Glendale Heights, IL
Local storm history & FEMA National Risk Index data
Glendale Heights is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for DuPage County, IL. The county's highest-rated hazards are cold wave, tornado, and strong wind.
Storm events near Glendale Heights
NOAA-recorded tornado, hail, and flood events within 25 miles of Glendale Heights's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Glendale Heights 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 DuPage County's FEMA National Risk Index scores, covering Glendale Heights along with the rest of the county, not a Glendale Heights-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 33.7 | Very Low |
| Inland Flooding | 98 | Relatively High |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 93.2 | Relatively Moderate |
| Heat Wave | 93.3 | Relatively Moderate |
| Tornado | 99.3 | Very High |
| Avalanche | — | Not Applicable |
| Cold Wave | 99.7 | Very High |
| Drought | 23.2 | Very Low |
| Hail | 53.8 | Relatively Low |
| Hurricane | 25.1 | Very Low |
| Ice Storm | 74 | Relatively Moderate |
| Landslide | 33 | Very Low |
| Lightning | 96.1 | Relatively High |
| Strong Wind | 99.2 | Very High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 88.4 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full DuPage County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in DuPage County:
More on DuPage County:
Frequently asked questions
What natural hazards is Glendale Heights, IL at risk of?
Glendale Heights 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 DuPage County, where Glendale Heights is located, are cold wave, tornado, and strong wind.
What is Glendale Heights's biggest natural hazard risk?
Cold Wave is the highest-rated hazard for DuPage County, where Glendale Heights is located, scoring 99.7 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Glendale Heights a high-risk area for natural disasters?
Yes — Glendale Heights carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for DuPage County.
Has Glendale Heights had tornadoes, hail, or flooding?
NOAA has recorded 71 tornado, 389 hail, 308 inland flooding events within 25 miles of Glendale Heights since 2016.