Oklahoma cold wave risk
Cleveland County has the highest cold wave risk in Oklahoma, scoring 97.6 out of 100 — rated "Relatively High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | Cleveland County | 97.6 | Relatively High |
| 2 | Garfield County | 97.4 | Relatively High |
| 3 | Oklahoma County | 97.2 | Relatively High |
| 4 | Payne County | 97 | Relatively High |
| 5 | Tulsa County | 94.3 | Relatively High |
| 6 | Kay County | 93.8 | Relatively High |
| 7 | Logan County | 93.5 | Relatively High |
| 8 | Creek County | 92.2 | Relatively High |
| 9 | Canadian County | 91.1 | Relatively High |
| 10 | Comanche County | 91.1 | Relatively High |
| 11 | Lincoln County | 89.2 | Relatively High |
| 12 | Texas County | 86.6 | Relatively Moderate |
| 13 | Grady County | 86.4 | Relatively Moderate |
| 14 | Pottawatomie County | 85.1 | Relatively Moderate |
| 15 | Woods County | 83.6 | Relatively Moderate |
| 16 | Alfalfa County | 82.9 | Relatively Moderate |
| 17 | Osage County | 81.6 | Relatively Moderate |
| 18 | Rogers County | 81.2 | Relatively Moderate |
| 19 | Kingfisher County | 80.2 | Relatively Moderate |
| 20 | Noble County | 80.1 | Relatively Moderate |
| 21 | Caddo County | 79.3 | Relatively Moderate |
| 22 | Washington County | 79.3 | Relatively Moderate |
| 23 | Pawnee County | 77.6 | Relatively Moderate |
| 24 | Major County | 76.2 | Relatively Moderate |
| 25 | Okmulgee County | 75.9 | Relatively Moderate |
| 26 | Wagoner County | 75.5 | Relatively Moderate |
| 27 | Muskogee County | 75.2 | Relatively Moderate |
| 28 | McClain County | 74.7 | Relatively Moderate |
| 29 | Delaware County | 74.1 | Relatively Moderate |
| 30 | Grant County | 73.4 | Relatively Moderate |
| 31 | Cimarron County | 73.1 | Relatively Moderate |
| 32 | Harper County | 71.2 | Relatively Moderate |
| 33 | Custer County | 70.4 | Relatively Moderate |
| 34 | Bryan County | 70.3 | Relatively Moderate |
| 35 | Stephens County | 70.2 | Relatively Moderate |
| 36 | Mayes County | 69.6 | Relatively Moderate |
| 37 | Craig County | 66.7 | Relatively Moderate |
| 38 | Sequoyah County | 64.8 | Relatively Low |
| 39 | Beckham County | 64.5 | Relatively Low |
| 40 | Nowata County | 64.2 | Relatively Low |
| 41 | Seminole County | 63 | Relatively Low |
| 42 | Pontotoc County | 62.2 | Relatively Low |
| 43 | Ottawa County | 62.1 | Relatively Low |
| 44 | Cherokee County | 61.5 | Relatively Low |
| 45 | Woodward County | 61.4 | Relatively Low |
| 46 | Pittsburg County | 60.2 | Relatively Low |
| 47 | Carter County | 59.6 | Relatively Low |
| 48 | Le Flore County | 56.9 | Relatively Low |
| 49 | McIntosh County | 54.5 | Relatively Low |
| 50 | Garvin County | 53.4 | Relatively Low |
| 51 | Washita County | 53 | Relatively Low |
| 52 | Hughes County | 52.8 | Relatively Low |
| 53 | Ellis County | 52.7 | Relatively Low |
| 54 | Blaine County | 52.3 | Relatively Low |
| 55 | McCurtain County | 50.7 | Relatively Low |
| 56 | Beaver County | 50.4 | Relatively Low |
| 57 | Jackson County | 50.1 | Relatively Low |
| 58 | Kiowa County | 44.1 | Relatively Low |
| 59 | Choctaw County | 43.7 | Relatively Low |
| 60 | Roger Mills County | 40.1 | Relatively Low |
| 61 | Adair County | 39.2 | Relatively Low |
| 62 | Dewey County | 38.3 | Relatively Low |
| 63 | Marshall County | 37.7 | Relatively Low |
| 64 | Okfuskee County | 37.4 | Relatively Low |
| 65 | Murray County | 35.2 | Relatively Low |
| 66 | Atoka County | 34.6 | Relatively Low |
| 67 | Johnston County | 32.1 | Relatively Low |
| 68 | Coal County | 31.7 | Relatively Low |
| 69 | Greer County | 28.1 | Relatively Low |
| 70 | Tillman County | 27.6 | Relatively Low |
| 71 | Jefferson County | 24 | Relatively Low |
| 72 | Pushmataha County | 23.8 | Very Low |
| 73 | Latimer County | 21.6 | Very Low |
| 74 | Harmon County | 21 | Very Low |
| 75 | Love County | 19.1 | Very Low |
| 76 | Haskell County | 18.5 | Very Low |
| 77 | Cotton County | 14.6 | Very Low |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Cold Wave risk nationally:
Other hazard risks in Oklahoma:
Frequently asked questions
What is the highest cold wave risk county in Oklahoma?
Cleveland County, OK has the highest cold wave risk in Oklahoma, with a FEMA National Risk Index score of 97.6 out of 100 (rated "Relatively High").
What causes cold wave risk in Oklahoma?
Cold wave risk captures expected losses from extended periods of extreme cold, including wind chill. The northern Plains, Great Lakes, and interior New England see the most severe and frequent cold events. Cold extremes cause significant excess mortality, especially among unhoused populations, the elderly, and those with inadequate heating or insulation. Cold and wind chill events are reported at forecast-zone level in NOAA Storm Events and are not included in county-level counts.