Utah hail risk
Salt Lake County has the highest hail risk in Utah, scoring 68.1 out of 100 — rated "Relatively Low" by FEMA's National Risk Index. Recorded hail events across Utah have increased 40% over the past five years compared to the prior five-year period.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Salt Lake County | 68.1 | Relatively Low | 27 |
| 2 | Utah County | 31.7 | Very Low | 10 |
| 3 | Davis County | 17.7 | Very Low | 9 |
| 4 | Cache County | 16.1 | Very Low | 6 |
| 5 | Weber County | 14.5 | Very Low | 4 |
| 6 | Tooele County | 11.5 | Very Low | 7 |
| 7 | Summit County | 9.8 | Very Low | 2 |
| 8 | Box Elder County | 7.8 | Very Low | 4 |
| 9 | Washington County | 5.6 | Very Low | 7 |
| 10 | Wasatch County | 5.4 | Very Low | 2 |
| 11 | Uintah County | 5 | Very Low | 6 |
| 12 | Duchesne County | 4.5 | Very Low | 8 |
| 13 | Carbon County | 3.8 | Very Low | 6 |
| 14 | Sanpete County | 3.1 | Very Low | 0 |
| 15 | Daggett County | 3 | Very Low | 0 |
| 16 | Iron County | 2.9 | Very Low | 7 |
| 17 | Emery County | 2.5 | Very Low | 1 |
| 18 | Grand County | 2.5 | Very Low | 14 |
| 19 | Juab County | 2.5 | Very Low | 2 |
| 20 | San Juan County | 2.4 | Very Low | 9 |
| 21 | Morgan County | 2.1 | Very Low | 1 |
| 22 | Rich County | 1.9 | Very Low | 0 |
| 23 | Millard County | 1.8 | Very Low | 1 |
| 24 | Beaver County | 1.5 | Very Low | 3 |
| 25 | Wayne County | 1.5 | Very Low | 2 |
| 26 | Sevier County | 1.4 | Very Low | 0 |
| 27 | Garfield County | 1.2 | Very Low | 6 |
| 28 | Kane County | 1.1 | Very Low | 7 |
| 29 | Piute County | 0.8 | Very Low | 0 |
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.
Hail risk nationally:
Other hazard risks in Utah:
Frequently asked questions
What is the highest hail risk county in Utah?
Salt Lake County, UT has the highest hail risk in Utah, with a FEMA National Risk Index score of 68.1 out of 100 (rated "Relatively Low").
What causes hail risk in Utah?
Hail risk reflects expected annual losses from damaging hailstones to structures, vehicles, and crops. High scores cluster in the central plains and Front Range — a corridor sometimes called "Hail Alley" — where large-diameter hail is most frequent. Hail causes over $10 billion in US property damage in active years, much of it to roofs, vehicles, and crops.