Ice Storm Risk in Illinois

All Illinois counties ranked by FEMA National Risk Index ice storm score

Ice Storm risk — freezing rain that coats surfaces in heavy, damaging ice — is rated for 102 of 102 Illinois counties in FEMA's National Risk Index. Cook County carries the state's highest ice storm score at 97.2, with $2M in expected annual ice storm losses.

4 Illinois counties are rated High or Very High for ice storm, and expected annual losses from ice storm total roughly $15M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Ice Storm

#CountyIce Storm ScoreRatingAnn. Freq.Ann. Loss
1 Cook County
97.2
Very High 0.58 / yr $2M
2 St. Clair County
91.0
High 1.39 / yr $1M
3 Peoria County
89.4
High 1.17 / yr $827K
4 Winnebago County
85.2
High 0.72 / yr $615K
5 Williamson County
81.9
Medium 0.79 / yr $428K
6 Sangamon County
80.6
Medium 1.49 / yr $458K
7 Rock Island County
80.4
Medium 0.67 / yr $366K
8 Will County
80.2
Medium 0.93 / yr $532K
9 Massac County
79.7
Medium 1.23 / yr $331K
10 Jackson County
79.2
Medium 0.67 / yr $290K
11 Madison County
75.1
Medium 1.18 / yr $327K
12 Tazewell County
74.9
Medium 1.56 / yr $330K
13 DuPage County
74.0
Medium 0.42 / yr $339K
14 Fulton County
73.7
Medium 1.30 / yr $278K
15 McLean County
71.6
Medium 1.47 / yr $302K
16 Saline County
71.5
Medium 0.82 / yr $169K
17 Knox County
71.0
Medium 0.91 / yr $215K
18 Stephenson County
69.7
Medium 0.88 / yr $191K
19 Henry County
69.0
Medium 0.71 / yr $263K
20 Whiteside County
68.9
Medium 0.67 / yr $203K
21 Johnson County
68.4
Medium 0.91 / yr $145K
22 Champaign County
67.8
Medium 0.92 / yr $210K
23 Alexander County
67.8
Medium 1.28 / yr $134K
24 Mercer County
66.3
Medium 0.67 / yr $285K
25 Macon County
66.1
Medium 1.44 / yr $167K
26 McDonough County
65.6
Medium 1.09 / yr $148K
27 Kane County
63.6
Medium 0.54 / yr $192K
28 Union County
63.5
Medium 0.89 / yr $125K
29 Lake County
63.2
Medium 0.46 / yr $196K
30 Franklin County
63.1
Medium 0.48 / yr $110K
31 LaSalle County
61.9
Medium 0.70 / yr $149K
32 Vermilion County
61.3
Medium 0.99 / yr $116K
33 Bureau County
61.1
Medium 0.63 / yr $139K
34 DeKalb County
60.1
Medium 0.62 / yr $147K
35 Ogle County
59.9
Low 0.70 / yr $163K
36 Morgan County
59.3
Low 1.47 / yr $125K
37 Pulaski County
57.8
Low 1.12 / yr $84K
38 Jo Daviess County
56.6
Low 0.82 / yr $106K
39 McHenry County
55.6
Low 0.61 / yr $171K
40 Warren County
55.0
Low 0.84 / yr $123K
41 White County
53.9
Low 0.67 / yr $83K
42 Adams County
53.5
Low 1.42 / yr $107K
43 Pope County
52.3
Low 1.07 / yr $86K
44 Randolph County
49.7
Low 0.82 / yr $75K
45 Effingham County
49.4
Low 0.79 / yr $95K
46 Gallatin County
48.6
Low 0.84 / yr $50K
47 Kankakee County
47.9
Low 0.81 / yr $73K
48 Logan County
47.4
Low 1.83 / yr $77K
49 Richland County
46.9
Low 0.53 / yr $62K
50 Hancock County
46.8
Low 0.90 / yr $61K
51 Woodford County
46.3
Low 1.22 / yr $127K
52 Macoupin County
46.0
Low 1.24 / yr $65K
53 Mason County
45.5
Low 1.81 / yr $63K
54 Carroll County
45.1
Low 0.73 / yr $60K
55 Coles County
44.4
Low 0.83 / yr $70K
56 Fayette County
43.9
Low 0.92 / yr $62K
57 Jefferson County
43.7
Low 0.48 / yr $58K
58 Clark County
43.1
Low 0.74 / yr $60K
59 Lee County
42.2
Low 0.56 / yr $68K
60 Kendall County
41.4
Low 0.93 / yr $99K
61 Hardin County
40.7
Low 1.01 / yr $46K
62 Henderson County
40.2
Low 0.50 / yr $39K
63 Marion County
39.8
Low 0.59 / yr $43K
64 Menard County
38.9
Low 1.63 / yr $43K
65 Montgomery County
37.6
Low 1.18 / yr $42K
66 Edgar County
37.6
Low 1.16 / yr $50K
67 Clay County
37.5
Low 0.62 / yr $43K
68 Hamilton County
36.2
Low 0.54 / yr $55K
69 Livingston County
35.9
Low 0.97 / yr $47K
70 Lawrence County
35.6
Low 0.44 / yr $38K
71 Wayne County
35.3
Low 0.52 / yr $45K
72 Marshall County
34.9
Low 0.73 / yr $40K
73 Christian County
33.9
Low 1.33 / yr $48K
74 Perry County
33.5
Low 0.48 / yr $33K
75 Crawford County
33.5
Low 0.53 / yr $47K
76 Cumberland County
33.0
Low 0.74 / yr $33K
77 De Witt County
32.4
Low 1.62 / yr $37K
78 Boone County
32.2
Low 0.67 / yr $40K
79 Stark County
31.2
Low 0.86 / yr $41K
80 Piatt County
29.8
Low 1.44 / yr $36K
81 Wabash County
29.7
Low 0.39 / yr $28K
82 Edwards County
27.6
Low 0.45 / yr $20K
83 Jasper County
27.4
Low 0.63 / yr $37K
84 Shelby County
26.3
Very Low 1.11 / yr $29K
85 Iroquois County
26.2
Very Low 0.98 / yr $26K
86 Moultrie County
25.9
Very Low 1.27 / yr $18K
87 Douglas County
25.3
Very Low 0.94 / yr $21K
88 Cass County
25.0
Very Low 1.55 / yr $24K
89 Grundy County
24.8
Very Low 0.82 / yr $46K
90 Ford County
21.8
Very Low 1.05 / yr $19K
91 Washington County
21.0
Very Low 0.62 / yr $18K
92 Jersey County
20.7
Very Low 1.15 / yr $26K
93 Putnam County
20.4
Very Low 0.70 / yr $17K
94 Schuyler County
19.7
Very Low 1.29 / yr $13K
95 Pike County
19.3
Very Low 1.32 / yr $15K
96 Clinton County
18.8
Very Low 0.70 / yr $16K
97 Bond County
18.4
Very Low 1.10 / yr $13K
98 Monroe County
17.4
Very Low 1.24 / yr $22K
99 Brown County
16.0
Very Low 1.60 / yr $11K
100 Greene County
14.7
Very Low 1.19 / yr $10K
101 Scott County
10.6
Very Low 1.35 / yr $8K
102 Calhoun County
4.8
Very Low 1.15 / yr $3K

102 Illinois counties with measurable ice storm risk. See the national ice storm ranking or all Illinois counties by overall risk.

Frequently Asked Questions

Which Illinois county has the highest ice storm risk?

Cook County has the highest FEMA ice storm risk score in Illinois at 97.2 (Very High), with $2M in expected annual losses and about 0.58 events per year.

How many Illinois counties face significant ice storm risk?

102 Illinois counties record measurable ice storm risk in FEMA's National Risk Index; 4 of them are rated High or Very High.

Other Hazards in Illinois

Cold Wave Drought Earthquake Hail Heat Wave Hurricane Riverine Flood Landslide Lightning Strong Wind Tornado Wildfire Winter Weather