Pennsylvania Weather & Safety Alerts
4 active alerts
Data source: National Weather Service (NWS)
Winter Weather
Freeze Warning (WARNING) - expires October 19, 2026 at 9:00 AM EDT
Areas affected: York
Freeze Warning issued October 18 at 10:42PM EDT until October 19 at 9:00AM EDT by NWS State College PA
- WHAT...Sub-freezing temperatures as low as 30 expected.
WHERE...York County.
WHEN...Until 9 AM EDT Monday.
IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
What to do: Those with agricultural interests should protect sensitive vegetation.
Source: NWS State College PA
Frost Advisory (ADVISORY) - expires October 19, 2026 at 6:00 AM EDT
Areas affected: Morris; Hunterdon; Somerset; Middlesex; Mercer; Berks; Lehigh; Western Chester; Eastern Chester; Western Montgomery; Eastern Montgomery; Upper Bucks; Lower Bucks
Frost Advisory issued October 18 at 1:58PM EDT until October 19 at 9:00AM EDT by NWS Mount Holly NJ
- WHAT...Temperatures as low as 35 degrees will result in areas of frost formation.
WHERE...Portions of central, northern, and northwest New Jersey and east central and southeast Pennsylvania.
WHEN...From 1 AM to 9 AM EDT Monday.
IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
What to do: Take steps now to protect tender plants from the cold.
Source: NWS Mount Holly NJ
Frost Advisory (ADVISORY) - expires October 19, 2026 at 9:00 AM EDT
Areas affected: Tuscarawas; Carroll; Columbiana; Coshocton; Harrison; Jefferson; Muskingum; Guernsey; Belmont; Noble; Monroe; Beaver; Allegheny; Washington; Greene; Westmoreland; Fayette; Hancock; Brooke; Ohio; Marshall; Wetzel; Marion; Monongalia; Ridges of Eastern Monongalia and Northwestern Preston
Frost Advisory issued October 18 at 8:25PM EDT until October 19 at 9:00AM EDT by NWS Pittsburgh PA
- WHAT...Temperatures as low as 33 will result in frost formation.
WHERE...Portions of east central Ohio, far southwest Pennsylvania, and northern West Virginia.
WHEN...From 1 AM to 9 AM EDT Monday.
IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
What to do: Take steps now to protect tender plants from the cold.
Source: NWS Pittsburgh PA
Frost Advisory (ADVISORY) - expires October 19, 2026 at 9:00 AM EDT
Areas affected: Lebanon; Lancaster
Frost Advisory issued October 18 at 10:42PM EDT until October 19 at 9:00AM EDT by NWS State College PA
- WHAT...Temperatures as low as 35 will result in frost formation.
WHERE...Lancaster and Lebanon Counties.
WHEN...Until 9 AM EDT Monday.
IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
What to do: Take steps now to protect tender plants and vegetation from the cold.
Source: NWS State College PA
Source
Alert data provided by the National Weather Service (NWS). This page shows active alerts only and is refreshed daily. For real-time updates, visit weather.gov.