Waterloo, IL
Local storm history & FEMA National Risk Index data
Waterloo is rated Very Low for overall natural hazard risk — among the lowest-risk counties in the country — based on FEMA's National Risk Index for Monroe County, IL. The county's highest-rated hazards are heat wave, earthquake, and landslide.
Storm events near Waterloo
NOAA-recorded tornado, hail, and flood events within 25 miles of Waterloo's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Waterloo 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 Monroe County's FEMA National Risk Index scores, covering Waterloo along with the rest of the county, not a Waterloo-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 1.9 | Very Low |
| Inland Flooding | 32.3 | Very Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 84.5 | Relatively Low |
| Heat Wave | 87.6 | Relatively Moderate |
| Tornado | 58.3 | Relatively Low |
| Avalanche | — | Not Applicable |
| Cold Wave | 49 | Relatively Low |
| Drought | 41.1 | Relatively Low |
| Hail | 60.2 | Relatively Low |
| Hurricane | 17 | Very Low |
| Ice Storm | 17.4 | Very Low |
| Landslide | 81.6 | Relatively Low |
| Lightning | 39.7 | Relatively Low |
| Strong Wind | 69.7 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 32.6 | Relatively Low |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Monroe County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Monroe County:
Frequently asked questions
What natural hazards is Waterloo, IL at risk of?
Waterloo is rated Very Low for overall natural hazard risk by FEMA's National Risk Index — among the lowest-risk counties in the country. The highest-rated hazards for Monroe County, where Waterloo is located, are heat wave, earthquake, and landslide.
What is Waterloo's biggest natural hazard risk?
Heat Wave is the highest-rated hazard for Monroe County, where Waterloo is located, scoring 87.6 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").
Is Waterloo a high-risk area for natural disasters?
No — Waterloo carries among the lowest-risk counties in the country for overall natural hazard risk, per FEMA's National Risk Index rating of "Very Low" for Monroe County.
Has Waterloo had tornadoes, hail, or flooding?
NOAA has recorded 42 tornado, 268 hail, 56 inland flooding events within 25 miles of Waterloo since 2016.