City vs city
Rapid City vs Riverside Colony, SD
Rapid City currently scores 11 points higher overall than Riverside 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
Rapid City: 43/100 · Riverside Colony: 32/100
Rapid City is 11 points higher.
Flood
Rapid City: 53/100 · Riverside Colony: 80/100
Riverside Colony is 27 points higher.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Riverside Colony: FEMA NFHL flood zones: 17 features intersect this tile.
Wind
Rapid City: 20/100 · Riverside Colony: 21/100
Riverside Colony is 1 points higher.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Riverside Colony: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Rapid City: 23/100 · Riverside Colony: 49/100
Riverside Colony is 26 points higher.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Riverside Colony: Lightning exposure derived from ingested climatology tiles.
Tornado
Rapid City: 23/100 · Riverside Colony: 4/100
Rapid City is 19 points higher.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Riverside Colony: Tornado risk derived from NOAA SPC historical reports.
Hail
Rapid City: 100/100 · Riverside Colony: 25/100
Rapid City is 75 points higher.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Riverside Colony: Hail risk derived from NOAA SPC historical reports.
Storm surge
Rapid City: Unavailable · Riverside Colony: Unavailable
A score difference cannot be calculated without both sources.
Rapid City: Storm surge model is not available for this location yet.
Riverside Colony: Storm surge model is not available for this location yet.
Wildfire
Rapid City: 57/100 · Riverside Colony: 37/100
Rapid City is 20 points higher.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Riverside Colony: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Rapid City: 28/100 · Riverside Colony: 7/100
Rapid City is 21 points higher.
Rapid City: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Riverside Colony: Air quality signal derived from the latest EPA AirNow combined AQI grid.