West Valley City, UT
Local storm history & FEMA National Risk Index data
West Valley City is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for Salt Lake County, UT. The county's highest-rated hazards are earthquake, avalanche, and winter weather.
Storm events near West Valley City
NOAA-recorded tornado, hail, and flood events within 25 miles of West Valley City's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to West Valley City itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Salt Lake County's FEMA National Risk Index scores, covering West Valley City along with the rest of the county, not a West Valley City-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 98.3 | Relatively High |
| Inland Flooding | 92.9 | Relatively Moderate |
| Coastal Flooding | 0 | No Rating |
| Earthquake | 99.6 | Relatively High |
| Heat Wave | 92.9 | Relatively Moderate |
| Tornado | 71 | Relatively Moderate |
| Avalanche | 99.1 | Very High |
| Cold Wave | 32.6 | Relatively Low |
| Drought | 44.4 | Relatively Low |
| Hail | 68.1 | Relatively Low |
| Hurricane | — | Not Applicable |
| Ice Storm | 13.8 | Very Low |
| Landslide | 86.4 | Relatively Low |
| Lightning | 94.4 | Relatively High |
| Strong Wind | 68.4 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | 75.2 | Very Low |
| Winter Weather | 98.7 | Very High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Salt Lake County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Salt Lake County:
More on Salt Lake County:
Frequently asked questions
What natural hazards is West Valley City, UT at risk of?
West Valley City is rated Relatively High for overall natural hazard risk by FEMA's National Risk Index — higher risk than most US counties. The highest-rated hazards for Salt Lake County, where West Valley City is located, are earthquake, avalanche, and winter weather.
What is West Valley City's biggest natural hazard risk?
Earthquake is the highest-rated hazard for Salt Lake County, where West Valley City is located, scoring 99.6 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is West Valley City a high-risk area for natural disasters?
Yes — West Valley City carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for Salt Lake County.
Has West Valley City had tornadoes, hail, or flooding?
NOAA has recorded 1 tornado, 38 hail, 31 inland flooding events within 25 miles of West Valley City since 2016.