City vs city
St. Francis vs Yankton, SD
Yankton currently scores 8 points higher overall than St. Francis, with the largest gap in wildfire.
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
St. Francis: 40/100 · Yankton: 48/100
Yankton is 8 points higher.
Flood
St. Francis: Unavailable · Yankton: 50/100
A score difference cannot be calculated without both sources.
St. Francis: Flood model is not available for this location yet.
Yankton: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
St. Francis: 20/100 · Yankton: 21/100
Yankton is 1 points higher.
St. Francis: Wind exposure derived from ingested design wind / climatology tiles.
Yankton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
St. Francis: 25/100 · Yankton: 32/100
Yankton is 7 points higher.
St. Francis: Lightning exposure derived from ingested climatology tiles.
Yankton: Lightning exposure derived from ingested climatology tiles.
Tornado
St. Francis: 46/100 · Yankton: 31/100
St. Francis is 15 points higher.
St. Francis: Tornado risk derived from NOAA SPC historical reports.
Yankton: Tornado risk derived from NOAA SPC historical reports.
Hail
St. Francis: 93/100 · Yankton: 100/100
Yankton is 7 points higher.
St. Francis: Hail risk derived from NOAA SPC historical reports.
Yankton: Hail risk derived from NOAA SPC historical reports.
Storm surge
St. Francis: Unavailable · Yankton: Unavailable
A score difference cannot be calculated without both sources.
St. Francis: Storm surge model is not available for this location yet.
Yankton: Storm surge model is not available for this location yet.
Wildfire
St. Francis: 71/100 · Yankton: 54/100
St. Francis is 17 points higher.
St. Francis: Wildfire exposure derived from ingested fire potential tiles.
Yankton: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
St. Francis: 25/100 · Yankton: Unavailable
A score difference cannot be calculated without both sources.
St. Francis: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Yankton: Air quality model is not available for this location yet.