City vs city
Idaho Springs vs Thornton, CO
Thornton currently scores 12 points higher overall than Idaho Springs, 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
Idaho Springs: 36/100 · Thornton: 48/100
Thornton is 12 points higher.
Flood
Idaho Springs: 36/100 · Thornton: 54/100
Thornton is 18 points higher.
Idaho Springs: FEMA NFHL flood zones: 5 features intersect this tile.
Thornton: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Idaho Springs: 15/100 · Thornton: 15/100
No gap.
Idaho Springs: Wind exposure derived from ingested design wind / climatology tiles.
Thornton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Idaho Springs: 29/100 · Thornton: 32/100
Thornton is 3 points higher.
Idaho Springs: Lightning exposure derived from ingested climatology tiles.
Thornton: Lightning exposure derived from ingested climatology tiles.
Tornado
Idaho Springs: 0/100 · Thornton: 27/100
Thornton is 27 points higher.
Idaho Springs: Tornado risk derived from NOAA SPC historical reports.
Thornton: Tornado risk derived from NOAA SPC historical reports.
Hail
Idaho Springs: 41/100 · Thornton: 100/100
Thornton is 59 points higher.
Idaho Springs: Hail risk derived from NOAA SPC historical reports.
Thornton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Idaho Springs: Unavailable · Thornton: Unavailable
A score difference cannot be calculated without both sources.
Idaho Springs: Storm surge model is not available for this location yet.
Thornton: Storm surge model is not available for this location yet.
Wildfire
Idaho Springs: 67/100 · Thornton: 75/100
Thornton is 8 points higher.
Idaho Springs: Wildfire exposure derived from ingested fire potential tiles.
Thornton: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Idaho Springs: 28/100 · Thornton: 31/100
Thornton is 3 points higher.
Idaho Springs: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Thornton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.