City vs city
Bon Homme Colony vs Rapid City, SD
Rapid City currently scores 13 points higher overall than Bon Homme Colony, 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
Bon Homme Colony: 30/100 · Rapid City: 43/100
Rapid City is 13 points higher.
Flood
Bon Homme Colony: 65/100 · Rapid City: 53/100
Bon Homme Colony is 12 points higher.
Bon Homme Colony: FEMA NFHL flood zones: 3 features intersect this tile.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Bon Homme Colony: 21/100 · Rapid City: 20/100
Bon Homme Colony is 1 points higher.
Bon Homme Colony: Wind exposure derived from ingested design wind / climatology tiles.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Bon Homme Colony: 31/100 · Rapid City: 23/100
Bon Homme Colony is 8 points higher.
Bon Homme Colony: Lightning exposure derived from ingested climatology tiles.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Tornado
Bon Homme Colony: 0/100 · Rapid City: 23/100
Rapid City is 23 points higher.
Bon Homme Colony: Tornado risk derived from NOAA SPC historical reports.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Hail
Bon Homme Colony: 20/100 · Rapid City: 100/100
Rapid City is 80 points higher.
Bon Homme Colony: Hail risk derived from NOAA SPC historical reports.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Bon Homme Colony: Unavailable · Rapid City: Unavailable
A score difference cannot be calculated without both sources.
Bon Homme Colony: Storm surge model is not available for this location yet.
Rapid City: Storm surge model is not available for this location yet.
Wildfire
Bon Homme Colony: 15/100 · Rapid City: 57/100
Rapid City is 42 points higher.
Bon Homme Colony: Wildfire exposure derived from ingested fire potential tiles.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Bon Homme Colony: Unavailable · Rapid City: 28/100
A score difference cannot be calculated without both sources.
Bon Homme Colony: Air quality model is not available for this location yet.
Rapid City: Air quality signal derived from the latest EPA AirNow combined AQI grid.