City vs city
Great Falls vs Lewistown Heights, MT
Lewistown Heights currently scores 1 points higher overall than Great Falls, with the largest gap in ingested air quality.
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 · Lewistown Heights: 33/100
Lewistown Heights is 1 points higher.
Flood
Great Falls: 30/100 · Lewistown Heights: 32/100
Lewistown Heights is 2 points higher.
Great Falls: FEMA NFHL flood zones: 4 features intersect this tile.
Lewistown Heights: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Great Falls: 16/100 · Lewistown Heights: 17/100
Lewistown Heights is 1 points higher.
Great Falls: Wind exposure derived from ingested design wind / climatology tiles.
Lewistown Heights: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Great Falls: 11/100 · Lewistown Heights: 21/100
Lewistown Heights is 10 points higher.
Great Falls: Lightning exposure derived from ingested climatology tiles.
Lewistown Heights: Lightning exposure derived from ingested climatology tiles.
Tornado
Great Falls: 8/100 · Lewistown Heights: 19/100
Lewistown Heights is 11 points higher.
Great Falls: Tornado risk derived from NOAA SPC historical reports.
Lewistown Heights: Tornado risk derived from NOAA SPC historical reports.
Hail
Great Falls: 100/100 · Lewistown Heights: 93/100
Great Falls is 7 points higher.
Great Falls: Hail risk derived from NOAA SPC historical reports.
Lewistown Heights: Hail risk derived from NOAA SPC historical reports.
Storm surge
Great Falls: Unavailable · Lewistown Heights: Unavailable
A score difference cannot be calculated without both sources.
Great Falls: Storm surge model is not available for this location yet.
Lewistown Heights: Storm surge model is not available for this location yet.
Wildfire
Great Falls: 33/100 · Lewistown Heights: 34/100
Lewistown Heights is 1 points higher.
Great Falls: Wildfire exposure derived from ingested fire potential tiles.
Lewistown Heights: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Great Falls: 29/100 · Lewistown Heights: 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.
Lewistown Heights: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.