City vs city
Butte vs Sun Prairie, MT
Sun Prairie currently scores 8 points higher overall than Butte, 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
Butte: 21/100 · Sun Prairie: 29/100
Sun Prairie is 8 points higher.
Flood
Butte: 28/100 · Sun Prairie: 40/100
Sun Prairie is 12 points higher.
Butte: FEMA NFHL flood zones: 4 features intersect this tile.
Sun Prairie: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Butte: 14/100 · Sun Prairie: 15/100
Sun Prairie is 1 points higher.
Butte: Wind exposure derived from ingested design wind / climatology tiles.
Sun Prairie: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Butte: 7/100 · Sun Prairie: 12/100
Sun Prairie is 5 points higher.
Butte: Lightning exposure derived from ingested climatology tiles.
Sun Prairie: Lightning exposure derived from ingested climatology tiles.
Tornado
Butte: 0/100 · Sun Prairie: 0/100
No gap.
Butte: Tornado risk derived from NOAA SPC historical reports.
Sun Prairie: Tornado risk derived from NOAA SPC historical reports.
Hail
Butte: 5/100 · Sun Prairie: 43/100
Sun Prairie is 38 points higher.
Butte: Hail risk derived from NOAA SPC historical reports.
Sun Prairie: Hail risk derived from NOAA SPC historical reports.
Storm surge
Butte: Unavailable · Sun Prairie: Unavailable
A score difference cannot be calculated without both sources.
Butte: Storm surge model is not available for this location yet.
Sun Prairie: Storm surge model is not available for this location yet.
Wildfire
Butte: 56/100 · Sun Prairie: 33/100
Butte is 23 points higher.
Butte: Wildfire exposure derived from ingested fire potential tiles.
Sun Prairie: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Butte: 17/100 · Sun Prairie: 29/100
Sun Prairie is 12 points higher.
Butte: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Sun Prairie: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.