City vs city
Belle Fourche vs Spearfish, SD
Belle Fourche currently scores 2 points higher overall than Spearfish, with the largest gap in flood.
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
Belle Fourche: 49/100 · Spearfish: 47/100
Belle Fourche is 2 points higher.
Flood
Belle Fourche: 59/100 · Spearfish: 47/100
Belle Fourche is 12 points higher.
Belle Fourche: FEMA NFHL flood zones: 11 features intersect this tile.
Spearfish: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Belle Fourche: 19/100 · Spearfish: 19/100
No gap.
Belle Fourche: Wind exposure derived from ingested design wind / climatology tiles.
Spearfish: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Belle Fourche: 36/100 · Spearfish: 28/100
Belle Fourche is 8 points higher.
Belle Fourche: Lightning exposure derived from ingested climatology tiles.
Spearfish: Lightning exposure derived from ingested climatology tiles.
Tornado
Belle Fourche: 0/100 · Spearfish: 0/100
No gap.
Belle Fourche: Tornado risk derived from NOAA SPC historical reports.
Spearfish: Tornado risk derived from NOAA SPC historical reports.
Hail
Belle Fourche: 100/100 · Spearfish: 100/100
No gap.
Belle Fourche: Hail risk derived from NOAA SPC historical reports.
Spearfish: Hail risk derived from NOAA SPC historical reports.
Storm surge
Belle Fourche: Unavailable · Spearfish: Unavailable
A score difference cannot be calculated without both sources.
Belle Fourche: Storm surge model is not available for this location yet.
Spearfish: Storm surge model is not available for this location yet.
Wildfire
Belle Fourche: 50/100 · Spearfish: 59/100
Spearfish is 9 points higher.
Belle Fourche: Wildfire exposure derived from ingested fire potential tiles.
Spearfish: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Belle Fourche: 28/100 · Spearfish: 28/100
No gap.
Belle Fourche: 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.