City vs city
Madison vs Prairie du Sac, WI
Madison and Prairie du Sac are tied on overall score, with the biggest factor difference 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
Madison: 43/100 · Prairie du Sac: 43/100
No gap.
Flood
Madison: 84/100 · Prairie du Sac: 74/100
Madison is 10 points higher.
Madison: FEMA NFHL flood zones: 13 features intersect this tile.
Prairie du Sac: FEMA NFHL flood zones: 15 features intersect this tile.
Wind
Madison: 16/100 · Prairie du Sac: 16/100
No gap.
Madison: Wind exposure derived from ingested design wind / climatology tiles.
Prairie du Sac: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Madison: 46/100 · Prairie du Sac: 31/100
Madison is 15 points higher.
Madison: Lightning exposure derived from ingested climatology tiles.
Prairie du Sac: Lightning exposure derived from ingested climatology tiles.
Tornado
Madison: 23/100 · Prairie du Sac: 100/100
Prairie du Sac is 77 points higher.
Madison: Tornado risk derived from NOAA SPC historical reports.
Prairie du Sac: Tornado risk derived from NOAA SPC historical reports.
Hail
Madison: 100/100 · Prairie du Sac: 46/100
Madison is 54 points higher.
Madison: Hail risk derived from NOAA SPC historical reports.
Prairie du Sac: Hail risk derived from NOAA SPC historical reports.
Storm surge
Madison: Unavailable · Prairie du Sac: Unavailable
A score difference cannot be calculated without both sources.
Madison: Storm surge model is not available for this location yet.
Prairie du Sac: Storm surge model is not available for this location yet.
Wildfire
Madison: 14/100 · Prairie du Sac: 18/100
Prairie du Sac is 4 points higher.
Madison: Wildfire exposure derived from ingested fire potential tiles.
Prairie du Sac: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Madison: 21/100 · Prairie du Sac: 18/100
Madison is 3 points higher.
Madison: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Prairie du Sac: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.