City vs city
Marion vs Mount Vernon, IL
Marion currently scores 16 points higher overall than Mount Vernon, 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 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
Marion: 45/100 · Mount Vernon: 29/100
Marion is 16 points higher.
Flood
Marion: 43/100 · Mount Vernon: 47/100
Mount Vernon is 4 points higher.
Marion: FEMA NFHL flood zones: 3 features intersect this tile.
Mount Vernon: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Marion: 15/100 · Mount Vernon: 15/100
No gap.
Marion: Wind exposure derived from ingested design wind / climatology tiles.
Mount Vernon: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Marion: 49/100 · Mount Vernon: 46/100
Marion is 3 points higher.
Marion: Lightning exposure derived from ingested climatology tiles.
Mount Vernon: Lightning exposure derived from ingested climatology tiles.
Tornado
Marion: 50/100 · Mount Vernon: 15/100
Marion is 35 points higher.
Marion: Tornado risk derived from NOAA SPC historical reports.
Mount Vernon: Tornado risk derived from NOAA SPC historical reports.
Hail
Marion: 100/100 · Mount Vernon: 29/100
Marion is 71 points higher.
Marion: Hail risk derived from NOAA SPC historical reports.
Mount Vernon: Hail risk derived from NOAA SPC historical reports.
Storm surge
Marion: Unavailable · Mount Vernon: Unavailable
A score difference cannot be calculated without both sources.
Marion: Storm surge model is not available for this location yet.
Mount Vernon: Storm surge model is not available for this location yet.
Wildfire
Marion: 27/100 · Mount Vernon: 19/100
Marion is 8 points higher.
Marion: Wildfire exposure derived from ingested fire potential tiles.
Mount Vernon: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Marion: 30/100 · Mount Vernon: 30/100
No gap.
Marion: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Mount Vernon: Air quality signal derived from the latest EPA AirNow combined AQI grid.