City vs city
Great Falls vs Sand Coulee, MT
Great Falls currently scores 8 points higher overall than Sand Coulee, 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 · Sand Coulee: 24/100
Great Falls is 8 points higher.
Flood
Great Falls: 30/100 · Sand Coulee: 39/100
Sand Coulee is 9 points higher.
Great Falls: FEMA NFHL flood zones: 4 features intersect this tile.
Sand Coulee: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Great Falls: 16/100 · Sand Coulee: 16/100
No gap.
Great Falls: Wind exposure derived from ingested design wind / climatology tiles.
Sand Coulee: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Great Falls: 11/100 · Sand Coulee: 13/100
Sand Coulee is 2 points higher.
Great Falls: Lightning exposure derived from ingested climatology tiles.
Sand Coulee: Lightning exposure derived from ingested climatology tiles.
Tornado
Great Falls: 8/100 · Sand Coulee: 0/100
Great Falls is 8 points higher.
Great Falls: Tornado risk derived from NOAA SPC historical reports.
Sand Coulee: Tornado risk derived from NOAA SPC historical reports.
Hail
Great Falls: 100/100 · Sand Coulee: 17/100
Great Falls is 83 points higher.
Great Falls: Hail risk derived from NOAA SPC historical reports.
Sand Coulee: Hail risk derived from NOAA SPC historical reports.
Storm surge
Great Falls: Unavailable · Sand Coulee: Unavailable
A score difference cannot be calculated without both sources.
Great Falls: Storm surge model is not available for this location yet.
Sand Coulee: Storm surge model is not available for this location yet.
Wildfire
Great Falls: 33/100 · Sand Coulee: 30/100
Great Falls is 3 points higher.
Great Falls: Wildfire exposure derived from ingested fire potential tiles.
Sand Coulee: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Great Falls: 29/100 · Sand Coulee: 29/100
No gap.
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.
Sand Coulee: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.