City vs city

Rapid City vs Spearfish, SD

Spearfish currently scores 4 points higher overall than Rapid City, with the largest gap in tornado.

Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.

Rapid City

43/100

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Spearfish

47/100

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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 · Spearfish: 47/100

Spearfish is 4 points higher.

Flood

Rapid City: 53/100 · Spearfish: 47/100

Rapid City is 6 points higher.

Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.

Spearfish: FEMA NFHL flood zones: 3 features intersect this tile.

Wind

Rapid City: 20/100 · Spearfish: 19/100

Rapid City is 1 points higher.

Rapid City: Wind exposure derived from ingested design wind / climatology tiles.

Spearfish: Wind exposure derived from ingested design wind / climatology tiles.

Lightning

Rapid City: 23/100 · Spearfish: 28/100

Spearfish is 5 points higher.

Rapid City: Lightning exposure derived from ingested climatology tiles.

Spearfish: Lightning exposure derived from ingested climatology tiles.

Tornado

Rapid City: 23/100 · Spearfish: 0/100

Rapid City is 23 points higher.

Rapid City: Tornado risk derived from NOAA SPC historical reports.

Spearfish: Tornado risk derived from NOAA SPC historical reports.

Hail

Rapid City: 100/100 · Spearfish: 100/100

No gap.

Rapid City: Hail risk derived from NOAA SPC historical reports.

Spearfish: Hail risk derived from NOAA SPC historical reports.

Storm surge

Rapid City: Unavailable · Spearfish: Unavailable

A score difference cannot be calculated without both sources.

Rapid City: Storm surge model is not available for this location yet.

Spearfish: Storm surge model is not available for this location yet.

Wildfire

Rapid City: 57/100 · Spearfish: 59/100

Spearfish is 2 points higher.

Rapid City: Wildfire exposure derived from ingested fire potential tiles.

Spearfish: Wildfire exposure derived from ingested fire potential tiles.

Current air quality

Rapid City: 28/100 · Spearfish: 28/100

No gap.

Rapid City: Air quality signal derived from the latest EPA AirNow combined AQI grid.

Spearfish: Air quality signal derived from the latest EPA AirNow combined AQI grid.