Kentucky lightning risk

120 counties scored 0 rated Very High

Fayette County has the highest lightning risk in Kentucky, scoring 95.9 out of 100 — rated "Relatively High" by FEMA's National Risk Index. Recorded lightning events across Kentucky have decreased 57% over the past five years compared to the prior five-year period.

# County NRI score Rating NOAA events
2016–2026
1 Fayette County 95.9 Relatively High 6
2 Madison County 94.3 Relatively High 2
3 Jefferson County 91.3 Relatively High 3
4 Shelby County 87.5 Relatively High 1
5 Hardin County 86.3 Relatively High 1
6 Nelson County 85.5 Relatively High 1
7 Kenton County 83.7 Relatively High 0
8 Christian County 80.5 Relatively Moderate 1
9 Barren County 79.3 Relatively Moderate 4
10 Jessamine County 79.2 Relatively Moderate 1
11 McCracken County 78.5 Relatively Moderate 1
12 Hopkins County 78.4 Relatively Moderate 2
13 Campbell County 78 Relatively Moderate 0
14 Pulaski County 78 Relatively Moderate 2
15 Rowan County 77.3 Relatively Moderate 0
16 Boone County 76.6 Relatively Moderate 2
17 Warren County 75.7 Relatively Moderate 2
18 Calloway County 75.1 Relatively Moderate 4
19 Graves County 74.1 Relatively Moderate 1
20 Logan County 74 Relatively Moderate 2
21 Bath County 73.9 Relatively Moderate 1
22 Laurel County 73.8 Relatively Moderate 1
23 Scott County 71.6 Relatively Moderate 1
24 Pendleton County 71.2 Relatively Moderate 0
25 Bullitt County 70 Relatively Moderate 0
26 Daviess County 69.5 Relatively Moderate 1
27 Franklin County 65.2 Relatively Moderate 1
28 Oldham County 64.5 Relatively Moderate 0
29 Trigg County 63.1 Relatively Moderate 1
30 Knox County 60.6 Relatively Moderate 0
31 Montgomery County 60.5 Relatively Moderate 1
32 Grant County 60.4 Relatively Moderate 0
33 Wayne County 60.2 Relatively Moderate 1
34 Whitley County 58.3 Relatively Moderate 1
35 Boyd County 57.2 Relatively Moderate 0
36 Floyd County 56.7 Relatively Moderate 1
37 Marshall County 56.1 Relatively Low 0
38 McCreary County 55.9 Relatively Low 0
39 Clark County 55.6 Relatively Low 0
40 Simpson County 55.1 Relatively Low 1
41 Woodford County 54.1 Relatively Low 0
42 Harrison County 53.6 Relatively Low 0
43 Fleming County 53 Relatively Low 0
44 Muhlenberg County 51.5 Relatively Low 0
45 Boyle County 51.3 Relatively Low 0
46 Russell County 50.8 Relatively Low 1
47 Garrard County 50.7 Relatively Low 1
48 Taylor County 50.3 Relatively Low 2
49 Mercer County 49.6 Relatively Low 0
50 Greenup County 49.5 Relatively Low 2
51 Lincoln County 49.4 Relatively Low 0
52 Henderson County 49.3 Relatively Low 0
53 Bourbon County 48.5 Relatively Low 0
54 Perry County 48.2 Relatively Low 0
55 Adair County 47 Relatively Low 0
56 Mason County 46.7 Relatively Low 0
57 Grayson County 46.4 Relatively Low 1
58 Rockcastle County 45.3 Relatively Low 1
59 Casey County 44.9 Relatively Low 1
60 Meade County 44.8 Relatively Low 0
61 Johnson County 44.6 Relatively Low 0
62 Powell County 43.1 Relatively Low 2
63 Anderson County 42.9 Relatively Low 1
64 Estill County 42.8 Relatively Low 0
65 Marion County 42.6 Relatively Low 1
66 Carter County 41.3 Relatively Low 0
67 Ohio County 41.2 Relatively Low 0
68 Hart County 40.6 Relatively Low 1
69 Monroe County 40 Relatively Low 0
70 Clinton County 39.6 Relatively Low 0
71 Pike County 39.4 Relatively Low 0
72 Lewis County 39.1 Relatively Low 0
73 Henry County 38.8 Relatively Low 1
74 Metcalfe County 37.1 Relatively Low 0
75 Clay County 36.7 Relatively Low 0
76 Allen County 36.1 Relatively Low 0
77 Spencer County 35.6 Relatively Low 0
78 Jackson County 35.4 Relatively Low 0
79 Breathitt County 35.3 Relatively Low 0
80 Bracken County 34.7 Relatively Low 0
81 Nicholas County 34 Relatively Low 0
82 Larue County 33.9 Relatively Low 0
83 Morgan County 33.7 Relatively Low 0
84 Caldwell County 32.6 Relatively Low 0
85 Fulton County 32.3 Relatively Low 0
86 Green County 31.1 Relatively Low 0
87 Lawrence County 29.1 Relatively Low 0
88 Gallatin County 28.9 Relatively Low 0
89 Magoffin County 28.8 Relatively Low 0
90 Breckinridge County 28 Relatively Low 1
91 Washington County 27.9 Relatively Low 0
92 Cumberland County 27.5 Relatively Low 0
93 Todd County 27.4 Relatively Low 2
94 Elliott County 27 Relatively Low 0
95 Knott County 27 Relatively Low 0
96 Carroll County 26.7 Relatively Low 0
97 Lyon County 26.7 Relatively Low 0
98 Martin County 26.6 Relatively Low 0
99 Owen County 26.6 Relatively Low 0
100 Wolfe County 26.4 Relatively Low 1
101 Union County 26.3 Relatively Low 0
102 Livingston County 25.4 Relatively Low 0
103 Webster County 24.9 Relatively Low 0
104 Crittenden County 24.3 Relatively Low 0
105 Butler County 22.7 Very Low 1
106 Lee County 22.6 Very Low 0
107 Trimble County 21.5 Very Low 0
108 Ballard County 21.2 Very Low 0
109 Bell County 20.6 Very Low 0
110 Hickman County 20.4 Very Low 0
111 Edmonson County 20.3 Very Low 0
112 McLean County 18.8 Very Low 0
113 Harlan County 16.4 Very Low 0
114 Leslie County 16.2 Very Low 0
115 Carlisle County 15 Very Low 0
116 Menifee County 14.7 Very Low 0
117 Hancock County 13.5 Very Low 0
118 Owsley County 12.3 Very Low 0
119 Letcher County 12.2 Very Low 0
120 Robertson County 10.5 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.

Lightning risk nationally:

Other hazard risks in Kentucky:

Frequently asked questions

What is the highest lightning risk county in Kentucky?

Fayette County, KY has the highest lightning risk in Kentucky, with a FEMA National Risk Index score of 95.9 out of 100 (rated "Relatively High").

What causes lightning risk in Kentucky?

Lightning risk reflects expected annual losses from cloud-to-ground strikes, which ignite building fires, damage electrical systems, and cause fatalities. Florida consistently leads the US in lightning density. High scores also appear across the Gulf Coast, Southeast, and central Plains, where afternoon convective storms are most frequent in summer months.