City vs city
Watertown vs Yankton, SD
Watertown currently scores 2 points higher overall than Yankton, 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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Watertown: 50/100 · Yankton: 48/100
Watertown is 2 points higher.
Flood
Watertown: 79/100 · Yankton: 50/100
Watertown is 29 points higher.
Watertown: FEMA NFHL flood zones: 8 features intersect this tile.
Yankton: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Watertown: 20/100 · Yankton: 21/100
Yankton is 1 points higher.
Watertown: Wind exposure derived from ingested design wind / climatology tiles.
Yankton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Watertown: 42/100 · Yankton: 32/100
Watertown is 10 points higher.
Watertown: Lightning exposure derived from ingested climatology tiles.
Yankton: Lightning exposure derived from ingested climatology tiles.
Tornado
Watertown: 0/100 · Yankton: 31/100
Yankton is 31 points higher.
Watertown: Tornado risk derived from NOAA SPC historical reports.
Yankton: Tornado risk derived from NOAA SPC historical reports.
Hail
Watertown: 100/100 · Yankton: 100/100
No gap.
Watertown: Hail risk derived from NOAA SPC historical reports.
Yankton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Watertown: Unavailable · Yankton: Unavailable
A score difference cannot be calculated without both sources.
Watertown: Storm surge model is not available for this location yet.
Yankton: Storm surge model is not available for this location yet.
Wildfire
Watertown: 38/100 · Yankton: 54/100
Yankton is 16 points higher.
Watertown: Wildfire exposure derived from ingested fire potential tiles.
Yankton: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Watertown: 21/100 · Yankton: Unavailable
A score difference cannot be calculated without both sources.
Watertown: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Yankton: Air quality model is not available for this location yet.