Warning, from 2 AM to 10 AM EDT Monday. For the Freeze Watch, from Monday evening through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 19, 2026, 12:17 pm      Expires:  April 19, 2026, 10:00 pm
Area:  Tuscarawas; Carroll; Columbiana; Coshocton; Harrison; Jefferson; Muskingum; Guernsey; Mercer; Venango; Forest; Lawrence; Butler; Clarion; Jefferson; Beaver; Armstrong; Westmoreland Ridges; Fayette Ridges; Indiana; Higher Elevations of Indiana; Hancock; Ridges of Eastern Monongalia and Northwestern Preston; Preston; Eastern Preston; Western Tucker; Eastern Tucker


Frost Advisory issued April 19 at 12:17PM EDT until April 20 at 10:00AM EDT by NWS Pittsburgh PA

Summary: * WHAT...For the Frost Advisory, temperatures as low as 33 will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 27 possible. * WHERE...Portions of east central Ohio, southwest and western Pennsylvania, and northern and the northern panhandle of West Virginia. * WHEN...For the Frost Advisory, from 2 AM to 10 AM EDT Monday. For the Freeze Watch, from Monday evening through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...With elevated wind and scattered light precipitation overnight Sunday night, frost development will be highly localized to areas that are most sheltered from wind.
Severity:  Minor    Effective:  April 19, 2026, 12:17 pm      Expires:  April 19, 2026, 10:00 pm
Area:  Belmont; Noble; Monroe; Allegheny; Washington; Greene; Westmoreland; Fayette; Brooke; Ohio; Marshall; Wetzel; Marion; Monongalia


Freeze Watch issued April 19 at 12:17PM EDT until April 21 at 9:00AM EDT by NWS Pittsburgh PA

Summary: * WHAT...For the Frost Advisory, temperatures as low as 33 will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 27 possible. * WHERE...Portions of east central Ohio, southwest and western Pennsylvania, and northern and the northern panhandle of West Virginia. * WHEN...For the Frost Advisory, from 2 AM to 10 AM EDT Monday. For the Freeze Watch, from Monday evening through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...With elevated wind and scattered light precipitation overnight Sunday night, frost development will be highly localized to areas that are most sheltered from wind.
Severity:  Severe    Effective:  April 19, 2026, 12:17 pm      Expires:  April 19, 2026, 10:00 pm
Area:  Belmont; Noble; Monroe; Allegheny; Washington; Greene; Westmoreland; Fayette; Brooke; Ohio; Marshall; Wetzel; Marion; Monongalia


Freeze Watch issued April 19 at 12:17PM EDT until April 21 at 9:00AM EDT by NWS Pittsburgh PA

Summary: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 28 expected. For the Freeze Watch, sub-freezing temperatures as low as 24 possible. * WHERE...Portions of east central Ohio, northwest, southwest, and western Pennsylvania, and northern West Virginia. * WHEN...For the Freeze Warning, from 2 AM to 10 AM EDT Monday. For the Freeze Watch, from Monday evening through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Severe    Effective:  April 19, 2026, 12:17 pm      Expires:  April 19, 2026, 10:00 pm
Area:  Tuscarawas; Carroll; Columbiana; Coshocton; Harrison; Jefferson; Muskingum; Guernsey; Mercer; Venango; Forest; Lawrence; Butler; Clarion; Jefferson; Beaver; Armstrong; Westmoreland Ridges; Fayette Ridges; Indiana; Higher Elevations of Indiana; Hancock; Ridges of Eastern Monongalia and Northwestern Preston; Preston; Eastern Preston; Western Tucker; Eastern Tucker


Freeze Watch issued April 19 at 12:33AM EDT until April 21 at 11:00AM EDT by NWS State College PA

Summary: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25 expected. For the Freeze Watch, sub-freezing temperatures as low as 21 possible. * WHERE...Cameron, Clearfield, Elk, McKean, Northern Centre, Northern Clinton, and Warren Counties. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM EDT Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Severe    Effective:  April 19, 2026, 12:33 am      Expires:  April 20, 2026, 3:15 am
Area:  Warren; McKean; Elk; Cameron; Northern Clinton; Clearfield; Northern Centre


Freeze Watch issued April 19 at 12:33AM EDT until April 21 at 9:00AM EDT by NWS State College PA

Summary: * WHAT...Sub-freezing temperatures as low as 26 possible. * WHERE...A portion of central Pennsylvania. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Severe    Effective:  April 19, 2026, 12:33 am      Expires:  April 20, 2026, 3:15 am
Area:  Huntingdon; Mifflin; Juniata; Fulton; Franklin; Union; Snyder; Montour; Northumberland; Columbia; Perry; Dauphin; Schuylkill; Lebanon; Cumberland; Adams; York; Lancaster


Freeze Watch issued April 19 at 12:33AM EDT until April 21 at 9:00AM EDT by NWS State College PA

Summary: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 31 expected. For the Freeze Watch, sub-freezing temperatures as low as 24 possible. * WHERE...Bedford County. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM EDT Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Severe    Effective:  April 19, 2026, 12:33 am      Expires:  April 20, 2026, 3:15 am
Area:  Bedford


Freeze Watch issued April 19 at 12:33AM EDT until April 21 at 9:00AM EDT by NWS State College PA

Summary: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30 expected. For the Freeze Watch, sub-freezing temperatures as low as 23 possible. * WHERE...Blair, Cambria, Somerset, Southern Centre, Southern Clinton, and Southern Lycoming Counties. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM EDT Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Severe    Effective:  April 19, 2026, 12:33 am      Expires:  April 20, 2026, 3:15 am
Area:  Southern Centre; Cambria; Blair; Somerset; Southern Clinton; Southern Lycoming


Freeze Warning issued April 19 at 12:33AM EDT until April 20 at 9:00AM EDT by NWS State College PA

Summary: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 31 expected. For the Freeze Watch, sub-freezing temperatures as low as 24 possible. * WHERE...Bedford County. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM EDT Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 19, 2026, 12:33 am      Expires:  April 20, 2026, 3:15 am
Area:  Bedford


Freeze Warning issued April 19 at 12:33AM EDT until April 20 at 9:00AM EDT by NWS State College PA

Summary: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25 expected. For the Freeze Watch, sub-freezing temperatures as low as 21 possible. * WHERE...Cameron, Clearfield, Elk, McKean, Northern Centre, Northern Clinton, and Warren Counties. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM EDT Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 19, 2026, 12:33 am      Expires:  April 20, 2026, 3:15 am
Area:  Warren; McKean; Elk; Cameron; Northern Clinton; Clearfield; Northern Centre


Freeze Warning issued April 19 at 12:33AM EDT until April 20 at 9:00AM EDT by NWS State College PA

Summary: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30 expected. For the Freeze Watch, sub-freezing temperatures as low as 23 possible. * WHERE...Blair, Cambria, Somerset, Southern Centre, Southern Clinton, and Southern Lycoming Counties. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM EDT Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 19, 2026, 12:33 am      Expires:  April 20, 2026, 3:15 am
Area:  Southern Centre; Cambria; Blair; Somerset; Southern Clinton; Southern Lycoming