Heat Wave Risk in Arkansas

All Arkansas 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 75 of 75 Arkansas counties in FEMA's National Risk Index. Washington County carries the state's highest heat wave score at 99.4, with $47M in expected annual heat wave losses.

1 Arkansas county is rated High or Very High for heat wave, and expected annual losses from heat wave total roughly $145M 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 Washington County
99.4
High 9.42 / yr $47M
2 Sebastian County
96.4
Medium 24.53 / yr $8M
3 Pulaski County
95.9
Medium 18.68 / yr $6M
4 Craighead County
95.2
Medium 20.05 / yr $5M
5 Benton County
94.7
Medium 9.68 / yr $7M
6 Garland County
93.9
Medium 17.16 / yr $3M
7 Crawford County
93.4
Medium 23.95 / yr $5M
8 Mississippi County
93.2
Medium 20.00 / yr $3M
9 Saline County
92.4
Medium 18.47 / yr $4M
10 Faulkner County
91.7
Medium 17.74 / yr $4M
11 Jefferson County
91.4
Medium 18.95 / yr $2M
12 Greene County
91.0
Medium 18.89 / yr $3M
13 Crittenden County
89.3
Medium 22.58 / yr $2M
14 White County
88.4
Medium 17.68 / yr $2M
15 Miller County
87.2
Medium 19.05 / yr $2M
16 Franklin County
86.4
Medium 23.74 / yr $1M
17 Pope County
86.1
Medium 15.99 / yr $2M
18 St. Francis County
85.4
Medium 22.84 / yr $1M
19 Bradley County
85.1
Medium 19.89 / yr $1M
20 Lonoke County
85.0
Medium 18.47 / yr $2M
21 Union County
84.4
Medium 19.32 / yr $1M
22 Randolph County
82.9
Medium 18.11 / yr $1M
23 Clay County
82.8
Medium 18.68 / yr $1M
24 Johnson County
79.3
Medium 15.61 / yr $1M
25 Ashley County
78.7
Low 18.95 / yr $929K
26 Columbia County
78.0
Low 18.68 / yr $891K
27 Drew County
77.9
Low 19.95 / yr $864K
28 Hot Spring County
77.6
Low 18.11 / yr $984K
29 Madison County
77.6
Low 9.00 / yr $1M
30 Lawrence County
77.1
Low 18.32 / yr $919K
31 Ouachita County
76.7
Low 19.26 / yr $790K
32 Independence County
76.4
Low 14.05 / yr $1M
33 Poinsett County
76.0
Low 20.42 / yr $951K
34 Baxter County
76.0
Low 9.42 / yr $824K
35 Phillips County
75.2
Low 23.26 / yr $706K
36 Logan County
73.4
Low 16.82 / yr $857K
37 Yell County
72.4
Low 16.80 / yr $736K
38 Sharp County
71.7
Low 12.05 / yr $576K
39 Conway County
71.1
Low 17.21 / yr $679K
40 Cross County
70.4
Low 22.47 / yr $745K
41 Jackson County
70.0
Low 15.32 / yr $587K
42 Hempstead County
70.0
Low 17.84 / yr $626K
43 Carroll County
68.9
Low 9.11 / yr $588K
44 Arkansas County
68.8
Low 19.32 / yr $605K
45 Polk County
68.4
Low 15.33 / yr $574K
46 Clark County
67.8
Low 18.47 / yr $652K
47 Fulton County
66.5
Low 10.11 / yr $443K
48 Sevier County
66.4
Low 18.16 / yr $438K
49 Cleburne County
66.2
Low 12.74 / yr $568K
50 Lincoln County
65.7
Low 19.68 / yr $528K
51 Boone County
64.4
Low 8.15 / yr $671K
52 Desha County
64.0
Low 19.84 / yr $435K
53 Lee County
62.7
Low 23.11 / yr $375K
54 Van Buren County
61.6
Low 11.88 / yr $374K
55 Chicot County
61.4
Low 19.05 / yr $393K
56 Grant County
61.1
Low 18.74 / yr $603K
57 Marion County
61.0
Low 8.26 / yr $388K
58 Izard County
60.7
Low 10.26 / yr $348K
59 Howard County
60.2
Low 17.53 / yr $369K
60 Little River County
57.9
Low 18.37 / yr $354K
61 Perry County
55.6
Low 17.42 / yr $386K
62 Nevada County
55.4
Low 18.21 / yr $276K
63 Stone County
53.7
Low 10.16 / yr $281K
64 Montgomery County
53.4
Low 15.56 / yr $249K
65 Cleveland County
52.2
Low 19.47 / yr $262K
66 Prairie County
51.4
Low 18.63 / yr $277K
67 Pike County
51.1
Low 17.11 / yr $294K
68 Dallas County
50.8
Low 19.21 / yr $259K
69 Lafayette County
49.6
Low 18.68 / yr $237K
70 Scott County
49.3
Low 15.38 / yr $320K
71 Monroe County
48.8
Low 18.79 / yr $233K
72 Woodruff County
46.9
Low 17.37 / yr $203K
73 Newton County
37.1
Very Low 7.82 / yr $117K
74 Searcy County
36.9
Very Low 8.17 / yr $136K
75 Calhoun County
29.2
Very Low 19.58 / yr $162K

75 Arkansas counties with measurable heat wave risk. See the national heat wave ranking or all Arkansas counties by overall risk.

Frequently Asked Questions

Which Arkansas county has the highest heat wave risk?

Washington County has the highest FEMA heat wave risk score in Arkansas at 99.4 (High), with $47M in expected annual losses and about 9.42 events per year.

How many Arkansas counties face significant heat wave risk?

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

Other Hazards in Arkansas