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
| # | County | Heat Wave Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Washington County | High | 9.42 / yr | $47M | |
| 2 | Sebastian County | Medium | 24.53 / yr | $8M | |
| 3 | Pulaski County | Medium | 18.68 / yr | $6M | |
| 4 | Craighead County | Medium | 20.05 / yr | $5M | |
| 5 | Benton County | Medium | 9.68 / yr | $7M | |
| 6 | Garland County | Medium | 17.16 / yr | $3M | |
| 7 | Crawford County | Medium | 23.95 / yr | $5M | |
| 8 | Mississippi County | Medium | 20.00 / yr | $3M | |
| 9 | Saline County | Medium | 18.47 / yr | $4M | |
| 10 | Faulkner County | Medium | 17.74 / yr | $4M | |
| 11 | Jefferson County | Medium | 18.95 / yr | $2M | |
| 12 | Greene County | Medium | 18.89 / yr | $3M | |
| 13 | Crittenden County | Medium | 22.58 / yr | $2M | |
| 14 | White County | Medium | 17.68 / yr | $2M | |
| 15 | Miller County | Medium | 19.05 / yr | $2M | |
| 16 | Franklin County | Medium | 23.74 / yr | $1M | |
| 17 | Pope County | Medium | 15.99 / yr | $2M | |
| 18 | St. Francis County | Medium | 22.84 / yr | $1M | |
| 19 | Bradley County | Medium | 19.89 / yr | $1M | |
| 20 | Lonoke County | Medium | 18.47 / yr | $2M | |
| 21 | Union County | Medium | 19.32 / yr | $1M | |
| 22 | Randolph County | Medium | 18.11 / yr | $1M | |
| 23 | Clay County | Medium | 18.68 / yr | $1M | |
| 24 | Johnson County | Medium | 15.61 / yr | $1M | |
| 25 | Ashley County | Low | 18.95 / yr | $929K | |
| 26 | Columbia County | Low | 18.68 / yr | $891K | |
| 27 | Drew County | Low | 19.95 / yr | $864K | |
| 28 | Hot Spring County | Low | 18.11 / yr | $984K | |
| 29 | Madison County | Low | 9.00 / yr | $1M | |
| 30 | Lawrence County | Low | 18.32 / yr | $919K | |
| 31 | Ouachita County | Low | 19.26 / yr | $790K | |
| 32 | Independence County | Low | 14.05 / yr | $1M | |
| 33 | Poinsett County | Low | 20.42 / yr | $951K | |
| 34 | Baxter County | Low | 9.42 / yr | $824K | |
| 35 | Phillips County | Low | 23.26 / yr | $706K | |
| 36 | Logan County | Low | 16.82 / yr | $857K | |
| 37 | Yell County | Low | 16.80 / yr | $736K | |
| 38 | Sharp County | Low | 12.05 / yr | $576K | |
| 39 | Conway County | Low | 17.21 / yr | $679K | |
| 40 | Cross County | Low | 22.47 / yr | $745K | |
| 41 | Jackson County | Low | 15.32 / yr | $587K | |
| 42 | Hempstead County | Low | 17.84 / yr | $626K | |
| 43 | Carroll County | Low | 9.11 / yr | $588K | |
| 44 | Arkansas County | Low | 19.32 / yr | $605K | |
| 45 | Polk County | Low | 15.33 / yr | $574K | |
| 46 | Clark County | Low | 18.47 / yr | $652K | |
| 47 | Fulton County | Low | 10.11 / yr | $443K | |
| 48 | Sevier County | Low | 18.16 / yr | $438K | |
| 49 | Cleburne County | Low | 12.74 / yr | $568K | |
| 50 | Lincoln County | Low | 19.68 / yr | $528K | |
| 51 | Boone County | Low | 8.15 / yr | $671K | |
| 52 | Desha County | Low | 19.84 / yr | $435K | |
| 53 | Lee County | Low | 23.11 / yr | $375K | |
| 54 | Van Buren County | Low | 11.88 / yr | $374K | |
| 55 | Chicot County | Low | 19.05 / yr | $393K | |
| 56 | Grant County | Low | 18.74 / yr | $603K | |
| 57 | Marion County | Low | 8.26 / yr | $388K | |
| 58 | Izard County | Low | 10.26 / yr | $348K | |
| 59 | Howard County | Low | 17.53 / yr | $369K | |
| 60 | Little River County | Low | 18.37 / yr | $354K | |
| 61 | Perry County | Low | 17.42 / yr | $386K | |
| 62 | Nevada County | Low | 18.21 / yr | $276K | |
| 63 | Stone County | Low | 10.16 / yr | $281K | |
| 64 | Montgomery County | Low | 15.56 / yr | $249K | |
| 65 | Cleveland County | Low | 19.47 / yr | $262K | |
| 66 | Prairie County | Low | 18.63 / yr | $277K | |
| 67 | Pike County | Low | 17.11 / yr | $294K | |
| 68 | Dallas County | Low | 19.21 / yr | $259K | |
| 69 | Lafayette County | Low | 18.68 / yr | $237K | |
| 70 | Scott County | Low | 15.38 / yr | $320K | |
| 71 | Monroe County | Low | 18.79 / yr | $233K | |
| 72 | Woodruff County | Low | 17.37 / yr | $203K | |
| 73 | Newton County | Very Low | 7.82 / yr | $117K | |
| 74 | Searcy County | Very Low | 8.17 / yr | $136K | |
| 75 | Calhoun County | 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.