City vs city
Iowa City vs Sac City, IA
Iowa City currently scores 15 points higher overall than Sac City, 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
Iowa City: 48/100 · Sac City: 33/100
Iowa City is 15 points higher.
Flood
Iowa City: 64/100 · Sac City: 50/100
Iowa City is 14 points higher.
Iowa City: FEMA NFHL flood zones: 13 features intersect this tile.
Sac City: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Iowa City: 17/100 · Sac City: 19/100
Sac City is 2 points higher.
Iowa City: Wind exposure derived from ingested design wind / climatology tiles.
Sac City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Iowa City: 47/100 · Sac City: 58/100
Sac City is 11 points higher.
Iowa City: Lightning exposure derived from ingested climatology tiles.
Sac City: Lightning exposure derived from ingested climatology tiles.
Tornado
Iowa City: 38/100 · Sac City: 8/100
Iowa City is 30 points higher.
Iowa City: Tornado risk derived from NOAA SPC historical reports.
Sac City: Tornado risk derived from NOAA SPC historical reports.
Hail
Iowa City: 100/100 · Sac City: 50/100
Iowa City is 50 points higher.
Iowa City: Hail risk derived from NOAA SPC historical reports.
Sac City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Iowa City: Unavailable · Sac City: Unavailable
A score difference cannot be calculated without both sources.
Iowa City: Storm surge model is not available for this location yet.
Sac City: Storm surge model is not available for this location yet.
Wildfire
Iowa City: 43/100 · Sac City: 23/100
Iowa City is 20 points higher.
Iowa City: Wildfire exposure derived from ingested fire potential tiles.
Sac City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Iowa City: 24/100 · Sac City: 22/100
Iowa City is 2 points higher.
Iowa City: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Sac City: Air quality signal derived from the latest EPA AirNow combined AQI grid.