City vs city
McHenry vs Spring Grove, IL
McHenry currently scores 8 points higher overall than Spring Grove, with the largest gap 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
McHenry: 38/100 · Spring Grove: 30/100
McHenry is 8 points higher.
Flood
McHenry: 56/100 · Spring Grove: 0/100
McHenry is 56 points higher.
McHenry: FEMA NFHL flood zones: 10 features intersect this tile.
Spring Grove: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
McHenry: 16/100 · Spring Grove: 16/100
No gap.
McHenry: Wind exposure derived from ingested design wind / climatology tiles.
Spring Grove: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
McHenry: 61/100 · Spring Grove: 64/100
Spring Grove is 3 points higher.
McHenry: Lightning exposure derived from ingested climatology tiles.
Spring Grove: Lightning exposure derived from ingested climatology tiles.
Tornado
McHenry: 23/100 · Spring Grove: 0/100
McHenry is 23 points higher.
McHenry: Tornado risk derived from NOAA SPC historical reports.
Spring Grove: Tornado risk derived from NOAA SPC historical reports.
Hail
McHenry: 51/100 · Spring Grove: 42/100
McHenry is 9 points higher.
McHenry: Hail risk derived from NOAA SPC historical reports.
Spring Grove: Hail risk derived from NOAA SPC historical reports.
Storm surge
McHenry: Unavailable · Spring Grove: Unavailable
A score difference cannot be calculated without both sources.
McHenry: Storm surge model is not available for this location yet.
Spring Grove: Storm surge model is not available for this location yet.
Wildfire
McHenry: 36/100 · Spring Grove: 37/100
Spring Grove is 1 points higher.
McHenry: Wildfire exposure derived from ingested fire potential tiles.
Spring Grove: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
McHenry: 22/100 · Spring Grove: 22/100
No gap.
McHenry: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Spring Grove: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.