City vs city
Marshall vs Walnut Grove, MN
Marshall currently scores 4 points higher overall than Walnut Grove, 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
Marshall: 35/100 · Walnut Grove: 31/100
Marshall is 4 points higher.
Flood
Marshall: 36/100 · Walnut Grove: 41/100
Walnut Grove is 5 points higher.
Marshall: FEMA NFHL flood zones: 10 features intersect this tile.
Walnut Grove: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Marshall: 19/100 · Walnut Grove: 19/100
No gap.
Marshall: Wind exposure derived from ingested design wind / climatology tiles.
Walnut Grove: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Marshall: 49/100 · Walnut Grove: 54/100
Walnut Grove is 5 points higher.
Marshall: Lightning exposure derived from ingested climatology tiles.
Walnut Grove: Lightning exposure derived from ingested climatology tiles.
Tornado
Marshall: 15/100 · Walnut Grove: 0/100
Marshall is 15 points higher.
Marshall: Tornado risk derived from NOAA SPC historical reports.
Walnut Grove: Tornado risk derived from NOAA SPC historical reports.
Hail
Marshall: 100/100 · Walnut Grove: 40/100
Marshall is 60 points higher.
Marshall: Hail risk derived from NOAA SPC historical reports.
Walnut Grove: Hail risk derived from NOAA SPC historical reports.
Storm surge
Marshall: Unavailable · Walnut Grove: Unavailable
A score difference cannot be calculated without both sources.
Marshall: Storm surge model is not available for this location yet.
Walnut Grove: Storm surge model is not available for this location yet.
Wildfire
Marshall: 8/100 · Walnut Grove: 9/100
Walnut Grove is 1 points higher.
Marshall: Wildfire exposure derived from ingested fire potential tiles.
Walnut Grove: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Marshall: 21/100 · Walnut Grove: 21/100
No gap.
Marshall: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Walnut Grove: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.