St. Louis, MO
Local storm history & FEMA National Risk Index data
St. Louis is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for St. Louis, MO. The county's highest-rated hazards are heat wave, tornado, and earthquake.
Storm events near St. Louis
NOAA-recorded tornado, hail, and flood events within 25 miles of St. Louis's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to St. Louis 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. Louis's FEMA National Risk Index scores, covering St. Louis along with the rest of the county, not a St. Louis-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 3 | Very Low |
| Inland Flooding | 97 | Relatively High |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 98.5 | Relatively High |
| Heat Wave | 99.8 | Very High |
| Tornado | 98.9 | Very High |
| Avalanche | — | Not Applicable |
| Cold Wave | 87.2 | Relatively Moderate |
| Drought | 0 | No Rating |
| Hail | 87.1 | Relatively Moderate |
| Hurricane | 32.1 | Very Low |
| Ice Storm | 83.7 | Relatively High |
| Landslide | 46 | Very Low |
| Lightning | 88.9 | Relatively High |
| Strong Wind | 94.5 | Relatively High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 79.7 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full St. Louis risk profile for disaster declarations, social vulnerability, and climate projection data.
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Frequently asked questions
What natural hazards is St. Louis, MO at risk of?
St. Louis 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. Louis, where St. Louis is located, are heat wave, tornado, and earthquake.
What is St. Louis's biggest natural hazard risk?
Heat Wave is the highest-rated hazard for St. Louis, where St. Louis is located, scoring 99.8 out of 100 on FEMA's National Risk Index (rated "Very High").
Is St. Louis a high-risk area for natural disasters?
Yes — St. Louis carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for St. Louis.
Has St. Louis had tornadoes, hail, or flooding?
NOAA has recorded 43 tornado, 371 hail, 69 inland flooding events within 25 miles of St. Louis since 2016.