City vs city
Cottage Grove vs Sun Prairie, WI
Cottage Grove and Sun Prairie 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 is a current EPA AirNow signal; 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
Cottage Grove: 43/100 · Sun Prairie: 43/100
No gap.
Flood
Cottage Grove: 51/100 · Sun Prairie: 54/100
Sun Prairie is 3 points higher.
Cottage Grove: FEMA NFHL flood zones: 8 features intersect this tile.
Sun Prairie: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Cottage Grove: 16/100 · Sun Prairie: 16/100
No gap.
Cottage Grove: Wind exposure derived from ingested design wind / climatology tiles.
Sun Prairie: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Cottage Grove: 48/100 · Sun Prairie: 45/100
Cottage Grove is 3 points higher.
Cottage Grove: Lightning exposure derived from ingested climatology tiles.
Sun Prairie: Lightning exposure derived from ingested climatology tiles.
Tornado
Cottage Grove: 19/100 · Sun Prairie: 19/100
No gap.
Cottage Grove: Tornado risk derived from NOAA SPC historical reports.
Sun Prairie: Tornado risk derived from NOAA SPC historical reports.
Hail
Cottage Grove: 100/100 · Sun Prairie: 100/100
No gap.
Cottage Grove: Hail risk derived from NOAA SPC historical reports.
Sun Prairie: Hail risk derived from NOAA SPC historical reports.
Storm surge
Cottage Grove: Unavailable · Sun Prairie: Unavailable
A score difference cannot be calculated without both sources.
Cottage Grove: Storm surge model is not available for this location yet.
Sun Prairie: Storm surge model is not available for this location yet.
Wildfire
Cottage Grove: 45/100 · Sun Prairie: 44/100
Cottage Grove is 1 points higher.
Cottage Grove: Wildfire exposure derived from ingested fire potential tiles.
Sun Prairie: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Cottage Grove: 21/100 · Sun Prairie: 21/100
No gap.
Cottage Grove: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Sun Prairie: Air quality signal derived from the latest EPA AirNow combined AQI grid.