City vs city
Saint Clair vs Weldon Spring, MO
Weldon Spring currently scores 8 points higher overall than Saint Clair, 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
Saint Clair: 40/100 · Weldon Spring: 48/100
Weldon Spring is 8 points higher.
Flood
Saint Clair: 51/100 · Weldon Spring: 46/100
Saint Clair is 5 points higher.
Saint Clair: FEMA NFHL flood zones: 10 features intersect this tile.
Weldon Spring: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Saint Clair: 16/100 · Weldon Spring: 16/100
No gap.
Saint Clair: Wind exposure derived from ingested design wind / climatology tiles.
Weldon Spring: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Saint Clair: 52/100 · Weldon Spring: 45/100
Saint Clair is 7 points higher.
Saint Clair: Lightning exposure derived from ingested climatology tiles.
Weldon Spring: Lightning exposure derived from ingested climatology tiles.
Tornado
Saint Clair: 12/100 · Weldon Spring: 69/100
Weldon Spring is 57 points higher.
Saint Clair: Tornado risk derived from NOAA SPC historical reports.
Weldon Spring: Tornado risk derived from NOAA SPC historical reports.
Hail
Saint Clair: 84/100 · Weldon Spring: 100/100
Weldon Spring is 16 points higher.
Saint Clair: Hail risk derived from NOAA SPC historical reports.
Weldon Spring: Hail risk derived from NOAA SPC historical reports.
Storm surge
Saint Clair: Unavailable · Weldon Spring: Unavailable
A score difference cannot be calculated without both sources.
Saint Clair: Storm surge model is not available for this location yet.
Weldon Spring: Storm surge model is not available for this location yet.
Wildfire
Saint Clair: 41/100 · Weldon Spring: 33/100
Saint Clair is 8 points higher.
Saint Clair: Wildfire exposure derived from ingested fire potential tiles.
Weldon Spring: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Saint Clair: 27/100 · Weldon Spring: 28/100
Weldon Spring is 1 points higher.
Saint Clair: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Weldon Spring: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.