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

#CountyWinter Weather ScoreRatingAnn. Freq.Ann. Loss
1 Philadelphia County
99.8
Very High 10.54 / yr $2M
2 Montgomery County
99.8
Very High 12.40 / yr $3M
3 Lancaster County
99.5
Very High 12.27 / yr $2M
4 Berks County
99.4
Very High 12.63 / yr $2M
5 Delaware County
99.2
Very High 10.49 / yr $2M
6 Bucks County
99.1
Very High 12.32 / yr $2M
7 Lehigh County
98.8
Very High 13.53 / yr $1M
8 Chester County
98.4
Very High 12.13 / yr $2M
9 Dauphin County
98.2
Very High 12.32 / yr $1M
10 York County
97.6
Very High 12.21 / yr $1M
11 Luzerne County
97.2
Very High 13.32 / yr $844K
12 Northampton County
96.5
High 14.21 / yr $940K
13 Schuylkill County
96.1
High 14.37 / yr $727K
14 Erie County
95.0
High 29.77 / yr $614K
15 Centre County
94.4
High 14.40 / yr $576K
16 Cumberland County
94.1
High 12.16 / yr $697K
17 Allegheny County
93.3
High 11.21 / yr $586K
18 Monroe County
93.2
High 17.95 / yr $562K
19 Blair County
92.6
High 13.95 / yr $448K
20 Lackawanna County
92.4
High 13.79 / yr $427K
21 Lebanon County
92.0
High 12.37 / yr $482K
22 Northumberland County
91.2
High 12.79 / yr $404K
23 Clearfield County
90.0
High 18.43 / yr $348K
24 Lycoming County
89.0
High 13.87 / yr $375K
25 Crawford County
88.9
High 26.22 / yr $284K
26 Columbia County
83.2
Medium 13.16 / yr $262K
27 McKean County
81.9
Medium 24.11 / yr $194K
28 Franklin County
81.5
Medium 12.47 / yr $237K
29 Mifflin County
80.7
Medium 12.84 / yr $143K
30 Jefferson County
80.2
Medium 16.11 / yr $150K
31 Union County
79.9
Medium 12.81 / yr $165K
32 Snyder County
79.9
Medium 12.58 / yr $175K
33 Carbon County
78.7
Medium 17.84 / yr $202K
34 Mercer County
77.9
Medium 16.84 / yr $168K
35 Perry County
77.0
Medium 12.21 / yr $189K
36 Huntingdon County
76.1
Medium 13.32 / yr $166K
37 Tioga County
75.5
Medium 15.47 / yr $150K
38 Somerset County
75.2
Medium 26.22 / yr $154K
39 Cambria County
74.6
Medium 24.06 / yr $144K
40 Clinton County
73.1
Medium 14.39 / yr $124K
41 Adams County
71.5
Medium 11.84 / yr $141K
42 Westmoreland County
70.4
Medium 17.59 / yr $143K
43 Elk County
67.5
Medium 18.79 / yr $129K
44 Butler County
67.3
Medium 13.37 / yr $139K
45 Juniata County
65.8
Medium 12.47 / yr $81K
46 Pike County
63.7
Medium 16.00 / yr $100K
47 Fayette County
58.2
Low 18.53 / yr $67K
48 Wayne County
55.3
Low 16.79 / yr $71K
49 Montour County
54.3
Low 12.32 / yr $68K
50 Potter County
52.3
Low 17.37 / yr $57K
51 Lawrence County
50.1
Low 12.37 / yr $62K
52 Venango County
46.2
Low 17.47 / yr $48K
53 Warren County
41.2
Low 26.53 / yr $44K
54 Susquehanna County
40.8
Low 15.63 / yr $47K
55 Wyoming County
40.6
Low 13.05 / yr $44K
56 Bedford County
37.9
Low 13.90 / yr $38K
57 Beaver County
35.5
Low 11.00 / yr $38K
58 Clarion County
31.6
Low 15.74 / yr $28K
59 Sullivan County
30.8
Low 15.05 / yr $25K
60 Cameron County
25.0
Low 16.63 / yr $18K
61 Fulton County
21.7
Very Low 13.00 / yr $19K
62 Washington County
19.4
Very Low 10.32 / yr $19K
63 Greene County
14.3
Very Low 10.21 / yr $11K
64 Forest County
12.8
Very Low 17.74 / yr $7K
65 Bradford County
9.8
Very Low 14.53 / yr $8K
66 Indiana County
9.2
Very Low 16.30 / yr $6K
67 Armstrong County
4.8
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.

Other Hazards in Pennsylvania