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Illinois drought risk

102 counties scored 0 rated Very High

Sangamon County has the highest drought risk in Illinois, scoring 95.9 out of 100 — rated "Relatively High" by FEMA's National Risk Index.

# County NRI score Rating NOAA events
2016–2026
1 Sangamon County 95.9 Relatively High 0
2 Champaign County 95.5 Relatively High 0
3 Bureau County 94.6 Relatively High 0
4 Shelby County 93.4 Relatively High 0
5 McLean County 93 Relatively High 0
6 Morgan County 92.9 Relatively High 0
7 Logan County 92.4 Relatively High 0
8 Edwards County 91.6 Relatively High 0
9 Christian County 91.3 Relatively High 0
10 Henry County 90.6 Relatively High 0
11 Clay County 90.2 Relatively Moderate 0
12 Douglas County 89.3 Relatively Moderate 0
13 Coles County 89.2 Relatively Moderate 0
14 Moultrie County 88.7 Relatively Moderate 0
15 LaSalle County 88 Relatively Moderate 0
16 Macon County 87.5 Relatively Moderate 0
17 Effingham County 87.2 Relatively Moderate 0
18 Piatt County 87.1 Relatively Moderate 0
19 Vermilion County 87.1 Relatively Moderate 0
20 Mason County 86.9 Relatively Moderate 0
21 Whiteside County 86.8 Relatively Moderate 0
22 Cumberland County 86.6 Relatively Moderate 0
23 Edgar County 86.5 Relatively Moderate 0
24 Lawrence County 85.8 Relatively Moderate 0
25 Peoria County 85.4 Relatively Moderate 0
26 Carroll County 84.8 Relatively Moderate 0
27 Tazewell County 84.7 Relatively Moderate 0
28 Jasper County 84.5 Relatively Moderate 0
29 Adams County 84.1 Relatively Moderate 0
30 Cass County 84.1 Relatively Moderate 0
31 Hancock County 84.1 Relatively Moderate 0
32 McDonough County 83.5 Relatively Moderate 0
33 Marshall County 82.7 Relatively Moderate 0
34 Warren County 81.9 Relatively Moderate 0
35 Pike County 81.8 Relatively Moderate 0
36 De Witt County 81.7 Relatively Moderate 0
37 Stephenson County 81 Relatively Moderate 0
38 Henderson County 80.3 Relatively Moderate 0
39 Montgomery County 79.9 Relatively Moderate 0
40 Lee County 79.6 Relatively Moderate 0
41 Clark County 79 Relatively Moderate 0
42 Stark County 78.9 Relatively Moderate 0
43 Menard County 78.6 Relatively Moderate 0
44 Richland County 77.3 Relatively Moderate 0
45 Massac County 77 Relatively Moderate 0
46 Ogle County 75.8 Relatively Moderate 0
47 DeKalb County 74.7 Relatively Moderate 0
48 Knox County 74.3 Relatively Moderate 0
49 Fayette County 73.7 Relatively Moderate 0
50 Pulaski County 73.4 Relatively Moderate 0
51 Livingston County 73.3 Relatively Moderate 0
52 Crawford County 71.7 Relatively Moderate 0
53 Gallatin County 71.6 Relatively Moderate 0
54 Scott County 71.6 Relatively Moderate 0
55 Mercer County 71.5 Relatively Moderate 0
56 Alexander County 70.9 Relatively Moderate 0
57 Wayne County 70.6 Relatively Moderate 0
58 Rock Island County 70.5 Relatively Moderate 0
59 Woodford County 70.2 Relatively Moderate 0
60 Greene County 68.4 Relatively Moderate 0
61 Wabash County 68.4 Relatively Moderate 0
62 Jo Daviess County 68.2 Relatively Moderate 0
63 White County 67.6 Relatively Moderate 0
64 Macoupin County 67.3 Relatively Moderate 0
65 Saline County 67 Relatively Moderate 0
66 Washington County 66.6 Relatively Moderate 0
67 Fulton County 65.8 Relatively Moderate 0
68 Kane County 65.7 Relatively Moderate 0
69 Marion County 64.4 Relatively Moderate 0
70 Madison County 63.2 Relatively Low 0
71 Putnam County 62.8 Relatively Low 0
72 Schuyler County 61.5 Relatively Low 0
73 St. Clair County 61.4 Relatively Low 0
74 Union County 60.8 Relatively Low 0
75 Clinton County 60 Relatively Low 0
76 Jackson County 59.2 Relatively Low 0
77 McHenry County 59.2 Relatively Low 0
78 Jefferson County 58.3 Relatively Low 0
79 Franklin County 58.2 Relatively Low 0
80 Perry County 58.1 Relatively Low 0
81 Winnebago County 57.9 Relatively Low 0
82 Randolph County 57.3 Relatively Low 0
83 Brown County 54.9 Relatively Low 0
84 Ford County 54.2 Relatively Low 0
85 Williamson County 54.2 Relatively Low 0
86 Bond County 53.4 Relatively Low 0
87 Hamilton County 52.7 Relatively Low 0
88 Johnson County 52.5 Relatively Low 0
89 Pope County 50.6 Relatively Low 0
90 Boone County 49.5 Relatively Low 0
91 Hardin County 46.5 Relatively Low 0
92 Kendall County 45.6 Relatively Low 0
93 Jersey County 45.5 Relatively Low 0
94 Kankakee County 42.9 Relatively Low 0
95 Monroe County 41.1 Relatively Low 0
96 Lake County 40.8 Relatively Low 0
97 Calhoun County 38.3 Relatively Low 0
98 Will County 38.1 Relatively Low 0
99 Grundy County 37.3 Relatively Low 0
100 Cook County 25.7 Very Low 0
101 DuPage County 23.2 Very Low 0
102 Iroquois County 22.6 Very Low 0

Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.

Drought risk nationally:

Top 50 US counties

Other hazard risks in Illinois:

WildfireInland FloodingCoastal FloodingEarthquakeHeat WaveTornadoHurricaneHailStrong WindWinter WeatherIce StormCold WaveLightningLandslideAvalancheTsunamiVolcanic Activity

Frequently asked questions

What is the highest drought risk county in Illinois?

Sangamon County, IL has the highest drought risk in Illinois, with a FEMA National Risk Index score of 95.9 out of 100 (rated "Relatively High").

What causes drought risk in Illinois?

Drought risk captures expected annual losses from prolonged precipitation deficits affecting agriculture, water supply, and ecosystems. High scores cover the western Great Plains, Southwest, and California's Central Valley. Climate change is increasing drought frequency and severity across much of the US, with multi-year droughts becoming more common in the West.