City vs city
Rocky Boy West vs St. Pierre, MT
Rocky Boy West and St. Pierre are tied on overall score, with the biggest factor difference 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
Rocky Boy West: 17/100 · St. Pierre: 17/100
No gap.
Flood
Rocky Boy West: Unavailable · St. Pierre: Unavailable
A score difference cannot be calculated without both sources.
Rocky Boy West: Flood model is not available for this location yet.
St. Pierre: Flood model is not available for this location yet.
Wind
Rocky Boy West: 16/100 · St. Pierre: 16/100
No gap.
Rocky Boy West: Wind exposure derived from ingested design wind / climatology tiles.
St. Pierre: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Rocky Boy West: 12/100 · St. Pierre: 13/100
St. Pierre is 1 points higher.
Rocky Boy West: Lightning exposure derived from ingested climatology tiles.
St. Pierre: Lightning exposure derived from ingested climatology tiles.
Tornado
Rocky Boy West: 0/100 · St. Pierre: 0/100
No gap.
Rocky Boy West: Tornado risk derived from NOAA SPC historical reports.
St. Pierre: Tornado risk derived from NOAA SPC historical reports.
Hail
Rocky Boy West: 10/100 · St. Pierre: 2/100
Rocky Boy West is 8 points higher.
Rocky Boy West: Hail risk derived from NOAA SPC historical reports.
St. Pierre: Hail risk derived from NOAA SPC historical reports.
Storm surge
Rocky Boy West: Unavailable · St. Pierre: Unavailable
A score difference cannot be calculated without both sources.
Rocky Boy West: Storm surge model is not available for this location yet.
St. Pierre: Storm surge model is not available for this location yet.
Wildfire
Rocky Boy West: 52/100 · St. Pierre: 55/100
St. Pierre is 3 points higher.
Rocky Boy West: Wildfire exposure derived from ingested fire potential tiles.
St. Pierre: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Rocky Boy West: 14/100 · St. Pierre: 14/100
No gap.
Rocky Boy West: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
St. Pierre: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.