National Weather ServicePennsylvaniaSnow Squall WarningArchive to October 1, 2026
Snow Squall Warnings in Pennsylvania
The National Weather Service issued 106 snow squall warnings for Pennsylvania in 2025 and 47 a year on average in 2018-2025; in 2021-2025 it had the 1st most of any state. 2026 through September: 110, 251% above the average of 31 for those months in 2008-2025. Centre was covered most often (84 times since 2018).
How many snow squall warnings does Pennsylvania get?
Every snow squall warning that covered part of Pennsylvania. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 110 |
| 2025 | 106 |
| 2024 | 115 |
| 2023 | 5 |
| 2022 | 64 |
| 2021 | 6 |
| 2020 | 32 |
| 2019 | 35 |
| 2018 | 16 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Pennsylvania get them?
Sum of 2018-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Pennsylvania?
| County or forecast zone | Since 2018 | Since 2023 | Last issued |
|---|---|---|---|
| Centre | 84 | 60 | January 19, 2026 |
| Clearfield | 67 | 48 | March 17, 2026 |
| Clinton | 52 | 35 | January 22, 2026 |
| Butler | 48 | 37 | March 17, 2026 |
| Monroe | 48 | 33 | January 1, 2026 |
| Armstrong | 45 | 37 | March 17, 2026 |
| Clarion | 44 | 37 | March 17, 2026 |
| Susquehanna | 44 | 32 | January 1, 2026 |
| Wayne | 44 | 29 | January 1, 2026 |
| Allegheny | 42 | 34 | February 7, 2026 |
| Westmoreland | 40 | 32 | February 7, 2026 |
| Blair | 39 | 27 | January 19, 2026 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a snow squall warning?
A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The National Weather Service office for each area sets the criteria for this product with its partners. The national record · Every warning type in Pennsylvania.