City vs city
Council Bluffs vs Sioux City, IA
Council Bluffs currently scores 8 points higher overall than Sioux City, 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
Council Bluffs: 47/100 · Sioux City: 39/100
Council Bluffs is 8 points higher.
Flood
Council Bluffs: 5/100 · Sioux City: 4/100
Council Bluffs is 1 points higher.
Council Bluffs: FEMA NFHL flood zones: 2 features intersect this tile.
Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Council Bluffs: 19/100 · Sioux City: 20/100
Sioux City is 1 points higher.
Council Bluffs: Wind exposure derived from ingested design wind / climatology tiles.
Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Council Bluffs: 53/100 · Sioux City: 52/100
Council Bluffs is 1 points higher.
Council Bluffs: Lightning exposure derived from ingested climatology tiles.
Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Council Bluffs: 81/100 · Sioux City: 38/100
Council Bluffs is 43 points higher.
Council Bluffs: Tornado risk derived from NOAA SPC historical reports.
Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Council Bluffs: 100/100 · Sioux City: 86/100
Council Bluffs is 14 points higher.
Council Bluffs: Hail risk derived from NOAA SPC historical reports.
Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Council Bluffs: Unavailable · Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Council Bluffs: Storm surge model is not available for this location yet.
Sioux City: Storm surge model is not available for this location yet.
Wildfire
Council Bluffs: 48/100 · Sioux City: 48/100
No gap.
Council Bluffs: Wildfire exposure derived from ingested fire potential tiles.
Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Council Bluffs: 21/100 · Sioux City: 26/100
Sioux City is 5 points higher.
Council Bluffs: 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.