City vs city
Le Mars vs Sioux City, IA
Le Mars currently scores 14 points higher overall than Sioux City, with the largest gap in flood.
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
Le Mars: 53/100 · Sioux City: 39/100
Le Mars is 14 points higher.
Flood
Le Mars: 55/100 · Sioux City: 4/100
Le Mars is 51 points higher.
Le Mars: FEMA NFHL flood zones: 5 features intersect this tile.
Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Le Mars: 20/100 · Sioux City: 20/100
No gap.
Le Mars: Wind exposure derived from ingested design wind / climatology tiles.
Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Le Mars: 49/100 · Sioux City: 52/100
Sioux City is 3 points higher.
Le Mars: Lightning exposure derived from ingested climatology tiles.
Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Le Mars: 85/100 · Sioux City: 38/100
Le Mars is 47 points higher.
Le Mars: Tornado risk derived from NOAA SPC historical reports.
Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Le Mars: 100/100 · Sioux City: 86/100
Le Mars is 14 points higher.
Le Mars: Hail risk derived from NOAA SPC historical reports.
Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Le Mars: Unavailable · Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Le Mars: Storm surge model is not available for this location yet.
Sioux City: Storm surge model is not available for this location yet.
Wildfire
Le Mars: 36/100 · Sioux City: 48/100
Sioux City is 12 points higher.
Le Mars: Wildfire exposure derived from ingested fire potential tiles.
Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Le Mars: 26/100 · Sioux City: 26/100
No gap.
Le Mars: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Sioux City: Air quality signal derived from the latest EPA AirNow combined AQI grid.