City vs city
Moorhead vs Sioux City, IA
Sioux City currently scores 6 points higher overall than Moorhead, 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 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
Moorhead: 33/100 · Sioux City: 39/100
Sioux City is 6 points higher.
Flood
Moorhead: 52/100 · Sioux City: 4/100
Moorhead is 48 points higher.
Moorhead: FEMA NFHL flood zones: 5 features intersect this tile.
Sioux City: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Moorhead: 19/100 · Sioux City: 20/100
Sioux City is 1 points higher.
Moorhead: Wind exposure derived from ingested design wind / climatology tiles.
Sioux City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Moorhead: 57/100 · Sioux City: 52/100
Moorhead is 5 points higher.
Moorhead: Lightning exposure derived from ingested climatology tiles.
Sioux City: Lightning exposure derived from ingested climatology tiles.
Tornado
Moorhead: 12/100 · Sioux City: 38/100
Sioux City is 26 points higher.
Moorhead: Tornado risk derived from NOAA SPC historical reports.
Sioux City: Tornado risk derived from NOAA SPC historical reports.
Hail
Moorhead: 22/100 · Sioux City: 86/100
Sioux City is 64 points higher.
Moorhead: Hail risk derived from NOAA SPC historical reports.
Sioux City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Moorhead: Unavailable · Sioux City: Unavailable
A score difference cannot be calculated without both sources.
Moorhead: Storm surge model is not available for this location yet.
Sioux City: Storm surge model is not available for this location yet.
Wildfire
Moorhead: 51/100 · Sioux City: 48/100
Moorhead is 3 points higher.
Moorhead: Wildfire exposure derived from ingested fire potential tiles.
Sioux City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Moorhead: 15/100 · Sioux City: 26/100
Sioux City is 11 points higher.
Moorhead: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
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.