City vs city
Great Falls vs Heart Butte, MT
Great Falls currently scores 14 points higher overall than Heart 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
Great Falls: 32/100 · Heart Butte: 18/100
Great Falls is 14 points higher.
Flood
Great Falls: 30/100 · Heart Butte: 0/100
Great Falls is 30 points higher.
Great Falls: FEMA NFHL flood zones: 4 features intersect this tile.
Heart Butte: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
Great Falls: 16/100 · Heart Butte: 15/100
Great Falls is 1 points higher.
Great Falls: Wind exposure derived from ingested design wind / climatology tiles.
Heart Butte: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Great Falls: 11/100 · Heart Butte: 17/100
Heart Butte is 6 points higher.
Great Falls: Lightning exposure derived from ingested climatology tiles.
Heart Butte: Lightning exposure derived from ingested climatology tiles.
Tornado
Great Falls: 8/100 · Heart Butte: 0/100
Great Falls is 8 points higher.
Great Falls: Tornado risk derived from NOAA SPC historical reports.
Heart Butte: Tornado risk derived from NOAA SPC historical reports.
Hail
Great Falls: 100/100 · Heart Butte: 4/100
Great Falls is 96 points higher.
Great Falls: Hail risk derived from NOAA SPC historical reports.
Heart Butte: Hail risk derived from NOAA SPC historical reports.
Storm surge
Great Falls: Unavailable · Heart Butte: Unavailable
A score difference cannot be calculated without both sources.
Great Falls: Storm surge model is not available for this location yet.
Heart Butte: Storm surge model is not available for this location yet.
Wildfire
Great Falls: 33/100 · Heart Butte: 57/100
Heart Butte is 24 points higher.
Great Falls: Wildfire exposure derived from ingested fire potential tiles.
Heart Butte: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Great Falls: 29/100 · Heart Butte: 15/100
Great Falls is 14 points higher.
Great Falls: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Heart 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.