National Weather ServicePennsylvaniaWinter Storm WarningArchive to October 1, 2026
Winter Storm Warnings in Pennsylvania
The National Weather Service issued 21 winter storm warnings for Pennsylvania in 2025 and 24 a year on average in 2008-2025; in 2021-2025 it had the 15th most of any state. 2026 through September: 11, 37% below the average of 18 for those months in 2008-2025. Somerset was covered most often (81 times since 2008).
How many winter storm warnings does Pennsylvania get?
Every winter storm warning that covered part of Pennsylvania. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 11 |
| 2025 | 21 |
| 2024 | 26 |
| 2023 | 11 |
| 2022 | 28 |
| 2021 | 15 |
| 2020 | 12 |
| 2019 | 27 |
| 2018 | 35 |
| 2017 | 14 |
| 2016 | 14 |
| 2015 | 20 |
| 2014 | 35 |
| 2013 | 27 |
| 2012 | 23 |
| 2011 | 40 |
| 2010 | 31 |
| 2009 | 26 |
| 2008 | 34 |
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 2008-2025; 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 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Somerset | 81 | 15 | February 22, 2026 |
| Southern Erie | 71 | 9 | March 16, 2026 |
| Monroe | 67 | 10 | February 22, 2026 |
| Carbon | 63 | 7 | February 22, 2026 |
| Fayette Ridges | 62 | 14 | February 22, 2026 |
| Cambria | 60 | 8 | February 22, 2026 |
| Westmoreland Ridges | 58 | 14 | February 22, 2026 |
| Crawford | 57 | 5 | January 25, 2026 |
| Northern Wayne | 56 | 12 | February 22, 2026 |
| Northampton | 52 | 6 | February 22, 2026 |
| Northern Erie | 52 | 3 | January 25, 2026 |
| Pike | 52 | 10 | February 22, 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 winter storm warning?
A winter storm warning means significant snow, sleet or freezing rain is expected that will make travel very difficult or impossible. Each office sets the amounts for its area. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Pennsylvania.