Heat Wave Risk in Mississippi

All Mississippi counties ranked by FEMA National Risk Index heat wave score

Heat Wave risk — prolonged periods of extreme heat that threaten health and infrastructure — is rated for 82 of 82 Mississippi counties in FEMA's National Risk Index. Hinds County carries the state's highest heat wave score at 97.1, with $7M in expected annual heat wave losses.

1 Mississippi county is rated High or Very High for heat wave, and expected annual losses from heat wave total roughly $87M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Heat Wave

#CountyHeat Wave ScoreRatingAnn. Freq.Ann. Loss
1 Hinds County
97.1
High 15.63 / yr $7M
2 DeSoto County
96.1
Medium 21.63 / yr $8M
3 Harrison County
94.8
Medium 13.72 / yr $5M
4 Rankin County
92.8
Medium 15.00 / yr $4M
5 Jackson County
91.8
Medium 13.53 / yr $3M
6 Lauderdale County
90.6
Medium 10.84 / yr $2M
7 Washington County
89.4
Medium 18.74 / yr $2M
8 Panola County
89.2
Medium 21.58 / yr $2M
9 Lee County
88.9
Medium 16.21 / yr $2M
10 Madison County
88.7
Medium 15.16 / yr $3M
11 Warren County
87.8
Medium 18.84 / yr $2M
12 Lowndes County
87.3
Medium 11.68 / yr $2M
13 Adams County
84.8
Medium 16.37 / yr $1M
14 Jones County
84.5
Medium 11.47 / yr $1M
15 Bolivar County
84.0
Medium 18.26 / yr $1M
16 Forrest County
83.9
Medium 12.05 / yr $2M
17 Pearl River County
83.0
Medium 13.29 / yr $1M
18 Pike County
82.3
Medium 12.37 / yr $1M
19 Monroe County
82.0
Medium 16.74 / yr $1M
20 Marshall County
81.9
Medium 17.26 / yr $1M
21 Lincoln County
81.6
Medium 14.53 / yr $1M
22 Copiah County
81.3
Medium 15.21 / yr $1M
23 Oktibbeha County
81.2
Medium 11.58 / yr $1M
24 Lamar County
80.7
Medium 12.11 / yr $1M
25 Lafayette County
80.7
Medium 17.84 / yr $2M
26 Leflore County
79.5
Medium 17.42 / yr $919K
27 Coahoma County
78.3
Low 23.37 / yr $908K
28 Hancock County
78.1
Low 13.90 / yr $1M
29 Sunflower County
78.1
Low 17.84 / yr $864K
30 Yazoo County
77.7
Low 17.00 / yr $859K
31 Tate County
76.3
Low 20.89 / yr $1M
32 Pontotoc County
75.9
Low 16.47 / yr $951K
33 Alcorn County
74.9
Low 14.63 / yr $877K
34 Scott County
73.0
Low 11.74 / yr $654K
35 Union County
72.1
Low 15.89 / yr $765K
36 Simpson County
71.4
Low 13.89 / yr $724K
37 Itawamba County
70.8
Low 15.95 / yr $702K
38 Jefferson County
70.5
Low 16.47 / yr $587K
39 Holmes County
69.8
Low 16.53 / yr $505K
40 Covington County
69.7
Low 12.26 / yr $553K
41 Neshoba County
69.6
Low 11.21 / yr $665K
42 Prentiss County
69.6
Low 14.84 / yr $636K
43 Grenada County
68.7
Low 14.68 / yr $558K
44 Tallahatchie County
68.3
Low 22.26 / yr $533K
45 Leake County
67.8
Low 11.74 / yr $482K
46 Tishomingo County
67.3
Low 14.26 / yr $587K
47 Marion County
67.1
Low 12.63 / yr $587K
48 Calhoun County
66.8
Low 17.32 / yr $564K
49 Chickasaw County
66.5
Low 16.84 / yr $539K
50 Tippah County
66.1
Low 15.05 / yr $560K
51 Newton County
65.0
Low 10.63 / yr $458K
52 Winston County
63.6
Low 11.63 / yr $421K
53 Noxubee County
63.0
Low 11.53 / yr $383K
54 Clay County
62.1
Low 11.58 / yr $420K
55 Amite County
61.3
Low 12.58 / yr $353K
56 Tunica County
61.2
Low 22.53 / yr $400K
57 Claiborne County
60.9
Low 16.79 / yr $393K
58 Attala County
60.6
Low 12.89 / yr $429K
59 Jasper County
59.1
Low 10.42 / yr $344K
60 Yalobusha County
57.8
Low 19.37 / yr $405K
61 Jefferson Davis County
56.2
Low 12.79 / yr $289K
62 Smith County
56.0
Low 11.63 / yr $321K
63 Franklin County
55.7
Low 15.32 / yr $313K
64 Wayne County
55.6
Low 8.42 / yr $337K
65 Quitman County
54.1
Low 22.42 / yr $265K
66 Humphreys County
54.0
Low 18.32 / yr $268K
67 Clarke County
53.6
Low 10.21 / yr $348K
68 Lawrence County
53.1
Low 13.84 / yr $333K
69 Wilkinson County
52.9
Low 12.84 / yr $246K
70 Stone County
52.1
Low 9.74 / yr $305K
71 Walthall County
51.8
Low 12.37 / yr $334K
72 Carroll County
51.6
Low 15.16 / yr $273K
73 Kemper County
50.7
Low 10.84 / yr $261K
74 George County
50.4
Low 9.75 / yr $420K
75 Benton County
49.1
Low 16.16 / yr $220K
76 Greene County
48.2
Low 9.22 / yr $244K
77 Webster County
46.2
Low 12.05 / yr $222K
78 Montgomery County
45.3
Low 13.47 / yr $237K
79 Choctaw County
41.8
Low 11.89 / yr $185K
80 Perry County
39.8
Low 9.26 / yr $186K
81 Sharkey County
39.4
Low 19.00 / yr $138K
82 Issaquena County
21.8
Very Low 19.21 / yr $50K

82 Mississippi counties with measurable heat wave risk. See the national heat wave ranking or all Mississippi counties by overall risk.

Frequently Asked Questions

Which Mississippi county has the highest heat wave risk?

Hinds County has the highest FEMA heat wave risk score in Mississippi at 97.1 (High), with $7M in expected annual losses and about 15.63 events per year.

How many Mississippi counties face significant heat wave risk?

82 Mississippi counties record measurable heat wave risk in FEMA's National Risk Index; 1 of them are rated High or Very High.

Other Hazards in Mississippi