City vs city
Sioux Falls vs Vermillion, SD
Sioux Falls currently scores 5 points higher overall than Vermillion, 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
Sioux Falls: 50/100 · Vermillion: 45/100
Sioux Falls is 5 points higher.
Flood
Sioux Falls: 52/100 · Vermillion: 56/100
Vermillion is 4 points higher.
Sioux Falls: FEMA NFHL flood zones: 17 features intersect this tile.
Vermillion: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Sioux Falls: 20/100 · Vermillion: 20/100
No gap.
Sioux Falls: Wind exposure derived from ingested design wind / climatology tiles.
Vermillion: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Sioux Falls: 46/100 · Vermillion: 35/100
Sioux Falls is 11 points higher.
Sioux Falls: Lightning exposure derived from ingested climatology tiles.
Vermillion: Lightning exposure derived from ingested climatology tiles.
Tornado
Sioux Falls: 58/100 · Vermillion: 35/100
Sioux Falls is 23 points higher.
Sioux Falls: Tornado risk derived from NOAA SPC historical reports.
Vermillion: Tornado risk derived from NOAA SPC historical reports.
Hail
Sioux Falls: 100/100 · Vermillion: 100/100
No gap.
Sioux Falls: Hail risk derived from NOAA SPC historical reports.
Vermillion: Hail risk derived from NOAA SPC historical reports.
Storm surge
Sioux Falls: Unavailable · Vermillion: Unavailable
A score difference cannot be calculated without both sources.
Sioux Falls: Storm surge model is not available for this location yet.
Vermillion: Storm surge model is not available for this location yet.
Wildfire
Sioux Falls: 51/100 · Vermillion: 47/100
Sioux Falls is 4 points higher.
Sioux Falls: Wildfire exposure derived from ingested fire potential tiles.
Vermillion: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Sioux Falls: 21/100 · Vermillion: 22/100
Vermillion is 1 points higher.
Sioux Falls: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Vermillion: Air quality signal derived from the latest EPA AirNow combined AQI grid.