Winter Weather Risk in Pennsylvania
All Pennsylvania counties ranked by FEMA National Risk Index winter weather score
Winter Weather risk — heavy snow, blizzards, and hazardous winter conditions — is rated for 67 of 67 Pennsylvania counties in FEMA's National Risk Index. Philadelphia County carries the state's highest winter weather score at 99.8, with $2M in expected annual winter weather losses.
25 Pennsylvania counties are rated High or Very High for winter weather, and expected annual losses from winter weather total roughly $33M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Winter Weather
| # | County | Winter Weather Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Philadelphia County | Very High | 10.54 / yr | $2M | |
| 2 | Montgomery County | Very High | 12.40 / yr | $3M | |
| 3 | Lancaster County | Very High | 12.27 / yr | $2M | |
| 4 | Berks County | Very High | 12.63 / yr | $2M | |
| 5 | Delaware County | Very High | 10.49 / yr | $2M | |
| 6 | Bucks County | Very High | 12.32 / yr | $2M | |
| 7 | Lehigh County | Very High | 13.53 / yr | $1M | |
| 8 | Chester County | Very High | 12.13 / yr | $2M | |
| 9 | Dauphin County | Very High | 12.32 / yr | $1M | |
| 10 | York County | Very High | 12.21 / yr | $1M | |
| 11 | Luzerne County | Very High | 13.32 / yr | $844K | |
| 12 | Northampton County | High | 14.21 / yr | $940K | |
| 13 | Schuylkill County | High | 14.37 / yr | $727K | |
| 14 | Erie County | High | 29.77 / yr | $614K | |
| 15 | Centre County | High | 14.40 / yr | $576K | |
| 16 | Cumberland County | High | 12.16 / yr | $697K | |
| 17 | Allegheny County | High | 11.21 / yr | $586K | |
| 18 | Monroe County | High | 17.95 / yr | $562K | |
| 19 | Blair County | High | 13.95 / yr | $448K | |
| 20 | Lackawanna County | High | 13.79 / yr | $427K | |
| 21 | Lebanon County | High | 12.37 / yr | $482K | |
| 22 | Northumberland County | High | 12.79 / yr | $404K | |
| 23 | Clearfield County | High | 18.43 / yr | $348K | |
| 24 | Lycoming County | High | 13.87 / yr | $375K | |
| 25 | Crawford County | High | 26.22 / yr | $284K | |
| 26 | Columbia County | Medium | 13.16 / yr | $262K | |
| 27 | McKean County | Medium | 24.11 / yr | $194K | |
| 28 | Franklin County | Medium | 12.47 / yr | $237K | |
| 29 | Mifflin County | Medium | 12.84 / yr | $143K | |
| 30 | Jefferson County | Medium | 16.11 / yr | $150K | |
| 31 | Union County | Medium | 12.81 / yr | $165K | |
| 32 | Snyder County | Medium | 12.58 / yr | $175K | |
| 33 | Carbon County | Medium | 17.84 / yr | $202K | |
| 34 | Mercer County | Medium | 16.84 / yr | $168K | |
| 35 | Perry County | Medium | 12.21 / yr | $189K | |
| 36 | Huntingdon County | Medium | 13.32 / yr | $166K | |
| 37 | Tioga County | Medium | 15.47 / yr | $150K | |
| 38 | Somerset County | Medium | 26.22 / yr | $154K | |
| 39 | Cambria County | Medium | 24.06 / yr | $144K | |
| 40 | Clinton County | Medium | 14.39 / yr | $124K | |
| 41 | Adams County | Medium | 11.84 / yr | $141K | |
| 42 | Westmoreland County | Medium | 17.59 / yr | $143K | |
| 43 | Elk County | Medium | 18.79 / yr | $129K | |
| 44 | Butler County | Medium | 13.37 / yr | $139K | |
| 45 | Juniata County | Medium | 12.47 / yr | $81K | |
| 46 | Pike County | Medium | 16.00 / yr | $100K | |
| 47 | Fayette County | Low | 18.53 / yr | $67K | |
| 48 | Wayne County | Low | 16.79 / yr | $71K | |
| 49 | Montour County | Low | 12.32 / yr | $68K | |
| 50 | Potter County | Low | 17.37 / yr | $57K | |
| 51 | Lawrence County | Low | 12.37 / yr | $62K | |
| 52 | Venango County | Low | 17.47 / yr | $48K | |
| 53 | Warren County | Low | 26.53 / yr | $44K | |
| 54 | Susquehanna County | Low | 15.63 / yr | $47K | |
| 55 | Wyoming County | Low | 13.05 / yr | $44K | |
| 56 | Bedford County | Low | 13.90 / yr | $38K | |
| 57 | Beaver County | Low | 11.00 / yr | $38K | |
| 58 | Clarion County | Low | 15.74 / yr | $28K | |
| 59 | Sullivan County | Low | 15.05 / yr | $25K | |
| 60 | Cameron County | Low | 16.63 / yr | $18K | |
| 61 | Fulton County | Very Low | 13.00 / yr | $19K | |
| 62 | Washington County | Very Low | 10.32 / yr | $19K | |
| 63 | Greene County | Very Low | 10.21 / yr | $11K | |
| 64 | Forest County | Very Low | 17.74 / yr | $7K | |
| 65 | Bradford County | Very Low | 14.53 / yr | $8K | |
| 66 | Indiana County | Very Low | 16.30 / yr | $6K | |
| 67 | Armstrong County | Very Low | 13.47 / yr | $4K |
67 Pennsylvania counties with measurable winter weather risk. See the national winter weather ranking or all Pennsylvania counties by overall risk.
Frequently Asked Questions
Which Pennsylvania county has the highest winter weather risk?
Philadelphia County has the highest FEMA winter weather risk score in Pennsylvania at 99.8 (Very High), with $2M in expected annual losses and about 10.54 events per year.
How many Pennsylvania counties face significant winter weather risk?
67 Pennsylvania counties record measurable winter weather risk in FEMA's National Risk Index; 25 of them are rated High or Very High.