Indiana ice storm risk
Vanderburgh County has the highest ice storm risk in Indiana, scoring 92.5 out of 100 — rated "Relatively High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | Vanderburgh County | 92.5 | Relatively High |
| 2 | Marion County | 85.3 | Relatively High |
| 3 | Warrick County | 78.9 | Relatively Moderate |
| 4 | Lake County | 76.6 | Relatively Moderate |
| 5 | Allen County | 76.5 | Relatively Moderate |
| 6 | Clark County | 75.5 | Relatively Moderate |
| 7 | Hamilton County | 73.4 | Relatively Moderate |
| 8 | Vigo County | 72.8 | Relatively Moderate |
| 9 | Brown County | 71.9 | Relatively Moderate |
| 10 | Spencer County | 71.7 | Relatively Moderate |
| 11 | Floyd County | 69.2 | Relatively Moderate |
| 12 | St. Joseph County | 65.4 | Relatively Moderate |
| 13 | Monroe County | 65 | Relatively Moderate |
| 14 | Dubois County | 64 | Relatively Moderate |
| 15 | Tippecanoe County | 63 | Relatively Moderate |
| 16 | Perry County | 61.8 | Relatively Moderate |
| 17 | Elkhart County | 61.7 | Relatively Moderate |
| 18 | Jefferson County | 60.7 | Relatively Moderate |
| 19 | Harrison County | 60.4 | Relatively Moderate |
| 20 | Daviess County | 60.2 | Relatively Moderate |
| 21 | Bartholomew County | 58.9 | Relatively Low |
| 22 | Madison County | 58.8 | Relatively Low |
| 23 | Hendricks County | 58.4 | Relatively Low |
| 24 | Johnson County | 58 | Relatively Low |
| 25 | Posey County | 57.4 | Relatively Low |
| 26 | Jennings County | 56.2 | Relatively Low |
| 27 | Delaware County | 56 | Relatively Low |
| 28 | Dearborn County | 55.7 | Relatively Low |
| 29 | Wayne County | 55.6 | Relatively Low |
| 30 | Morgan County | 55.4 | Relatively Low |
| 31 | Knox County | 55.2 | Relatively Low |
| 32 | Henry County | 55.1 | Relatively Low |
| 33 | Howard County | 54.8 | Relatively Low |
| 34 | Lawrence County | 52.9 | Relatively Low |
| 35 | Putnam County | 52.3 | Relatively Low |
| 36 | Greene County | 52.1 | Relatively Low |
| 37 | Hancock County | 51.6 | Relatively Low |
| 38 | Shelby County | 51.2 | Relatively Low |
| 39 | Jackson County | 50.1 | Relatively Low |
| 40 | Owen County | 50 | Relatively Low |
| 41 | Ripley County | 48.9 | Relatively Low |
| 42 | Boone County | 48.7 | Relatively Low |
| 43 | Gibson County | 48.2 | Relatively Low |
| 44 | Porter County | 47.5 | Relatively Low |
| 45 | Montgomery County | 46.7 | Relatively Low |
| 46 | LaPorte County | 46.5 | Relatively Low |
| 47 | Orange County | 46.4 | Relatively Low |
| 48 | Clay County | 44.8 | Relatively Low |
| 49 | Jay County | 44.8 | Relatively Low |
| 50 | LaGrange County | 44.8 | Relatively Low |
| 51 | Franklin County | 44.2 | Relatively Low |
| 52 | Grant County | 43.4 | Relatively Low |
| 53 | Decatur County | 43.1 | Relatively Low |
| 54 | Crawford County | 42.9 | Relatively Low |
| 55 | DeKalb County | 41.7 | Relatively Low |
| 56 | Kosciusko County | 41.4 | Relatively Low |
| 57 | Fayette County | 40.4 | Relatively Low |
| 58 | Pulaski County | 40 | Relatively Low |
| 59 | Steuben County | 39 | Relatively Low |
| 60 | Rush County | 38.8 | Relatively Low |
| 61 | Noble County | 38.5 | Relatively Low |
| 62 | Washington County | 38.1 | Relatively Low |
| 63 | Sullivan County | 37 | Relatively Low |
| 64 | Vermillion County | 36.8 | Relatively Low |
| 65 | Clinton County | 36.4 | Relatively Low |
| 66 | Scott County | 34.3 | Relatively Low |
| 67 | Parke County | 33.2 | Relatively Low |
| 68 | Adams County | 32.2 | Relatively Low |
| 69 | Switzerland County | 32.1 | Relatively Low |
| 70 | Pike County | 31.1 | Relatively Low |
| 71 | Martin County | 28.2 | Relatively Low |
| 72 | Cass County | 27.8 | Relatively Low |
| 73 | Marshall County | 27.5 | Relatively Low |
| 74 | Whitley County | 27 | Very Low |
| 75 | Miami County | 25.7 | Very Low |
| 76 | Randolph County | 25.2 | Very Low |
| 77 | Fountain County | 24 | Very Low |
| 78 | Huntington County | 22.8 | Very Low |
| 79 | Wabash County | 22.2 | Very Low |
| 80 | Jasper County | 20.8 | Very Low |
| 81 | Tipton County | 20.3 | Very Low |
| 82 | Wells County | 19.7 | Very Low |
| 83 | Carroll County | 18.6 | Very Low |
| 84 | Ohio County | 18.5 | Very Low |
| 85 | Starke County | 17.8 | Very Low |
| 86 | White County | 16.3 | Very Low |
| 87 | Warren County | 15.7 | Very Low |
| 88 | Fulton County | 15 | Very Low |
| 89 | Union County | 14.1 | Very Low |
| 90 | Blackford County | 13.5 | Very Low |
| 91 | Newton County | 12.3 | Very Low |
| 92 | Benton County | 10.5 | 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.
Ice Storm risk nationally:
Other hazard risks in Indiana:
Frequently asked questions
What is the highest ice storm risk county in Indiana?
Vanderburgh County, IN has the highest ice storm risk in Indiana, with a FEMA National Risk Index score of 92.5 out of 100 (rated "Relatively High").
What causes ice storm risk in Indiana?
Ice storm risk covers damaging freezing rain and sleet accumulation, which collapses power lines, trees, and structures. The highest-risk counties cluster in a band from eastern Texas and Arkansas through the Carolinas and New England, where warm Gulf moisture overruns cold arctic air most frequently. Ice storms cause catastrophic and long-lasting power outages. Ice storm and sleet events are reported at forecast-zone level in NOAA Storm Events and are not included in county-level counts.