City vs city
Ida Grove vs Sioux City, IA
Ida Grove currently scores 3 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
Ida Grove: 42/100 · Sioux City: 39/100
Ida Grove is 3 points higher.
Flood
Ida Grove: 49/100 · Sioux City: 4/100
Ida Grove is 45 points higher.
Ida Grove: FEMA NFHL flood zones: 6 features intersect this tile.
Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Ida Grove: 19/100 · Sioux City: 20/100
Sioux City is 1 points higher.
Ida Grove: Wind exposure derived from ingested design wind / climatology tiles.
Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Ida Grove: 59/100 · Sioux City: 52/100
Ida Grove is 7 points higher.
Ida Grove: Lightning exposure derived from ingested climatology tiles.
Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Ida Grove: 19/100 · Sioux City: 38/100
Sioux City is 19 points higher.
Ida Grove: Tornado risk derived from NOAA SPC historical reports.
Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Ida Grove: 97/100 · Sioux City: 86/100
Ida Grove is 11 points higher.
Ida Grove: Hail risk derived from NOAA SPC historical reports.
Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Ida Grove: Unavailable · Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Ida Grove: Storm surge model is not available for this location yet.
Sioux City: Storm surge model is not available for this location yet.
Wildfire
Ida Grove: 30/100 · Sioux City: 48/100
Sioux City is 18 points higher.
Ida Grove: Wildfire exposure derived from ingested fire potential tiles.
Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Ida Grove: 21/100 · Sioux City: 26/100
Sioux City is 5 points higher.
Ida Grove: 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.