Natural Hazard Risk in Montana
The risk score (0–100) combines expected annual loss from 18 natural hazards with social vulnerability and community resilience. Higher = greater relative risk. Scores compare counties across the United States.
See what's happening right now on the live map →| County | Risk score | Rating | Expected annual loss | Population |
|---|---|---|---|---|
| Flathead | 86.5 | Relatively Moderate | $75.4M | 104,238 |
| Yellowstone | 83.6 | Relatively Moderate | $60.1M | 164,624 |
| Cascade | 83.1 | Relatively Moderate | $55.3M | 84,327 |
| Gallatin | 81 | Relatively Moderate | $65.8M | 118,825 |
| Ravalli | 78.5 | Relatively Low | $37M | 44,109 |
| Missoula | 77 | Relatively Low | $56.7M | 117,719 |
| Lewis and Clark | 71.2 | Relatively Low | $34.8M | 70,922 |
| Lake | 67.7 | Relatively Low | $23M | 31,051 |
| Park | 66.3 | Relatively Low | $27.8M | 17,153 |
| Lincoln | 64.3 | Relatively Low | $15.6M | 19,614 |
| Dawson | 63.8 | Relatively Low | $21.4M | 8,924 |
| Carbon | 59.8 | Relatively Low | $16.3M | 10,455 |
| Big Horn | 57.2 | Relatively Low | $11.2M | 13,034 |
| Roosevelt | 54.5 | Relatively Low | $10.1M | 10,754 |
| Richland | 52.7 | Relatively Low | $23.3M | 11,489 |
| Glacier | 51.5 | Relatively Low | $9.8M | 13,712 |
| Hill | 50.4 | Relatively Low | $13.2M | 16,298 |
| Rosebud | 49.7 | Relatively Low | $8.7M | 8,302 |
| Sanders | 47.4 | Relatively Low | $9M | 12,399 |
| Blaine | 45.9 | Relatively Low | $8.6M | 7,013 |
| Fergus | 45.1 | Relatively Low | $13.7M | 11,438 |
| Beaverhead | 42.9 | Relatively Low | $9.9M | 9,351 |
| Custer | 42.1 | Very Low | $10.3M | 11,841 |
| Madison | 41 | Very Low | $15.3M | 8,605 |
| Chouteau | 39.5 | Very Low | $9.9M | 5,879 |
| Silver Bow | 38 | Very Low | $14.4M | 35,110 |
| Valley | 35.9 | Very Low | $11.2M | 7,561 |
| Phillips | 34.5 | Very Low | $7.7M | 4,210 |
| Pondera | 24.6 | Very Low | $5.3M | 5,844 |
| Jefferson | 21.6 | Very Low | $8.6M | 12,032 |
| Teton | 19 | Very Low | $8.2M | 6,157 |
| Broadwater | 17.7 | Very Low | $5.9M | 6,753 |
| Deer Lodge | 17.6 | Very Low | $5.9M | 9,414 |
| Musselshell | 17 | Very Low | $4.9M | 4,705 |
| Stillwater | 16.8 | Very Low | $9.2M | 8,936 |
| Sheridan | 15.1 | Very Low | $5M | 3,537 |
| Toole | 13 | Very Low | $4.5M | 4,971 |
| Wibaux | 11.1 | Very Low | $6.7M | 937 |
| Powell | 10 | Very Low | $4.1M | 6,924 |
| Granite | 9.4 | Very Low | $4.2M | 3,291 |
| Sweet Grass | 8.1 | Very Low | $5.9M | 3,674 |
| Mineral | 7.3 | Very Low | $3.2M | 4,516 |
| Liberty | 6.3 | Very Low | $2.8M | 1,955 |
| Judith Basin | 5.5 | Very Low | $3.4M | 2,023 |
| Fallon | 5.4 | Very Low | $4.3M | 3,048 |
| McCone | 5.2 | Very Low | $3.5M | 1,721 |
| Prairie | 4.2 | Very Low | $2.2M | 1,081 |
| Powder River | 4 | Very Low | $3.4M | 1,687 |
| Wheatland | 3.5 | Very Low | $2.1M | 2,067 |
| Meagher | 2.8 | Very Low | $2.2M | 1,926 |
| Garfield | 2.5 | Very Low | $2.6M | 1,171 |
| Daniels | 1.8 | Very Low | $2.5M | 1,661 |
| Carter | 1.7 | Very Low | $2.3M | 1,400 |
| Petroleum | 1.3 | Very Low | $1.6M | 496 |
| Golden Valley | 1 | Very Low | $1.3M | 813 |
| Treasure | 0.5 | Very Low | $1.1M | 754 |
🏛️ Federal disaster declarations (last 2 years)
Fire · Designated areas: Beaverhead (County)
Straight-Line Winds · Designated areas: Crow Indian Reservation
Winter Storm · Designated areas: Fort Peck Indian Reservation
Straight-Line Winds · Designated areas: Rosebud (County), Ravalli (County), Sanders (County), Pondera (County), Carbon (County), Wheatland (County), Judith Basin (County), Blackfeet Indian Reservation, Northern Cheyenne Indian Reservation, Garfield (County), Powell (County), Dawson (County)…
Flood · Designated areas: Lincoln (County)
Flood · Designated areas: Blackfeet Indian Reservation, Sanders (County), Lincoln (County)
Flood · Designated areas: Crow Indian Reservation
Fire · Designated areas: Powell (County)
Severe Storm · Designated areas: Crow Indian Reservation
Major disaster (DR) and emergency (EM) declarations unlock federal assistance for the designated areas. Source: FEMA / OpenFEMA.
Other states
Data: FEMA National Risk Index (updated ~annually). AlertAtlas is not an official warning service — always follow local authorities.