Verified storm · closed
1–1.3" hail crossed Sioux County, IA — September 5, 2026
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | Sioux County, IA |
|---|---|
| Max hail (MESH) | 1.3" |
| Mean hail (MESH) | 1" |
| Swath area | 49 mi² (127 km²) |
| Radar cells (~1 km grid) | 141 |
| First radar detection | 2026-09-05 11:02 UTC |
| Last radar detection | 2026-09-05 13:18 UTC |
| Verified | 2026-09-05 11:03 UTC |
| Swath centroid | 43.1408, -96.4190 |
| Storm ID | sw_0acd3f7d |
Address lookup — $8
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Sioux County, IA — verified storm record
Swath has 16 radar-verified hail storms on record for Sioux County, IA going back to July 2025, the largest measuring 4.83″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.
