City vs city
Bonnie Brae vs Romeoville, IL
Bonnie Brae currently scores 3 points higher overall than Romeoville, 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
Bonnie Brae: 44/100 · Romeoville: 41/100
Bonnie Brae is 3 points higher.
Flood
Bonnie Brae: 50/100 · Romeoville: 47/100
Bonnie Brae is 3 points higher.
Bonnie Brae: FEMA NFHL flood zones: 13 features intersect this tile.
Romeoville: FEMA NFHL flood zones: 11 features intersect this tile.
Wind
Bonnie Brae: 16/100 · Romeoville: 16/100
No gap.
Bonnie Brae: Wind exposure derived from ingested design wind / climatology tiles.
Romeoville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Bonnie Brae: 41/100 · Romeoville: 41/100
No gap.
Bonnie Brae: Lightning exposure derived from ingested climatology tiles.
Romeoville: Lightning exposure derived from ingested climatology tiles.
Tornado
Bonnie Brae: 42/100 · Romeoville: 27/100
Bonnie Brae is 15 points higher.
Bonnie Brae: Tornado risk derived from NOAA SPC historical reports.
Romeoville: Tornado risk derived from NOAA SPC historical reports.
Hail
Bonnie Brae: 100/100 · Romeoville: 100/100
No gap.
Bonnie Brae: Hail risk derived from NOAA SPC historical reports.
Romeoville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Bonnie Brae: Unavailable · Romeoville: Unavailable
A score difference cannot be calculated without both sources.
Bonnie Brae: Storm surge model is not available for this location yet.
Romeoville: Storm surge model is not available for this location yet.
Wildfire
Bonnie Brae: 30/100 · Romeoville: 23/100
Bonnie Brae is 7 points higher.
Bonnie Brae: Wildfire exposure derived from ingested fire potential tiles.
Romeoville: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Bonnie Brae: 28/100 · Romeoville: 30/100
Romeoville is 2 points higher.
Bonnie Brae: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Romeoville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.