City vs city
Holts Summit vs Saint Clair, MO
Saint Clair currently scores 3 points higher overall than Holts Summit, with the largest gap in hail.
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
Holts Summit: 37/100 · Saint Clair: 40/100
Saint Clair is 3 points higher.
Flood
Holts Summit: 45/100 · Saint Clair: 51/100
Saint Clair is 6 points higher.
Holts Summit: FEMA NFHL flood zones: 7 features intersect this tile.
Saint Clair: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Holts Summit: 17/100 · Saint Clair: 16/100
Holts Summit is 1 points higher.
Holts Summit: Wind exposure derived from ingested design wind / climatology tiles.
Saint Clair: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Holts Summit: 42/100 · Saint Clair: 52/100
Saint Clair is 10 points higher.
Holts Summit: Lightning exposure derived from ingested climatology tiles.
Saint Clair: Lightning exposure derived from ingested climatology tiles.
Tornado
Holts Summit: 8/100 · Saint Clair: 12/100
Saint Clair is 4 points higher.
Holts Summit: Tornado risk derived from NOAA SPC historical reports.
Saint Clair: Tornado risk derived from NOAA SPC historical reports.
Hail
Holts Summit: 100/100 · Saint Clair: 84/100
Holts Summit is 16 points higher.
Holts Summit: Hail risk derived from NOAA SPC historical reports.
Saint Clair: Hail risk derived from NOAA SPC historical reports.
Storm surge
Holts Summit: Unavailable · Saint Clair: Unavailable
A score difference cannot be calculated without both sources.
Holts Summit: Storm surge model is not available for this location yet.
Saint Clair: Storm surge model is not available for this location yet.
Wildfire
Holts Summit: 33/100 · Saint Clair: 41/100
Saint Clair is 8 points higher.
Holts Summit: Wildfire exposure derived from ingested fire potential tiles.
Saint Clair: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Holts Summit: 13/100 · Saint Clair: 27/100
Saint Clair is 14 points higher.
Holts Summit: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
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.