Riverside, CA
Local storm history & FEMA National Risk Index data
Riverside is rated Very High for overall natural hazard risk — among the most at-risk counties in the country — based on FEMA's National Risk Index for Riverside County, CA. The county's highest-rated hazards are wildfire, inland flooding, and earthquake.
Storm events near Riverside
NOAA-recorded tornado, hail, and flood events within 25 miles of Riverside's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Riverside 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 Riverside County's FEMA National Risk Index scores, covering Riverside along with the rest of the county, not a Riverside-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 100 | Very High |
| Inland Flooding | 99.9 | Very High |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 99.8 | Very High |
| Heat Wave | 98.5 | Relatively High |
| Tornado | 86.7 | Relatively Moderate |
| Avalanche | 51.6 | Very Low |
| Cold Wave | 13.9 | Very Low |
| Drought | 55.7 | Relatively Low |
| Hail | 81.4 | Relatively Moderate |
| Hurricane | 12 | Very Low |
| Ice Storm | — | Not Applicable |
| Landslide | 98.7 | Relatively High |
| Lightning | 81.5 | Relatively Moderate |
| Strong Wind | 52.7 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | 66.8 | Very Low |
| Winter Weather | 66.8 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Riverside County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Riverside County:
More on Riverside County:
Frequently asked questions
What natural hazards is Riverside, CA at risk of?
Riverside is rated Very High for overall natural hazard risk by FEMA's National Risk Index — among the most at-risk counties in the country. The highest-rated hazards for Riverside County, where Riverside is located, are wildfire, inland flooding, and earthquake.
What is Riverside's biggest natural hazard risk?
Wildfire is the highest-rated hazard for Riverside County, where Riverside is located, scoring 100 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Riverside a high-risk area for natural disasters?
Yes — Riverside carries among the most at-risk counties in the country for overall natural hazard risk, per FEMA's National Risk Index rating of "Very High" for Riverside County.
Has Riverside had tornadoes, hail, or flooding?
NOAA has recorded 1 tornado, 6 hail, 138 inland flooding events within 25 miles of Riverside since 2016.