Montana MT
56 counties ranked by FEMA National Risk Index score. Click any column header to re-sort. Scores are 0–100 percentiles relative to all US counties — blank means Not Applicable or Insufficient Data.
| County | Overall | Wildfire | Inland flood | Coastal flood | Earthquake | Heat wave | Tornado | Hurricane | Hail | Strong wind | Winter wx | Ice storm | Cold wave | Lightning | Drought | Landslide | Avalanche | Tsunami | Volcanic |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flathead County | 86.5 | 95.5 | 79.8 | — | 95.8 | 57.2 | 4.6 | — | 21.9 | 14.7 | 94 | 69.5 | 95.1 | 58.9 | 24.5 | 97.3 | 98.5 | — | — |
| Yellowstone County | 83.6 | 93.4 | 84.5 | — | 74.7 | 72.3 | 28.9 | — | 81.5 | 60.2 | 99.1 | 34.2 | 97.1 | 88.2 | 35.6 | 71.4 | 2 | — | — |
| Cascade County | 83.1 | 84.2 | 83.4 | — | 71.8 | 45.8 | 20.8 | — | 53.4 | 60.9 | 99.3 | 23.9 | 98 | 72.9 | 33.4 | 71.9 | 80.3 | — | — |
| Gallatin County | 81 | 91.4 | 64.2 | — | 94.1 | 28.8 | 16.7 | — | 84.5 | 39.2 | 99.6 | 24.1 | 93.6 | 92.7 | 37.4 | 96.6 | 96.6 | — | 20.5 |
| Ravalli County | 78.5 | 98.9 | 52 | — | 69.3 | 47.1 | 9.1 | — | 28.8 | 12.8 | 87.4 | 76.8 | 87.6 | 65.4 | 19.5 | 93.6 | 87 | — | — |
| Missoula County | 77 | 95.8 | 68.6 | — | 91.3 | 53.5 | 10.1 | — | 13.3 | 21.1 | 80.6 | 89.9 | 93.1 | 64 | 16 | 95.1 | 91.5 | — | — |
| Lewis and Clark County | 71.2 | 92.8 | 64.6 | — | 86.8 | 35.4 | 8.9 | — | 10.2 | 21.2 | 98.1 | 15.7 | 94.6 | 66.3 | 22.8 | 95.2 | 79.8 | — | — |
| Lake County | 67.7 | 92.7 | 57.2 | — | 92.3 | 38.7 | 3.3 | — | 11.2 | 11.5 | 94.4 | 72.7 | 85.8 | 37.2 | 24 | 90.8 | 91.4 | — | — |
| Park County | 66.3 | 93.5 | 55.6 | — | 76.4 | 17.7 | 8.3 | — | 43.5 | 9.5 | 82.3 | 11.2 | 69.8 | 60.1 | 23.6 | 96.7 | 99.6 | — | 20.2 |
| Lincoln County | 64.3 | 96.6 | 65.5 | — | 63.5 | 37.1 | 6 | — | 4.1 | 10 | 87 | 41.6 | 72.8 | 28.6 | 15.2 | 92 | 94.3 | — | — |
| Dawson County | 63.8 | 59.6 | 28.1 | — | 15 | 62.5 | 25.1 | — | 46.6 | 51.1 | 85 | 11.8 | 97.5 | 74.8 | 33.3 | 33.3 | — | — | — |
| Carbon County | 59.8 | 93.3 | 72.3 | — | 53.6 | 20.9 | 17.1 | — | 46.1 | 11.1 | 67.7 | 10.4 | 62.8 | 76.8 | 37.4 | 98.8 | 68.7 | — | 26.1 |
| Big Horn County | 57.2 | 94.8 | 55.1 | — | 39.6 | 34.9 | 12.1 | — | 51.8 | 95.9 | 88.5 | 12.5 | 76.9 | 83.2 | 38.5 | 73.8 | 36.3 | — | 9.4 |
| Roosevelt County | 54.5 | 72.8 | 26.6 | — | 15.8 | 48.1 | 32.1 | — | 57.6 | 83 | 90.8 | 40.2 | 95 | 24.6 | 41.2 | 23.4 | — | — | — |
| Richland County | 52.7 | 55 | 25.1 | — | 8.4 | 46.1 | 27 | — | 45.6 | 26 | 82.9 | 43.6 | 95.5 | 37.8 | 32.6 | 22.7 | — | — | — |
| Glacier County | 51.5 | 85.3 | 45.5 | — | 60.8 | 16.7 | 3.7 | — | 8.7 | 14.2 | 90.7 | 10.7 | 91.7 | 52.4 | 36.8 | 63.8 | 83.6 | — | — |
| Hill County | 50.4 | 62.8 | 43.4 | — | 20.5 | 24.7 | 8.3 | — | 24.1 | 12.4 | 89.2 | 12.9 | 93.7 | 61.5 | 44.6 | 38.7 | 4.5 | — | — |
| Rosebud County | 49.7 | 95 | 56.5 | — | 29.7 | 31.8 | 10.1 | — | 44 | 17.6 | 84.8 | 10.3 | 78.5 | 54.5 | 33.6 | 67.1 | 2.3 | — | — |
| Sanders County | 47.4 | 91.2 | 61.9 | — | 67.9 | 31.1 | 4.7 | — | 4.5 | 7.3 | 88.1 | 78.8 | 66.5 | 18.5 | 20 | 96.8 | 67.1 | — | — |
| Blaine County | 45.9 | 69.8 | 46.5 | — | 13.4 | 20.6 | 6.7 | — | 28.2 | 9.4 | 81.3 | 8.5 | 90 | 80.1 | 35.7 | 44.7 | 10.7 | — | — |
| Fergus County | 45.1 | 80.4 | 36.5 | — | 25.9 | 20.3 | 15.7 | — | 27.3 | 8.6 | 91.8 | 11.4 | 91.8 | 69 | 31.8 | 71.2 | 25 | — | — |
| Beaverhead County | 42.9 | 84.3 | 36.3 | — | 85.7 | 5 | 6.8 | — | 12.5 | 6.8 | 86.1 | 9.9 | 70 | 64 | 39.1 | 92.7 | 93.6 | — | 11.7 |
| Custer County | 42.1 | 85.4 | 38.3 | — | 31.4 | 38.3 | 16.2 | — | 47.6 | 60.6 | 86 | 10 | 87 | 76.8 | 26.9 | 59 | — | — | — |
| Madison County | 41 | 87.3 | 29.8 | — | 79.9 | 5.7 | 4.1 | — | 24.4 | 5.2 | 57.4 | 7.5 | 53.9 | 35.9 | 29.8 | 95.8 | 97.4 | — | 14 |
| Chouteau County | 39.5 | 72.6 | 50.4 | — | 27.1 | 16.4 | 11.9 | — | 8.9 | 9.9 | 70.4 | 10.4 | 81.3 | 43.9 | 49.5 | 46.9 | 82.5 | — | — |
| Silver Bow County | 38 | 80.7 | 21.7 | — | 87.4 | 13.9 | 9.8 | — | 27.2 | 10 | 92.4 | 13.5 | 81.9 | 61.9 | 14.5 | 90.4 | 43 | — | — |
| Valley County | 35.9 | 49.5 | 34.2 | — | 23 | 25.3 | 14.6 | — | 88.1 | 17.2 | 61.5 | 8.4 | 85.7 | 15.6 | 37.6 | 42 | — | — | — |
| Phillips County | 34.5 | 67.7 | 39.8 | — | 15.1 | 20.6 | 7.8 | — | 26.6 | 8.7 | 68.5 | 7.4 | 85.9 | 64.5 | 27.9 | 43.7 | 3.9 | — | — |
| Pondera County | 24.6 | 70.3 | 29.3 | — | 51.3 | 13.3 | 4.5 | — | 13.5 | 15.3 | 65.7 | 4.7 | 81.3 | 16.5 | 44.3 | 18.9 | 27.5 | — | — |
| Jefferson County | 21.6 | 89.1 | 29.4 | — | 64.8 | 10.1 | 5.7 | — | 19.6 | 7.1 | 78.3 | 7 | 62.7 | 59 | 19.8 | 95.9 | 16.8 | — | — |
| Teton County | 19 | 73.5 | 32.2 | — | 53.7 | 9.2 | 5 | — | 8.8 | 9.2 | 68.7 | 3 | 68.7 | 7.8 | 37.2 | 52.9 | 80.7 | — | — |
| Broadwater County | 17.7 | 72.9 | 19.1 | — | 74.9 | 8.9 | 5.1 | — | 17.8 | 4.2 | 67.4 | 5.2 | 54.3 | 73.4 | 30.4 | 89.2 | 85.4 | — | — |
| Deer Lodge County | 17.6 | 73.6 | 10.5 | — | 50 | 7.4 | 5.5 | — | 10.6 | 5.6 | 77.2 | 14.2 | 62 | 41.3 | 15.3 | 80.8 | 93.9 | — | — |
| Musselshell County | 17 | 91.9 | 15.5 | — | 20.7 | 17.6 | 8.1 | — | 35.7 | 9.6 | 63.7 | 5.7 | 65.5 | 73.9 | 24.9 | 63.7 | — | — | — |
| Stillwater County | 16.8 | 87.1 | 36.2 | — | 33.7 | 14.2 | 6.6 | — | 28.7 | 5.8 | 51.5 | 5.4 | 43.4 | 39.8 | 25.4 | 56.9 | 61.3 | — | 8.1 |
| Sheridan County | 15.1 | 51.2 | 13.3 | — | 6.5 | 16.9 | 16.1 | — | 22.2 | 18.5 | 77 | 46.7 | 79.5 | 8.8 | 37.1 | 17.5 | — | — | — |
| Toole County | 13 | 47.9 | 17.8 | — | 29.9 | 11.4 | 3.8 | — | 3.5 | 12.7 | 42 | 6.4 | 76.6 | 9.7 | 39.8 | 24.6 | 7 | — | — |
| Wibaux County | 11.1 | 41.9 | 3.7 | — | 2 | 11.7 | 8.7 | — | 20 | 5.9 | 36.9 | 22.4 | 82.3 | 3.7 | 18.9 | 8.1 | — | — | — |
| Powell County | 10 | 86.4 | 15.8 | — | 59.5 | 5.9 | 2.2 | — | 10.5 | 5.3 | 74.7 | 12.9 | 57.4 | 14.8 | 21.8 | 91.7 | 64.2 | — | — |
| Granite County | 9.4 | 88.6 | 11.1 | — | 37.7 | 4.2 | 2.7 | — | 6.5 | 3.2 | 48.8 | 29.1 | 34.4 | 8.2 | 17 | 91.9 | 86.3 | — | — |
| Sweet Grass County | 8.1 | 88.1 | 19.7 | — | 34.9 | 6.6 | 3.8 | — | 21.4 | 3.3 | 32.1 | 4 | 29.8 | 18.3 | 18.2 | 56.3 | 60.7 | — | 0 |
| Mineral County | 7.3 | 85.6 | 16 | — | 29.1 | 15.5 | 1.3 | — | 1.3 | 2.9 | 53.5 | 38.5 | 26.8 | 5.8 | 13.3 | 91.3 | 82.2 | — | — |
| Liberty County | 6.3 | 17.1 | 11.9 | — | 15.4 | 8.7 | 3.5 | — | 12.3 | 3.7 | 47.3 | 3.7 | 64.7 | 3.8 | 39.9 | 8.6 | 6.1 | — | — |
| Judith Basin County | 5.5 | 63.7 | 12.6 | — | 18.8 | 7.3 | 7.3 | — | 13.2 | 3.1 | 43.1 | 4.1 | 56 | 34 | 28.2 | 35 | 24.7 | — | — |
| Fallon County | 5.4 | 56.5 | 5.5 | — | 7.8 | 13.2 | 10.5 | — | 25.1 | 8.5 | 58.2 | 18.6 | 67.9 | 8.6 | 20.1 | 14.7 | — | — | — |
| McCone County | 5.2 | 48.6 | 5.6 | — | 10 | 18 | 10.8 | — | 57.2 | 22.5 | 26.3 | 3.6 | 62.8 | 5.8 | 28.4 | 21.5 | — | — | — |
| Prairie County | 4.2 | 61 | 5.8 | — | 5.3 | 18.6 | 8.7 | — | 16.2 | 8.9 | 24.6 | 2.3 | 64.2 | 8 | 23.1 | 18.6 | — | — | — |
| Powder River County | 4 | 88 | 7.8 | — | 18 | 9.7 | 7.3 | — | 26 | 2.5 | 42.7 | 2.6 | 32.3 | 4.3 | 17.3 | 44.4 | 1 | — | — |
| Wheatland County | 3.5 | 51 | 12.2 | — | 24.3 | 6.9 | 5.8 | — | 23.3 | 2.9 | 29.2 | 3.3 | 37.5 | 44.2 | 24.7 | 21.1 | 15.8 | — | — |
| Meagher County | 2.8 | 68.4 | 9.7 | — | 30.6 | 3.9 | 5.2 | — | 13.4 | 3.6 | 45.6 | 2.7 | 37 | 19.8 | 20.8 | 91.4 | 23.2 | — | — |
| Garfield County | 2.5 | 78.3 | 5.4 | — | 6.4 | 10.6 | 4.2 | — | 22.9 | 16 | 19.9 | 2.2 | 44.1 | 35.8 | 21.7 | 38.7 | 1.3 | — | — |
| Daniels County | 1.8 | 37.8 | 3 | — | 3.3 | 8.1 | 7.9 | — | 14.1 | 5.1 | 35.6 | 3.6 | 54.2 | 2.4 | 28.7 | 8 | — | — | — |
| Carter County | 1.7 | 73.8 | 4.1 | — | 12.3 | 7.8 | 7.6 | — | 22.6 | 4.5 | 44.7 | 5.9 | 39.3 | 2.7 | 19.1 | 28 | 0.4 | — | — |
| Petroleum County | 1.3 | 66.5 | 2 | — | 1.7 | 5.3 | 2.5 | — | 9.5 | 1.6 | 12.2 | 0.5 | 32.4 | 69.9 | 17.7 | 13.6 | — | — | — |
| Golden Valley County | 1 | 57.4 | 5.6 | — | 11.4 | 4.5 | 3.8 | — | 13.8 | 1.8 | 21.5 | 1.5 | 20.4 | 38.3 | 22.1 | 16.7 | 13.2 | — | — |
| Treasure County | 0.5 | 63.6 | 2.5 | — | 3.3 | 6.1 | 1.9 | — | 7.8 | 2.7 | 12.1 | 0.5 | 18.1 | 4.9 | 26.6 | 15.6 | — | — | — |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are percentile rankings among all US counties — see the methodology page for definitions.