City vs city
Rapid City vs Summit, SD
Rapid City currently scores 14 points higher overall than Summit, 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 · Summit: 29/100
Rapid City is 14 points higher.
Flood
Rapid City: 53/100 · Summit: 44/100
Rapid City is 9 points higher.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
Summit: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Rapid City: 20/100 · Summit: 20/100
No gap.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
Summit: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Rapid City: 23/100 · Summit: 36/100
Summit is 13 points higher.
Rapid City: Lightning exposure derived from ingested climatology tiles.
Summit: Lightning exposure derived from ingested climatology tiles.
Tornado
Rapid City: 23/100 · Summit: 0/100
Rapid City is 23 points higher.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
Summit: Tornado risk derived from NOAA SPC historical reports.
Hail
Rapid City: 100/100 · Summit: 14/100
Rapid City is 86 points higher.
Rapid City: Hail risk derived from NOAA SPC historical reports.
Summit: Hail risk derived from NOAA SPC historical reports.
Storm surge
Rapid City: Unavailable · Summit: Unavailable
A score difference cannot be calculated without both sources.
Rapid City: Storm surge model is not available for this location yet.
Summit: Storm surge model is not available for this location yet.
Wildfire
Rapid City: 57/100 · Summit: 40/100
Rapid City is 17 points higher.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
Summit: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Rapid City: 28/100 · Summit: 21/100
Rapid City is 7 points higher.
Rapid City: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Summit: Air quality signal derived from the latest EPA AirNow combined AQI grid.