Winter Weather Risk in Illinois
All Illinois counties ranked by FEMA National Risk Index winter weather score
Winter Weather risk — heavy snow, blizzards, and hazardous winter conditions — is rated for 102 of 102 Illinois counties in FEMA's National Risk Index. Cook County carries the state's highest winter weather score at 100.0, with $4M in expected annual winter weather losses.
15 Illinois counties are rated High or Very High for winter weather, and expected annual losses from winter weather total roughly $16M 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 | Cook County | Very High | 14.60 / yr | $4M | |
| 2 | Champaign County | High | 9.63 / yr | $774K | |
| 3 | Will County | High | 14.37 / yr | $617K | |
| 4 | Vermilion County | High | 9.58 / yr | $354K | |
| 5 | Jackson County | High | 8.05 / yr | $328K | |
| 6 | Madison County | High | 8.89 / yr | $481K | |
| 7 | Sangamon County | High | 8.95 / yr | $453K | |
| 8 | Rock Island County | High | 15.58 / yr | $360K | |
| 9 | Williamson County | High | 7.63 / yr | $364K | |
| 10 | DuPage County | High | 14.35 / yr | $452K | |
| 11 | St. Clair County | High | 9.00 / yr | $333K | |
| 12 | Franklin County | High | 7.84 / yr | $225K | |
| 13 | Jefferson County | High | 8.26 / yr | $284K | |
| 14 | Peoria County | High | 10.95 / yr | $288K | |
| 15 | McLean County | High | 10.84 / yr | $358K | |
| 16 | Winnebago County | Medium | 14.74 / yr | $275K | |
| 17 | Randolph County | Medium | 8.11 / yr | $223K | |
| 18 | Tazewell County | Medium | 10.84 / yr | $234K | |
| 19 | McHenry County | Medium | 14.59 / yr | $310K | |
| 20 | Perry County | Medium | 8.16 / yr | $169K | |
| 21 | Coles County | Medium | 8.37 / yr | $210K | |
| 22 | Macon County | Medium | 8.58 / yr | $177K | |
| 23 | Saline County | Medium | 7.74 / yr | $130K | |
| 24 | Kane County | Medium | 14.27 / yr | $222K | |
| 25 | Marion County | Medium | 7.84 / yr | $110K | |
| 26 | LaSalle County | Medium | 15.05 / yr | $131K | |
| 27 | White County | Medium | 8.00 / yr | $102K | |
| 28 | Whiteside County | Medium | 16.26 / yr | $120K | |
| 29 | Union County | Medium | 7.74 / yr | $94K | |
| 30 | Macoupin County | Medium | 8.47 / yr | $100K | |
| 31 | Johnson County | Medium | 7.47 / yr | $76K | |
| 32 | Henry County | Medium | 15.63 / yr | $133K | |
| 33 | Effingham County | Medium | 7.11 / yr | $119K | |
| 34 | Douglas County | Medium | 8.63 / yr | $88K | |
| 35 | Adams County | Medium | 10.26 / yr | $107K | |
| 36 | Lake County | Medium | 15.56 / yr | $125K | |
| 37 | Massac County | Medium | 6.58 / yr | $79K | |
| 38 | Knox County | Low | 11.11 / yr | $74K | |
| 39 | Edgar County | Low | 8.53 / yr | $82K | |
| 40 | Moultrie County | Low | 8.26 / yr | $55K | |
| 41 | Montgomery County | Low | 8.42 / yr | $67K | |
| 42 | Shelby County | Low | 8.37 / yr | $85K | |
| 43 | McDonough County | Low | 11.21 / yr | $62K | |
| 44 | Richland County | Low | 6.58 / yr | $59K | |
| 45 | Hamilton County | Low | 7.89 / yr | $88K | |
| 46 | Fulton County | Low | 10.47 / yr | $69K | |
| 47 | Kendall County | Low | 14.37 / yr | $113K | |
| 48 | Clark County | Low | 7.42 / yr | $61K | |
| 49 | Lawrence County | Low | 6.53 / yr | $54K | |
| 50 | Gallatin County | Low | 7.74 / yr | $36K | |
| 51 | Morgan County | Low | 8.95 / yr | $54K | |
| 52 | Logan County | Low | 9.21 / yr | $57K | |
| 53 | Christian County | Low | 8.37 / yr | $68K | |
| 54 | Crawford County | Low | 6.74 / yr | $66K | |
| 55 | Stephenson County | Low | 15.89 / yr | $47K | |
| 56 | Bureau County | Low | 14.79 / yr | $51K | |
| 57 | Kankakee County | Low | 11.00 / yr | $48K | |
| 58 | Alexander County | Low | 6.89 / yr | $35K | |
| 59 | Clay County | Low | 6.74 / yr | $44K | |
| 60 | Piatt County | Low | 9.26 / yr | $54K | |
| 61 | Clinton County | Low | 8.26 / yr | $53K | |
| 62 | Livingston County | Low | 10.74 / yr | $51K | |
| 63 | Boone County | Low | 14.58 / yr | $52K | |
| 64 | Wabash County | Low | 7.84 / yr | $42K | |
| 65 | Cumberland County | Low | 7.37 / yr | $40K | |
| 66 | Washington County | Low | 8.26 / yr | $46K | |
| 67 | Wayne County | Low | 7.95 / yr | $48K | |
| 68 | Fayette County | Low | 7.79 / yr | $44K | |
| 69 | Jo Daviess County | Low | 16.53 / yr | $42K | |
| 70 | Hancock County | Low | 11.21 / yr | $37K | |
| 71 | Pulaski County | Low | 6.79 / yr | $26K | |
| 72 | Woodford County | Low | 11.00 / yr | $65K | |
| 73 | Edwards County | Low | 8.00 / yr | $26K | |
| 74 | Warren County | Low | 12.84 / yr | $39K | |
| 75 | DeKalb County | Low | 15.00 / yr | $36K | |
| 76 | Monroe County | Low | 8.79 / yr | $58K | |
| 77 | Pope County | Low | 7.16 / yr | $30K | |
| 78 | Bond County | Low | 8.05 / yr | $30K | |
| 79 | Carroll County | Low | 16.53 / yr | $27K | |
| 80 | De Witt County | Low | 9.42 / yr | $30K | |
| 81 | Lee County | Low | 14.42 / yr | $33K | |
| 82 | Mason County | Low | 9.74 / yr | $26K | |
| 83 | Menard County | Low | 9.05 / yr | $24K | |
| 84 | Jasper County | Low | 6.89 / yr | $35K | |
| 85 | Iroquois County | Low | 9.95 / yr | $27K | |
| 86 | Mercer County | Low | 14.16 / yr | $40K | |
| 87 | Grundy County | Low | 14.11 / yr | $47K | |
| 88 | Pike County | Low | 9.74 / yr | $23K | |
| 89 | Hardin County | Very Low | 7.00 / yr | $19K | |
| 90 | Marshall County | Very Low | 11.21 / yr | $21K | |
| 91 | Ford County | Very Low | 10.05 / yr | $21K | |
| 92 | Henderson County | Very Low | 12.89 / yr | $15K | |
| 93 | Cass County | Very Low | 9.26 / yr | $20K | |
| 94 | Jersey County | Very Low | 9.05 / yr | $29K | |
| 95 | Greene County | Very Low | 8.84 / yr | $19K | |
| 96 | Ogle County | Very Low | 14.84 / yr | $20K | |
| 97 | Schuyler County | Very Low | 9.74 / yr | $11K | |
| 98 | Putnam County | Very Low | 14.84 / yr | $10K | |
| 99 | Brown County | Very Low | 9.89 / yr | $10K | |
| 100 | Stark County | Very Low | 10.89 / yr | $7K | |
| 101 | Calhoun County | Very Low | 9.11 / yr | $6K | |
| 102 | Scott County | Very Low | 8.95 / yr | $7K |
102 Illinois counties with measurable winter weather risk. See the national winter weather ranking or all Illinois counties by overall risk.
Frequently Asked Questions
Which Illinois county has the highest winter weather risk?
Cook County has the highest FEMA winter weather risk score in Illinois at 100.0 (Very High), with $4M in expected annual losses and about 14.60 events per year.
How many Illinois counties face significant winter weather risk?
102 Illinois counties record measurable winter weather risk in FEMA's National Risk Index; 15 of them are rated High or Very High.