City vs city
East Alton vs Round Lake Beach, IL
East Alton currently scores 11 points higher overall than Round Lake Beach, with the largest gap in hail.
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
East Alton: 50/100 · Round Lake Beach: 39/100
East Alton is 11 points higher.
Flood
East Alton: 77/100 · Round Lake Beach: 48/100
East Alton is 29 points higher.
East Alton: FEMA NFHL flood zones: 5 features intersect this tile.
Round Lake Beach: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
East Alton: 16/100 · Round Lake Beach: 15/100
East Alton is 1 points higher.
East Alton: Wind exposure derived from ingested design wind / climatology tiles.
Round Lake Beach: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
East Alton: 48/100 · Round Lake Beach: 57/100
Round Lake Beach is 9 points higher.
East Alton: Lightning exposure derived from ingested climatology tiles.
Round Lake Beach: Lightning exposure derived from ingested climatology tiles.
Tornado
East Alton: 46/100 · Round Lake Beach: 38/100
East Alton is 8 points higher.
East Alton: Tornado risk derived from NOAA SPC historical reports.
Round Lake Beach: Tornado risk derived from NOAA SPC historical reports.
Hail
East Alton: 99/100 · Round Lake Beach: 57/100
East Alton is 42 points higher.
East Alton: Hail risk derived from NOAA SPC historical reports.
Round Lake Beach: Hail risk derived from NOAA SPC historical reports.
Storm surge
East Alton: Unavailable · Round Lake Beach: Unavailable
A score difference cannot be calculated without both sources.
East Alton: Storm surge model is not available for this location yet.
Round Lake Beach: Storm surge model is not available for this location yet.
Wildfire
East Alton: 29/100 · Round Lake Beach: 36/100
Round Lake Beach is 7 points higher.
East Alton: Wildfire exposure derived from ingested fire potential tiles.
Round Lake Beach: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
East Alton: 35/100 · Round Lake Beach: 22/100
East Alton is 13 points higher.
East Alton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Round Lake Beach: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.