Drought Risk in Tennessee

All Tennessee counties ranked by FEMA National Risk Index drought score

Drought risk — extended dry periods that stress water supplies and agriculture — is rated for 93 of 95 Tennessee counties in FEMA's National Risk Index. Warren County carries the state's highest drought score at 83.1, with $882K in expected annual drought losses.

No Tennessee county reaches the High band for drought, and expected annual losses from drought total roughly $12M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Drought

#CountyDrought ScoreRatingAnn. Freq.Ann. Loss
1 Warren County
83.1
Medium 19.18 / yr $882K
2 Dyer County
81.7
Medium 12.54 / yr $786K
3 Obion County
81.5
Medium 12.30 / yr $790K
4 Gibson County
73.3
Medium 7.57 / yr $520K
5 Lake County
73.3
Medium 13.39 / yr $396K
6 Loudon County
72.1
Medium 20.04 / yr $482K
7 Lincoln County
70.5
Medium 28.21 / yr $419K
8 Coffee County
69.7
Medium 21.90 / yr $501K
9 Franklin County
68.3
Medium 27.42 / yr $472K
10 Weakley County
66.2
Medium 9.17 / yr $437K
11 Henry County
65.7
Medium 7.95 / yr $287K
12 Haywood County
65.6
Medium 8.52 / yr $268K
13 Lauderdale County
64.8
Medium 9.67 / yr $262K
14 Macon County
62.8
Low 3.88 / yr $261K
15 Crockett County
60.7
Low 6.54 / yr $214K
16 Greene County
59.8
Low 18.81 / yr $203K
17 Robertson County
59.5
Low 4.94 / yr $306K
18 Cumberland County
59.2
Low 24.72 / yr $190K
19 Fayette County
58.0
Low 9.57 / yr $209K
20 Tipton County
57.6
Low 7.32 / yr $186K
21 Bedford County
57.5
Low 25.96 / yr $217K
22 Monroe County
55.6
Low 25.77 / yr $154K
23 Madison County
55.2
Low 8.23 / yr $166K
24 Carroll County
55.2
Low 8.91 / yr $164K
25 Bledsoe County
54.7
Low 28.44 / yr $148K
26 Bradley County
52.6
Low 26.36 / yr $195K
27 DeKalb County
52.5
Low 16.26 / yr $152K
28 Marion County
52.3
Low 29.65 / yr $140K
29 Grundy County
52.1
Low 21.45 / yr $97K
30 Cocke County
51.9
Low 21.41 / yr $108K
31 McMinn County
51.7
Low 21.98 / yr $139K
32 Hardeman County
51.4
Low 9.88 / yr $101K
33 Cannon County
50.1
Low 17.68 / yr $132K
34 Hardin County
49.6
Low 14.07 / yr $95K
35 Washington County
48.2
Low 16.73 / yr $131K
36 Johnson County
47.8
Low 21.63 / yr $79K
37 Rutherford County
45.9
Low 16.43 / yr $134K
38 Montgomery County
43.1
Low 4.52 / yr $102K
39 Polk County
42.8
Low 31.05 / yr $58K
40 Grainger County
42.6
Low 16.23 / yr $64K
41 Overton County
42.3
Low 10.29 / yr $78K
42 Smith County
42.0
Low 11.14 / yr $112K
43 Sumner County
41.6
Low 4.63 / yr $97K
44 McNairy County
41.2
Low 12.60 / yr $65K
45 Henderson County
40.5
Low 7.73 / yr $58K
46 Meigs County
39.7
Low 23.22 / yr $47K
47 Rhea County
39.6
Low 25.32 / yr $54K
48 White County
39.6
Low 17.00 / yr $52K
49 Knox County
39.4
Low 16.46 / yr $71K
50 Chester County
38.9
Low 10.19 / yr $54K
51 Shelby County
37.0
Low 9.33 / yr $39K
52 Hamilton County
36.6
Low 25.96 / yr $50K
53 Hickman County
36.0
Low 11.40 / yr $39K
54 Williamson County
35.8
Low 9.57 / yr $77K
55 Stewart County
34.8
Low 7.02 / yr $28K
56 Hawkins County
34.2
Low 14.32 / yr $28K
57 Blount County
34.1
Low 21.88 / yr $42K
58 Giles County
33.7
Low 24.83 / yr $29K
59 Jefferson County
33.0
Low 18.48 / yr $30K
60 Cheatham County
32.6
Low 5.45 / yr $39K
61 Carter County
32.5
Low 20.37 / yr $23K
62 Hamblen County
31.4
Low 16.93 / yr $24K
63 Fentress County
31.3
Low 10.67 / yr $19K
64 Wilson County
31.2
Low 10.24 / yr $41K
65 Lawrence County
31.1
Low 15.66 / yr $22K
66 Benton County
31.1
Low 8.55 / yr $23K
67 Houston County
30.9
Very Low 7.64 / yr $26K
68 Dickson County
30.8
Very Low 7.61 / yr $29K
69 Humphreys County
30.3
Very Low 9.20 / yr $22K
70 Putnam County
30.2
Very Low 15.80 / yr $25K
71 Sequatchie County
30.2
Very Low 23.60 / yr $23K
72 Claiborne County
29.3
Very Low 12.86 / yr $17K
73 Decatur County
29.3
Very Low 9.09 / yr $16K
74 Sevier County
28.9
Very Low 23.44 / yr $18K
75 Sullivan County
28.7
Very Low 13.71 / yr $20K
76 Maury County
28.5
Very Low 13.77 / yr $23K
77 Perry County
28.4
Very Low 10.22 / yr $13K
78 Marshall County
28.2
Very Low 26.17 / yr $26K
79 Wayne County
27.4
Very Low 16.04 / yr $12K
80 Roane County
27.1
Very Low 20.41 / yr $13K
81 Moore County
27.0
Very Low 26.95 / yr $14K
82 Hancock County
26.7
Very Low 16.21 / yr $9K
83 Van Buren County
26.7
Very Low 20.99 / yr $18K
84 Davidson County
26.6
Very Low 5.07 / yr $16K
85 Clay County
26.3
Very Low 4.58 / yr $12K
86 Jackson County
25.2
Very Low 10.41 / yr $8K
87 Morgan County
24.8
Very Low 18.73 / yr $11K
88 Anderson County
23.6
Very Low 17.54 / yr $9K
89 Campbell County
21.8
Very Low 13.20 / yr $4K
90 Lewis County
21.2
Very Low 13.82 / yr $5K
91 Trousdale County
20.5
Very Low 5.42 / yr $6K
92 Scott County
20.1
Very Low 13.30 / yr $3K
93 Pickett County
18.9
Very Low 7.46 / yr $2K

93 Tennessee counties with measurable drought risk. See the national drought ranking or all Tennessee counties by overall risk.

Frequently Asked Questions

Which Tennessee county has the highest drought risk?

Warren County has the highest FEMA drought risk score in Tennessee at 83.1 (Medium), with $882K in expected annual losses and about 19.18 events per year.

How many Tennessee counties face significant drought risk?

93 Tennessee counties record measurable drought risk in FEMA's National Risk Index; 0 of them are rated High or Very High.

Other Hazards in Tennessee

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