Hail Risk in Montana
All Montana counties ranked by FEMA National Risk Index hail score
Hail risk — ice stones from severe thunderstorms that damage property and crops — is rated for 56 of 56 Montana counties in FEMA's National Risk Index. Valley County carries the state's highest hail score at 88.1, with $1M in expected annual hail losses.
No Montana county reaches the High band for hail, and expected annual losses from hail total roughly $9M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Hail
| # | County | Hail Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Valley County | Medium | 1.39 / yr | $1M | |
| 2 | Gallatin County | Medium | 0.51 / yr | $2M | |
| 3 | Yellowstone County | Medium | 2.00 / yr | $1M | |
| 4 | Roosevelt County | Low | 1.83 / yr | $195K | |
| 5 | McCone County | Low | 1.92 / yr | $379K | |
| 6 | Cascade County | Low | 1.02 / yr | $336K | |
| 7 | Big Horn County | Low | 1.58 / yr | $164K | |
| 8 | Custer County | Low | 1.78 / yr | $184K | |
| 9 | Dawson County | Low | 2.05 / yr | $208K | |
| 10 | Carbon County | Low | 1.31 / yr | $174K | |
| 11 | Richland County | Low | 2.06 / yr | $297K | |
| 12 | Rosebud County | Low | 1.58 / yr | $114K | |
| 13 | Park County | Low | 0.69 / yr | $223K | |
| 14 | Musselshell County | Low | 2.06 / yr | $112K | |
| 15 | Ravalli County | Very Low | 0.36 / yr | $106K | |
| 16 | Stillwater County | Very Low | 1.61 / yr | $158K | |
| 17 | Blaine County | Very Low | 0.61 / yr | $65K | |
| 18 | Fergus County | Very Low | 1.29 / yr | $102K | |
| 19 | Silver Bow County | Very Low | 0.60 / yr | $127K | |
| 20 | Phillips County | Very Low | 0.92 / yr | $70K | |
| 21 | Powder River County | Very Low | 2.01 / yr | $115K | |
| 22 | Fallon County | Very Low | 2.19 / yr | $126K | |
| 23 | Madison County | Very Low | 0.38 / yr | $106K | |
| 24 | Hill County | Very Low | 0.47 / yr | $71K | |
| 25 | Wheatland County | Very Low | 1.66 / yr | $69K | |
| 26 | Garfield County | Very Low | 1.41 / yr | $96K | |
| 27 | Carter County | Very Low | 2.52 / yr | $109K | |
| 28 | Sheridan County | Very Low | 1.33 / yr | $67K | |
| 29 | Flathead County | Very Low | 0.33 / yr | $96K | |
| 30 | Sweet Grass County | Very Low | 1.32 / yr | $109K | |
| 31 | Wibaux County | Very Low | 2.23 / yr | $93K | |
| 32 | Jefferson County | Very Low | 0.67 / yr | $78K | |
| 33 | Broadwater County | Very Low | 0.76 / yr | $55K | |
| 34 | Prairie County | Very Low | 1.89 / yr | $42K | |
| 35 | Daniels County | Very Low | 1.34 / yr | $61K | |
| 36 | Golden Valley County | Very Low | 2.13 / yr | $42K | |
| 37 | Pondera County | Very Low | 0.69 / yr | $28K | |
| 38 | Meagher County | Very Low | 1.06 / yr | $39K | |
| 39 | Missoula County | Very Low | 0.45 / yr | $67K | |
| 40 | Judith Basin County | Very Low | 1.24 / yr | $46K | |
| 41 | Beaverhead County | Very Low | 0.28 / yr | $30K | |
| 42 | Liberty County | Very Low | 0.62 / yr | $33K | |
| 43 | Lake County | Very Low | 0.39 / yr | $31K | |
| 44 | Deer Lodge County | Very Low | 0.61 / yr | $30K | |
| 45 | Powell County | Very Low | 0.68 / yr | $29K | |
| 46 | Lewis and Clark County | Very Low | 0.77 / yr | $38K | |
| 47 | Petroleum County | Very Low | 1.35 / yr | $31K | |
| 48 | Chouteau County | Very Low | 0.98 / yr | $21K | |
| 49 | Teton County | Very Low | 0.79 / yr | $30K | |
| 50 | Glacier County | Very Low | 0.37 / yr | $15K | |
| 51 | Treasure County | Very Low | 1.59 / yr | $30K | |
| 52 | Granite County | Very Low | 0.60 / yr | $17K | |
| 53 | Sanders County | Very Low | 0.30 / yr | $6K | |
| 54 | Lincoln County | Very Low | 0.18 / yr | $6K | |
| 55 | Toole County | Very Low | 0.56 / yr | $6K | |
| 56 | Mineral County | Very Low | 0.33 / yr | $1K |
56 Montana counties with measurable hail risk. See the national hail ranking or all Montana counties by overall risk.
Frequently Asked Questions
Which Montana county has the highest hail risk?
Valley County has the highest FEMA hail risk score in Montana at 88.1 (Medium), with $1M in expected annual losses and about 1.39 events per year.
How many Montana counties face significant hail risk?
56 Montana counties record measurable hail risk in FEMA's National Risk Index; 0 of them are rated High or Very High.