Verified storm · closed
1.2–1.3" hail crossed Butler County, IA — August 11, 2026
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | Butler County, IA |
|---|---|
| Max hail (MESH) | 1.3" |
| Mean hail (MESH) | 1.2" |
| Swath area | 9.8 mi² (26 km²) |
| Radar cells (~1 km grid) | 28 |
| First radar detection | 2026-08-11 09:20 UTC |
| Last radar detection | 2026-08-11 10:26 UTC |
| Verified | 2026-08-11 09:22 UTC |
| Swath centroid | 42.5607, -92.8850 |
| Storm ID | sw_27ba4b71 |
Address lookup — $8
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Butler County, IA — verified storm record
Swath has 7 radar-verified hail storms on record for Butler County, IA going back to August 2025, the largest measuring 2.29″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.
