Verified storm · closed
74 mph wind verified in Benton County, IA — July 20, 2026
Verified against measured NWS storm reports — ground-truth wind measurements, not radar hail estimates, and never forecasts.
Storm stats
| County | Benton County, IA |
|---|---|
| Max wind (NWS reports) | 74 mph |
| Swath area | 30 mi² (78 km²) |
| First radar detection | 2026-07-20 22:04 UTC |
| Last radar detection | 2026-07-20 22:04 UTC |
| Verified | 2026-07-20 22:26 UTC |
| Swath centroid | 42.0300, -91.9900 |
| Storm ID | sw_a56a1620 |
Address lookup — $8
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Benton County, IA — verified storm record
Swath has 14 radar-verified hail storms on record for Benton County, IA going back to July 2025, the largest measuring 2.28″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.