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
| # | County | Heat Wave Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Hinds County | High | 15.63 / yr | $7M | |
| 2 | DeSoto County | Medium | 21.63 / yr | $8M | |
| 3 | Harrison County | Medium | 13.72 / yr | $5M | |
| 4 | Rankin County | Medium | 15.00 / yr | $4M | |
| 5 | Jackson County | Medium | 13.53 / yr | $3M | |
| 6 | Lauderdale County | Medium | 10.84 / yr | $2M | |
| 7 | Washington County | Medium | 18.74 / yr | $2M | |
| 8 | Panola County | Medium | 21.58 / yr | $2M | |
| 9 | Lee County | Medium | 16.21 / yr | $2M | |
| 10 | Madison County | Medium | 15.16 / yr | $3M | |
| 11 | Warren County | Medium | 18.84 / yr | $2M | |
| 12 | Lowndes County | Medium | 11.68 / yr | $2M | |
| 13 | Adams County | Medium | 16.37 / yr | $1M | |
| 14 | Jones County | Medium | 11.47 / yr | $1M | |
| 15 | Bolivar County | Medium | 18.26 / yr | $1M | |
| 16 | Forrest County | Medium | 12.05 / yr | $2M | |
| 17 | Pearl River County | Medium | 13.29 / yr | $1M | |
| 18 | Pike County | Medium | 12.37 / yr | $1M | |
| 19 | Monroe County | Medium | 16.74 / yr | $1M | |
| 20 | Marshall County | Medium | 17.26 / yr | $1M | |
| 21 | Lincoln County | Medium | 14.53 / yr | $1M | |
| 22 | Copiah County | Medium | 15.21 / yr | $1M | |
| 23 | Oktibbeha County | Medium | 11.58 / yr | $1M | |
| 24 | Lamar County | Medium | 12.11 / yr | $1M | |
| 25 | Lafayette County | Medium | 17.84 / yr | $2M | |
| 26 | Leflore County | Medium | 17.42 / yr | $919K | |
| 27 | Coahoma County | Low | 23.37 / yr | $908K | |
| 28 | Hancock County | Low | 13.90 / yr | $1M | |
| 29 | Sunflower County | Low | 17.84 / yr | $864K | |
| 30 | Yazoo County | Low | 17.00 / yr | $859K | |
| 31 | Tate County | Low | 20.89 / yr | $1M | |
| 32 | Pontotoc County | Low | 16.47 / yr | $951K | |
| 33 | Alcorn County | Low | 14.63 / yr | $877K | |
| 34 | Scott County | Low | 11.74 / yr | $654K | |
| 35 | Union County | Low | 15.89 / yr | $765K | |
| 36 | Simpson County | Low | 13.89 / yr | $724K | |
| 37 | Itawamba County | Low | 15.95 / yr | $702K | |
| 38 | Jefferson County | Low | 16.47 / yr | $587K | |
| 39 | Holmes County | Low | 16.53 / yr | $505K | |
| 40 | Covington County | Low | 12.26 / yr | $553K | |
| 41 | Neshoba County | Low | 11.21 / yr | $665K | |
| 42 | Prentiss County | Low | 14.84 / yr | $636K | |
| 43 | Grenada County | Low | 14.68 / yr | $558K | |
| 44 | Tallahatchie County | Low | 22.26 / yr | $533K | |
| 45 | Leake County | Low | 11.74 / yr | $482K | |
| 46 | Tishomingo County | Low | 14.26 / yr | $587K | |
| 47 | Marion County | Low | 12.63 / yr | $587K | |
| 48 | Calhoun County | Low | 17.32 / yr | $564K | |
| 49 | Chickasaw County | Low | 16.84 / yr | $539K | |
| 50 | Tippah County | Low | 15.05 / yr | $560K | |
| 51 | Newton County | Low | 10.63 / yr | $458K | |
| 52 | Winston County | Low | 11.63 / yr | $421K | |
| 53 | Noxubee County | Low | 11.53 / yr | $383K | |
| 54 | Clay County | Low | 11.58 / yr | $420K | |
| 55 | Amite County | Low | 12.58 / yr | $353K | |
| 56 | Tunica County | Low | 22.53 / yr | $400K | |
| 57 | Claiborne County | Low | 16.79 / yr | $393K | |
| 58 | Attala County | Low | 12.89 / yr | $429K | |
| 59 | Jasper County | Low | 10.42 / yr | $344K | |
| 60 | Yalobusha County | Low | 19.37 / yr | $405K | |
| 61 | Jefferson Davis County | Low | 12.79 / yr | $289K | |
| 62 | Smith County | Low | 11.63 / yr | $321K | |
| 63 | Franklin County | Low | 15.32 / yr | $313K | |
| 64 | Wayne County | Low | 8.42 / yr | $337K | |
| 65 | Quitman County | Low | 22.42 / yr | $265K | |
| 66 | Humphreys County | Low | 18.32 / yr | $268K | |
| 67 | Clarke County | Low | 10.21 / yr | $348K | |
| 68 | Lawrence County | Low | 13.84 / yr | $333K | |
| 69 | Wilkinson County | Low | 12.84 / yr | $246K | |
| 70 | Stone County | Low | 9.74 / yr | $305K | |
| 71 | Walthall County | Low | 12.37 / yr | $334K | |
| 72 | Carroll County | Low | 15.16 / yr | $273K | |
| 73 | Kemper County | Low | 10.84 / yr | $261K | |
| 74 | George County | Low | 9.75 / yr | $420K | |
| 75 | Benton County | Low | 16.16 / yr | $220K | |
| 76 | Greene County | Low | 9.22 / yr | $244K | |
| 77 | Webster County | Low | 12.05 / yr | $222K | |
| 78 | Montgomery County | Low | 13.47 / yr | $237K | |
| 79 | Choctaw County | Low | 11.89 / yr | $185K | |
| 80 | Perry County | Low | 9.26 / yr | $186K | |
| 81 | Sharkey County | Low | 19.00 / yr | $138K | |
| 82 | Issaquena County | 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.