8,352
Recorded events
56
Counties affected
0
Direct deaths
$99.1M
Property damage
Montana hail history: 8,352 recorded events across 56 counties between 1955 and 2025.
Decade by decade
Montana hail history by decade
The 2000s are the busiest decade on record with 3,069 reported hail events across Montana. Earlier decades are thinner because systematic reporting for this hazard expanded over time, not because the weather was calmer.
County ranking
Counties with the most hail events in Montana
| Rank | County | Events | Deaths | Damage | Span |
|---|---|---|---|---|---|
| #1 | Yellowstone County | 506 | 0 | $14.1M | 1955–2025 |
| #2 | Valley County | 470 | 0 | $14.9M | 1955–2025 |
| #3 | Powder River County | 373 | 0 | $15K | 1957–2025 |
| #4 | Rosebud County | 333 | 0 | $21K | 1958–2025 |
| #5 | Garfield County | 291 | 0 | $183K | 1965–2025 |
| #6 | Carter County | 290 | 0 | $5K | 1960–2025 |
| #7 | Phillips County | 276 | 0 | $218K | 1961–2025 |
| #8 | Cascade County | 253 | 0 | $4K | 1955–2025 |
| #9 | Fergus County | 251 | 0 | $113K | 1956–2025 |
| #10 | Roosevelt County | 247 | 0 | $139K | 1959–2025 |
| #11 | Big Horn County | 247 | 0 | $115K | 1956–2025 |
| #12 | Dawson County | 243 | 0 | $143K | 1958–2025 |
| #13 | Custer County | 239 | 0 | $500 | 1958–2025 |
| #14 | McCone County | 237 | 0 | $419K | 1957–2025 |
| #15 | Musselshell County | 230 | 0 | $0 | 1955–2025 |
| #16 | Richland County | 214 | 0 | $152K | 1956–2025 |
| #17 | Sheridan County | 197 | 0 | $32K | 1957–2025 |
| #18 | Prairie County | 185 | 0 | $16K | 1960–2025 |
| #19 | Stillwater County | 185 | 0 | $5K | 1958–2025 |
| #20 | Fallon County | 184 | 0 | $1.1M | 1962–2025 |
| #21 | Daniels County | 161 | 0 | $151K | 1956–2025 |
| #22 | Chouteau County | 152 | 0 | $0 | 1958–2025 |
| #23 | Judith Basin County | 149 | 0 | $5K | 1955–2025 |
| #24 | Sweet Grass County | 130 | 0 | $0 | 1955–2025 |
| #25 | Wibaux County | 126 | 0 | $150K | 1963–2023 |