City vs city
Elk Point vs North Sioux City, SD
Elk Point currently scores 4 points higher overall than North 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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Elk Point: 47/100 · North Sioux City: 43/100
Elk Point is 4 points higher.
Flood
Elk Point: 100/100 · North Sioux City: 10/100
Elk Point is 90 points higher.
Elk Point: FEMA NFHL flood zones: 25 features intersect this tile.
North Sioux City: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Elk Point: 20/100 · North Sioux City: 20/100
No gap.
Elk Point: Wind exposure derived from ingested design wind / climatology tiles.
North Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Elk Point: 42/100 · North Sioux City: 48/100
North Sioux City is 6 points higher.
Elk Point: Lightning exposure derived from ingested climatology tiles.
North Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Elk Point: 8/100 · North Sioux City: 54/100
North Sioux City is 46 points higher.
Elk Point: Tornado risk derived from NOAA SPC historical reports.
North Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Elk Point: 100/100 · North Sioux City: 90/100
Elk Point is 10 points higher.
Elk Point: Hail risk derived from NOAA SPC historical reports.
North Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Elk Point: Unavailable · North Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Elk Point: Storm surge model is not available for this location yet.
North Sioux City: Storm surge model is not available for this location yet.
Wildfire
Elk Point: 38/100 · North Sioux City: 52/100
North Sioux City is 14 points higher.
Elk Point: Wildfire exposure derived from ingested fire potential tiles.
North Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Elk Point: 24/100 · North Sioux City: 26/100
North Sioux City is 2 points higher.
Elk Point: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
North Sioux City: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.