City vs city
Clarendon Hills vs Joliet, IL
Joliet currently scores 11 points higher overall than Clarendon Hills, with the largest gap in tornado.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality uses an ingested EPA AirNow snapshot and may not reflect current conditions; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Clarendon Hills: 36/100 · Joliet: 47/100
Joliet is 11 points higher.
Flood
Clarendon Hills: 43/100 · Joliet: 44/100
Joliet is 1 points higher.
Clarendon Hills: FEMA NFHL flood zones: 12 features intersect this tile.
Joliet: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Clarendon Hills: 16/100 · Joliet: 16/100
No gap.
Clarendon Hills: Wind exposure derived from ingested design wind / climatology tiles.
Joliet: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Clarendon Hills: 39/100 · Joliet: 43/100
Joliet is 4 points higher.
Clarendon Hills: Lightning exposure derived from ingested climatology tiles.
Joliet: Lightning exposure derived from ingested climatology tiles.
Tornado
Clarendon Hills: 8/100 · Joliet: 81/100
Joliet is 73 points higher.
Clarendon Hills: Tornado risk derived from NOAA SPC historical reports.
Joliet: Tornado risk derived from NOAA SPC historical reports.
Hail
Clarendon Hills: 100/100 · Joliet: 96/100
Clarendon Hills is 4 points higher.
Clarendon Hills: Hail risk derived from NOAA SPC historical reports.
Joliet: Hail risk derived from NOAA SPC historical reports.
Storm surge
Clarendon Hills: Unavailable · Joliet: Unavailable
A score difference cannot be calculated without both sources.
Clarendon Hills: Storm surge model is not available for this location yet.
Joliet: Storm surge model is not available for this location yet.
Wildfire
Clarendon Hills: 18/100 · Joliet: 21/100
Joliet is 3 points higher.
Clarendon Hills: Wildfire exposure derived from ingested fire potential tiles.
Joliet: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Clarendon Hills: 30/100 · Joliet: 28/100
Clarendon Hills is 2 points higher.
Clarendon Hills: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Joliet: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.