City vs city
Great Falls vs Harlowton, MT
Great Falls currently scores 2 points higher overall than Harlowton, 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 · Harlowton: 30/100
Great Falls is 2 points higher.
Flood
Great Falls: 30/100 · Harlowton: 31/100
Harlowton is 1 points higher.
Great Falls: FEMA NFHL flood zones: 4 features intersect this tile.
Harlowton: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Great Falls: 16/100 · Harlowton: 16/100
No gap.
Great Falls: Wind exposure derived from ingested design wind / climatology tiles.
Harlowton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Great Falls: 11/100 · Harlowton: 15/100
Harlowton is 4 points higher.
Great Falls: Lightning exposure derived from ingested climatology tiles.
Harlowton: Lightning exposure derived from ingested climatology tiles.
Tornado
Great Falls: 8/100 · Harlowton: 4/100
Great Falls is 4 points higher.
Great Falls: Tornado risk derived from NOAA SPC historical reports.
Harlowton: Tornado risk derived from NOAA SPC historical reports.
Hail
Great Falls: 100/100 · Harlowton: 100/100
No gap.
Great Falls: Hail risk derived from NOAA SPC historical reports.
Harlowton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Great Falls: Unavailable · Harlowton: Unavailable
A score difference cannot be calculated without both sources.
Great Falls: Storm surge model is not available for this location yet.
Harlowton: Storm surge model is not available for this location yet.
Wildfire
Great Falls: 33/100 · Harlowton: 27/100
Great Falls is 6 points higher.
Great Falls: Wildfire exposure derived from ingested fire potential tiles.
Harlowton: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Great Falls: 29/100 · Harlowton: 14/100
Great Falls is 15 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.
Harlowton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.