Mandeville, LA
Local storm history & FEMA National Risk Index data
Mandeville is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for St. Tammany Parish, LA. The county's highest-rated hazards are hurricane, heat wave, and lightning.
Storm events near Mandeville
NOAA-recorded tornado, hail, and flood events within 25 miles of Mandeville's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Mandeville 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 St. Tammany Parish's FEMA National Risk Index scores, covering Mandeville along with the rest of the county, not a Mandeville-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 89.6 | Relatively Moderate |
| Inland Flooding | 94.2 | Relatively High |
| Coastal Flooding | 82.6 | Relatively High |
| Earthquake | 67.3 | Relatively Low |
| Heat Wave | 96.3 | Relatively Moderate |
| Tornado | 86.6 | Relatively Moderate |
| Avalanche | — | Not Applicable |
| Cold Wave | 92.7 | Relatively High |
| Drought | 80.2 | Relatively Moderate |
| Hail | 88 | Relatively Moderate |
| Hurricane | 98.9 | Very High |
| Ice Storm | 78.1 | Relatively Moderate |
| Landslide | 37.9 | Very Low |
| Lightning | 95.7 | Relatively High |
| Strong Wind | 80.9 | Relatively Moderate |
| Tsunami | — | Insufficient Data |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 79 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full St. Tammany Parish risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in St. Tammany Parish:
More on St. Tammany Parish:
Frequently asked questions
What natural hazards is Mandeville, LA at risk of?
Mandeville 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 St. Tammany Parish, where Mandeville is located, are hurricane, heat wave, and lightning.
What is Mandeville's biggest natural hazard risk?
Hurricane is the highest-rated hazard for St. Tammany Parish, where Mandeville is located, scoring 98.9 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Mandeville a high-risk area for natural disasters?
Yes — Mandeville carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for St. Tammany Parish.
Has Mandeville had tornadoes, hail, or flooding?
NOAA has recorded 42 tornado, 29 hail, 124 inland flooding events within 25 miles of Mandeville since 2016.