City vs city
St. Peters vs Weldon Spring, MO
St. Peters and Weldon Spring are tied on overall score, with the biggest factor difference 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 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
St. Peters: 48/100 · Weldon Spring: 48/100
No gap.
Flood
St. Peters: 46/100 · Weldon Spring: 46/100
No gap.
St. Peters: FEMA NFHL flood zones: 13 features intersect this tile.
Weldon Spring: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
St. Peters: 16/100 · Weldon Spring: 16/100
No gap.
St. Peters: Wind exposure derived from ingested design wind / climatology tiles.
Weldon Spring: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
St. Peters: 45/100 · Weldon Spring: 45/100
No gap.
St. Peters: Lightning exposure derived from ingested climatology tiles.
Weldon Spring: Lightning exposure derived from ingested climatology tiles.
Tornado
St. Peters: 69/100 · Weldon Spring: 69/100
No gap.
St. Peters: Tornado risk derived from NOAA SPC historical reports.
Weldon Spring: Tornado risk derived from NOAA SPC historical reports.
Hail
St. Peters: 100/100 · Weldon Spring: 100/100
No gap.
St. Peters: Hail risk derived from NOAA SPC historical reports.
Weldon Spring: Hail risk derived from NOAA SPC historical reports.
Storm surge
St. Peters: Unavailable · Weldon Spring: Unavailable
A score difference cannot be calculated without both sources.
St. Peters: Storm surge model is not available for this location yet.
Weldon Spring: Storm surge model is not available for this location yet.
Wildfire
St. Peters: 33/100 · Weldon Spring: 33/100
No gap.
St. Peters: Wildfire exposure derived from ingested fire potential tiles.
Weldon Spring: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
St. Peters: 28/100 · Weldon Spring: 28/100
No gap.
St. Peters: 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.