City vs city
Decatur vs Round Lake Beach, IL
Decatur currently scores 12 points higher overall than Round Lake Beach, 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 is a current EPA AirNow signal; 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
Decatur: 51/100 · Round Lake Beach: 39/100
Decatur is 12 points higher.
Flood
Decatur: 57/100 · Round Lake Beach: 48/100
Decatur is 9 points higher.
Decatur: FEMA NFHL flood zones: 11 features intersect this tile.
Round Lake Beach: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Decatur: 16/100 · Round Lake Beach: 15/100
Decatur is 1 points higher.
Decatur: Wind exposure derived from ingested design wind / climatology tiles.
Round Lake Beach: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Decatur: 54/100 · Round Lake Beach: 57/100
Round Lake Beach is 3 points higher.
Decatur: Lightning exposure derived from ingested climatology tiles.
Round Lake Beach: Lightning exposure derived from ingested climatology tiles.
Tornado
Decatur: 81/100 · Round Lake Beach: 38/100
Decatur is 43 points higher.
Decatur: Tornado risk derived from NOAA SPC historical reports.
Round Lake Beach: Tornado risk derived from NOAA SPC historical reports.
Hail
Decatur: 100/100 · Round Lake Beach: 57/100
Decatur is 43 points higher.
Decatur: Hail risk derived from NOAA SPC historical reports.
Round Lake Beach: Hail risk derived from NOAA SPC historical reports.
Storm surge
Decatur: Unavailable · Round Lake Beach: Unavailable
A score difference cannot be calculated without both sources.
Decatur: Storm surge model is not available for this location yet.
Round Lake Beach: Storm surge model is not available for this location yet.
Wildfire
Decatur: 16/100 · Round Lake Beach: 36/100
Round Lake Beach is 20 points higher.
Decatur: Wildfire exposure derived from ingested fire potential tiles.
Round Lake Beach: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Decatur: 31/100 · Round Lake Beach: 22/100
Decatur is 9 points higher.
Decatur: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Round Lake Beach: Air quality signal derived from the latest EPA AirNow combined AQI grid.