Verified storm · active
1.1–2.5" hail crossed Waupaca County, WI — September 4, 2026
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | Waupaca County, WI |
|---|---|
| Max hail (MESH) | 2.5" |
| Mean hail (MESH) | 1.1" |
| Swath area | 197 mi² (511 km²) |
| Radar cells (~1 km grid) | 577 |
| First radar detection | 2026-09-04 05:18 UTC |
| Last radar detection | 2026-09-04 07:46 UTC |
| Verified | 2026-09-04 05:20 UTC |
| Swath centroid | 44.3349, -89.1676 |
| Storm ID | sw_59881bc3 |

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Waupaca County, WI — verified storm record
Swath has 7 radar-verified hail storms on record for Waupaca County, WI going back to August 2025, the largest measuring 2.51″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.