Oak Forest, IL
Local storm history & FEMA National Risk Index data
Oak Forest 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 Cook County, IL. The county's highest-rated hazards are tornado, cold wave, and winter weather.
Storm events near Oak Forest
NOAA-recorded tornado, hail, and flood events within 25 miles of Oak Forest's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Oak Forest 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 Cook County's FEMA National Risk Index scores, covering Oak Forest along with the rest of the county, not a Oak Forest-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 55.8 | Very Low |
| Inland Flooding | 99.9 | Very High |
| Coastal Flooding | 44 | Relatively Low |
| Earthquake | 98.4 | Relatively High |
| Heat Wave | 99.8 | Very High |
| Tornado | 100 | Very High |
| Avalanche | — | Not Applicable |
| Cold Wave | 100 | Very High |
| Drought | 25.7 | Very Low |
| Hail | 99.1 | Relatively High |
| Hurricane | 48.9 | Very Low |
| Ice Storm | 97.2 | Very High |
| Landslide | 56.4 | Very Low |
| Lightning | 98.2 | Very High |
| Strong Wind | 99.6 | Very High |
| Tsunami | — | Insufficient Data |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 100 | Very High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Cook County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Cook County:
More on Cook County:
Frequently asked questions
What natural hazards is Oak Forest, IL at risk of?
Oak Forest 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 Cook County, where Oak Forest is located, are tornado, cold wave, and winter weather.
What is Oak Forest's biggest natural hazard risk?
Tornado is the highest-rated hazard for Cook County, where Oak Forest is located, scoring 100 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Oak Forest a high-risk area for natural disasters?
Yes — Oak Forest 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 Cook County.
Has Oak Forest had tornadoes, hail, or flooding?
NOAA has recorded 65 tornado, 240 hail, 292 inland flooding events within 25 miles of Oak Forest since 2016.