Heat Wave Risk in Oklahoma
All Oklahoma 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 77 of 77 Oklahoma counties in FEMA's National Risk Index. Tulsa County carries the state's highest heat wave score at 99.6, with $76M in expected annual heat wave losses.
3 Oklahoma counties are rated High or Very High for heat wave, and expected annual losses from heat wave total roughly $241M 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 | Tulsa County | High | 26.26 / yr | $76M | |
| 2 | Oklahoma County | High | 18.16 / yr | $51M | |
| 3 | Cleveland County | High | 18.26 / yr | $12M | |
| 4 | Sequoyah County | Medium | 24.21 / yr | $4M | |
| 5 | Rogers County | Medium | 24.63 / yr | $6M | |
| 6 | Creek County | Medium | 25.16 / yr | $5M | |
| 7 | Muskogee County | Medium | 25.89 / yr | $4M | |
| 8 | Wagoner County | Medium | 25.74 / yr | $5M | |
| 9 | Canadian County | Medium | 16.79 / yr | $6M | |
| 10 | Cherokee County | Medium | 18.32 / yr | $3M | |
| 11 | Pottawatomie County | Medium | 19.16 / yr | $3M | |
| 12 | Le Flore County | Medium | 24.63 / yr | $3M | |
| 13 | Bryan County | Medium | 21.00 / yr | $3M | |
| 14 | Delaware County | Medium | 17.21 / yr | $2M | |
| 15 | Carter County | Medium | 19.84 / yr | $3M | |
| 16 | Washington County | Medium | 24.21 / yr | $3M | |
| 17 | Osage County | Medium | 23.58 / yr | $2M | |
| 18 | Mayes County | Medium | 23.26 / yr | $2M | |
| 19 | Okmulgee County | Medium | 26.16 / yr | $2M | |
| 20 | McIntosh County | Medium | 25.95 / yr | $2M | |
| 21 | Pittsburg County | Medium | 24.84 / yr | $2M | |
| 22 | Seminole County | Medium | 19.74 / yr | $2M | |
| 23 | Logan County | Medium | 19.00 / yr | $2M | |
| 24 | Payne County | Medium | 19.26 / yr | $2M | |
| 25 | Garfield County | Medium | 17.53 / yr | $2M | |
| 26 | Lincoln County | Medium | 19.53 / yr | $2M | |
| 27 | Ottawa County | Medium | 18.79 / yr | $1M | |
| 28 | Adair County | Medium | 13.47 / yr | $1M | |
| 29 | Grady County | Medium | 17.21 / yr | $2M | |
| 30 | Choctaw County | Medium | 23.26 / yr | $1M | |
| 31 | Stephens County | Medium | 19.42 / yr | $2M | |
| 32 | McCurtain County | Medium | 18.37 / yr | $1M | |
| 33 | Kay County | Medium | 17.32 / yr | $1M | |
| 34 | McClain County | Medium | 17.89 / yr | $2M | |
| 35 | Pontotoc County | Medium | 20.47 / yr | $1M | |
| 36 | Comanche County | Low | 14.95 / yr | $1M | |
| 37 | Garvin County | Low | 19.37 / yr | $1M | |
| 38 | Jackson County | Low | 11.32 / yr | $1M | |
| 39 | Woodward County | Low | 6.68 / yr | $1M | |
| 40 | Marshall County | Low | 20.58 / yr | $703K | |
| 41 | Caddo County | Low | 12.26 / yr | $793K | |
| 42 | Okfuskee County | Low | 25.11 / yr | $636K | |
| 43 | Pawnee County | Low | 23.79 / yr | $781K | |
| 44 | Craig County | Low | 22.58 / yr | $697K | |
| 45 | Pushmataha County | Low | 23.42 / yr | $566K | |
| 46 | Johnston County | Low | 20.47 / yr | $587K | |
| 47 | Kiowa County | Low | 11.00 / yr | $588K | |
| 48 | Latimer County | Low | 23.95 / yr | $464K | |
| 49 | Noble County | Low | 17.89 / yr | $518K | |
| 50 | Atoka County | Low | 21.21 / yr | $550K | |
| 51 | Grant County | Low | 16.95 / yr | $588K | |
| 52 | Murray County | Low | 19.32 / yr | $548K | |
| 53 | Nowata County | Low | 23.53 / yr | $452K | |
| 54 | Haskell County | Low | 25.11 / yr | $650K | |
| 55 | Kingfisher County | Low | 17.58 / yr | $601K | |
| 56 | Hughes County | Low | 20.47 / yr | $548K | |
| 57 | Custer County | Low | 7.53 / yr | $517K | |
| 58 | Beckham County | Low | 7.58 / yr | $372K | |
| 59 | Love County | Low | 19.89 / yr | $430K | |
| 60 | Jefferson County | Low | 19.63 / yr | $236K | |
| 61 | Coal County | Low | 20.89 / yr | $203K | |
| 62 | Tillman County | Low | 13.95 / yr | $269K | |
| 63 | Alfalfa County | Low | 12.32 / yr | $267K | |
| 64 | Major County | Low | 12.16 / yr | $292K | |
| 65 | Washita County | Low | 8.42 / yr | $194K | |
| 66 | Woods County | Low | 9.47 / yr | $330K | |
| 67 | Blaine County | Low | 11.47 / yr | $222K | |
| 68 | Greer County | Low | 9.63 / yr | $162K | |
| 69 | Cotton County | Very Low | 15.79 / yr | $155K | |
| 70 | Harper County | Very Low | 5.63 / yr | $95K | |
| 71 | Ellis County | Very Low | 5.47 / yr | $85K | |
| 72 | Dewey County | Very Low | 7.11 / yr | $103K | |
| 73 | Harmon County | Very Low | 9.95 / yr | $70K | |
| 74 | Roger Mills County | Very Low | 6.11 / yr | $54K | |
| 75 | Texas County | Very Low | 1.26 / yr | $53K | |
| 76 | Beaver County | Very Low | 1.37 / yr | $20K | |
| 77 | Cimarron County | Very Low | 0.21 / yr | $2K |
77 Oklahoma counties with measurable heat wave risk. See the national heat wave ranking or all Oklahoma counties by overall risk.
Frequently Asked Questions
Which Oklahoma county has the highest heat wave risk?
Tulsa County has the highest FEMA heat wave risk score in Oklahoma at 99.6 (High), with $76M in expected annual losses and about 26.26 events per year.
How many Oklahoma counties face significant heat wave risk?
77 Oklahoma counties record measurable heat wave risk in FEMA's National Risk Index; 3 of them are rated High or Very High.