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Tennessee strong wind risk

95 counties scored 0 rated Very High

Hamilton County has the highest strong wind risk in Tennessee, scoring 97.5 out of 100 — rated "Relatively High" by FEMA's National Risk Index.

# County NRI score Rating NOAA events
2016–2026
1 Hamilton County 97.5 Relatively High 0
2 Davidson County 97.1 Relatively High 0
3 Hardin County 94.3 Relatively High 0
4 Sumner County 93.7 Relatively High 0
5 Maury County 92.3 Relatively High 0
6 Knox County 89.3 Relatively High 0
7 Williamson County 89.1 Relatively High 0
8 Madison County 88.2 Relatively High 0
9 Shelby County 87.7 Relatively High 0
10 Montgomery County 87.6 Relatively High 0
11 Washington County 87.5 Relatively High 0
12 Sullivan County 86.9 Relatively High 0
13 Giles County 86.6 Relatively High 0
14 Rutherford County 84.8 Relatively High 0
15 Carter County 84 Relatively High 0
16 Robertson County 83.7 Relatively Moderate 0
17 Marion County 83.3 Relatively Moderate 0
18 Loudon County 82.6 Relatively Moderate 0
19 McMinn County 81.9 Relatively Moderate 0
20 Cumberland County 81.5 Relatively Moderate 0
21 Roane County 80.7 Relatively Moderate 0
22 Monroe County 79.3 Relatively Moderate 0
23 Lincoln County 79.2 Relatively Moderate 0
24 Henderson County 78.8 Relatively Moderate 0
25 Gibson County 78.7 Relatively Moderate 0
26 Obion County 75.8 Relatively Moderate 0
27 Humphreys County 74.7 Relatively Moderate 0
28 Campbell County 74.4 Relatively Moderate 0
29 Warren County 74.2 Relatively Moderate 0
30 Anderson County 73.6 Relatively Moderate 0
31 Hawkins County 73.2 Relatively Moderate 0
32 Putnam County 72.1 Relatively Moderate 0
33 Henry County 71.6 Relatively Moderate 0
34 Dyer County 71.5 Relatively Moderate 0
35 Macon County 70.8 Relatively Moderate 0
36 Wilson County 70.5 Relatively Moderate 0
37 Weakley County 70.3 Relatively Moderate 0
38 Bedford County 69.3 Relatively Moderate 0
39 Coffee County 69.1 Relatively Moderate 0
40 Polk County 69.1 Relatively Moderate 0
41 Rhea County 66.2 Relatively Moderate 0
42 White County 65.9 Relatively Moderate 0
43 Blount County 65.1 Relatively Moderate 0
44 Crockett County 65 Relatively Moderate 0
45 Bradley County 64.3 Relatively Moderate 0
46 Sevier County 63.5 Relatively Moderate 0
47 Greene County 63.4 Relatively Moderate 0
48 McNairy County 63.2 Relatively Moderate 0
49 Franklin County 62.5 Relatively Moderate 0
50 Lawrence County 59.7 Relatively Moderate 0
51 Claiborne County 59.5 Relatively Moderate 0
52 Houston County 57.8 Relatively Moderate 0
53 Meigs County 57.1 Relatively Moderate 0
54 Grundy County 56.5 Relatively Moderate 0
55 Cocke County 56.4 Relatively Moderate 0
56 DeKalb County 56.1 Relatively Moderate 0
57 Morgan County 55.3 Relatively Moderate 0
58 Marshall County 52.6 Relatively Moderate 0
59 Benton County 52.3 Relatively Moderate 0
60 Dickson County 51 Relatively Low 0
61 Hardeman County 50.9 Relatively Low 0
62 Scott County 50.7 Relatively Low 0
63 Fentress County 50.3 Relatively Low 0
64 Hickman County 50.2 Relatively Low 0
65 Carroll County 49.5 Relatively Low 0
66 Hamblen County 49 Relatively Low 0
67 Decatur County 48.7 Relatively Low 0
68 Grainger County 48.4 Relatively Low 0
69 Jackson County 47.9 Relatively Low 0
70 Smith County 47.3 Relatively Low 0
71 Bledsoe County 46.3 Relatively Low 0
72 Wayne County 45.3 Relatively Low 0
73 Cheatham County 44 Relatively Low 0
74 Overton County 43.6 Relatively Low 0
75 Cannon County 43.1 Relatively Low 0
76 Stewart County 43.1 Relatively Low 0
77 Jefferson County 42.9 Relatively Low 0
78 Tipton County 41.6 Relatively Low 0
79 Union County 40.7 Relatively Low 0
80 Fayette County 39.9 Relatively Low 0
81 Sequatchie County 39.6 Relatively Low 0
82 Chester County 38.5 Relatively Low 0
83 Clay County 37.2 Relatively Low 0
84 Johnson County 36.2 Relatively Low 0
85 Lewis County 36 Relatively Low 0
86 Perry County 34.6 Relatively Low 0
87 Unicoi County 31.4 Relatively Low 0
88 Lake County 31.3 Relatively Low 0
89 Haywood County 30.5 Relatively Low 0
90 Hancock County 30.2 Relatively Low 0
91 Lauderdale County 28.1 Relatively Low 0
92 Trousdale County 28 Relatively Low 0
93 Moore County 26.5 Relatively Low 0
94 Pickett County 25.7 Relatively Low 0
95 Van Buren County 15.9 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.

Strong Wind risk nationally:

Top 50 US counties

Other hazard risks in Tennessee:

WildfireInland FloodingCoastal FloodingEarthquakeHeat WaveTornadoHurricaneHailWinter WeatherIce StormCold WaveLightningDroughtLandslideAvalancheTsunamiVolcanic Activity

Frequently asked questions

What is the highest strong wind risk county in Tennessee?

Hamilton County, TN has the highest strong wind risk in Tennessee, with a FEMA National Risk Index score of 97.5 out of 100 (rated "Relatively High").

What causes strong wind risk in Tennessee?

Strong wind risk covers non-convective, non-tropical sustained high winds — including derechos and general high-wind events, but excluding tornado and hurricane winds. High scores appear in mountain passes, coastal headlands, and open plains where topography amplifies wind speeds. Damage concentrates on utility infrastructure, trees, and lightweight structures.