City vs city
Rapid City vs St. Francis, SD
Rapid City currently scores 3 points higher overall than St. Francis, with the largest gap in tornado.
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 · St. Francis: 40/100
Rapid City is 3 points higher.
Flood
Rapid City: 53/100 · St. Francis: Unavailable
A score difference cannot be calculated without both sources.
Rapid City: FEMA NFHL flood zones: 8 features intersect this tile.
St. Francis: Flood model is not available for this location yet.
Wind
Rapid City: 20/100 · St. Francis: 20/100
No gap.
Rapid City: Wind exposure derived from ingested design wind / climatology tiles.
St. Francis: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Rapid City: 23/100 · St. Francis: 25/100
St. Francis is 2 points higher.
Rapid City: Lightning exposure derived from ingested climatology tiles.
St. Francis: Lightning exposure derived from ingested climatology tiles.
Tornado
Rapid City: 23/100 · St. Francis: 46/100
St. Francis is 23 points higher.
Rapid City: Tornado risk derived from NOAA SPC historical reports.
St. Francis: Tornado risk derived from NOAA SPC historical reports.
Hail
Rapid City: 100/100 · St. Francis: 93/100
Rapid City is 7 points higher.
Rapid City: Hail risk derived from NOAA SPC historical reports.
St. Francis: Hail risk derived from NOAA SPC historical reports.
Storm surge
Rapid City: Unavailable · St. Francis: Unavailable
A score difference cannot be calculated without both sources.
Rapid City: Storm surge model is not available for this location yet.
St. Francis: Storm surge model is not available for this location yet.
Wildfire
Rapid City: 57/100 · St. Francis: 71/100
St. Francis is 14 points higher.
Rapid City: Wildfire exposure derived from ingested fire potential tiles.
St. Francis: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Rapid City: 28/100 · St. Francis: 25/100
Rapid City is 3 points higher.
Rapid City: Air quality signal derived from the latest EPA AirNow combined AQI grid.
St. Francis: Air quality signal derived from the latest EPA AirNow combined AQI grid.