City vs city
Butte vs Great Falls, MT
Great Falls currently scores 11 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 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
Butte: 21/100 · Great Falls: 32/100
Great Falls is 11 points higher.
Flood
Butte: 28/100 · Great Falls: 30/100
Great Falls is 2 points higher.
Butte: FEMA NFHL flood zones: 4 features intersect this tile.
Great Falls: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Butte: 14/100 · Great Falls: 16/100
Great Falls is 2 points higher.
Butte: Wind exposure derived from ingested design wind / climatology tiles.
Great Falls: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Butte: 7/100 · Great Falls: 11/100
Great Falls is 4 points higher.
Butte: Lightning exposure derived from ingested climatology tiles.
Great Falls: Lightning exposure derived from ingested climatology tiles.
Tornado
Butte: 0/100 · Great Falls: 8/100
Great Falls is 8 points higher.
Butte: Tornado risk derived from NOAA SPC historical reports.
Great Falls: Tornado risk derived from NOAA SPC historical reports.
Hail
Butte: 5/100 · Great Falls: 100/100
Great Falls is 95 points higher.
Butte: Hail risk derived from NOAA SPC historical reports.
Great Falls: Hail risk derived from NOAA SPC historical reports.
Storm surge
Butte: Unavailable · Great Falls: Unavailable
A score difference cannot be calculated without both sources.
Butte: Storm surge model is not available for this location yet.
Great Falls: Storm surge model is not available for this location yet.
Wildfire
Butte: 56/100 · Great Falls: 33/100
Butte is 23 points higher.
Butte: Wildfire exposure derived from ingested fire potential tiles.
Great Falls: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Butte: 17/100 · Great Falls: 29/100
Great Falls is 12 points higher.
Butte: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Great Falls: Air quality signal derived from the latest EPA AirNow combined AQI grid.
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