City vs city
Johnston City vs Round Lake Beach, IL
Johnston City currently scores 9 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
Johnston City: 48/100 · Round Lake Beach: 39/100
Johnston City is 9 points higher.
Flood
Johnston City: 76/100 · Round Lake Beach: 48/100
Johnston City is 28 points higher.
Johnston City: FEMA NFHL flood zones: 9 features intersect this tile.
Round Lake Beach: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Johnston City: 15/100 · Round Lake Beach: 15/100
No gap.
Johnston City: Wind exposure derived from ingested design wind / climatology tiles.
Round Lake Beach: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Johnston City: 48/100 · Round Lake Beach: 57/100
Round Lake Beach is 9 points higher.
Johnston City: Lightning exposure derived from ingested climatology tiles.
Round Lake Beach: Lightning exposure derived from ingested climatology tiles.
Tornado
Johnston City: 27/100 · Round Lake Beach: 38/100
Round Lake Beach is 11 points higher.
Johnston City: Tornado risk derived from NOAA SPC historical reports.
Round Lake Beach: Tornado risk derived from NOAA SPC historical reports.
Hail
Johnston City: 100/100 · Round Lake Beach: 57/100
Johnston City is 43 points higher.
Johnston City: Hail risk derived from NOAA SPC historical reports.
Round Lake Beach: Hail risk derived from NOAA SPC historical reports.
Storm surge
Johnston City: Unavailable · Round Lake Beach: Unavailable
A score difference cannot be calculated without both sources.
Johnston City: Storm surge model is not available for this location yet.
Round Lake Beach: Storm surge model is not available for this location yet.
Wildfire
Johnston City: 39/100 · Round Lake Beach: 36/100
Johnston City is 3 points higher.
Johnston City: Wildfire exposure derived from ingested fire potential tiles.
Round Lake Beach: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Johnston City: 30/100 · Round Lake Beach: 22/100
Johnston City is 8 points higher.
Johnston City: 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.