Verified storm · closed
60 mph wind verified in Fond du Lac County, WI — August 18, 2026
Verified against measured NWS storm reports — ground-truth wind measurements, not radar hail estimates, and never forecasts.
Storm stats
| County | Fond du Lac County, WI |
|---|---|
| Max wind (NWS reports) | 60 mph |
| Swath area | 30 mi² (78 km²) |
| First radar detection | 2026-08-18 21:46 UTC |
| Last radar detection | 2026-08-18 21:46 UTC |
| Verified | 2026-08-18 22:07 UTC |
| Swath centroid | 43.8000, -88.3800 |
| Storm ID | sw_4393afcf |
Address lookup — $8
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Fond du Lac County, WI — verified storm record
Swath has 8 radar-verified hail storms on record for Fond du Lac County, WI going back to June 2026, the largest measuring 3.29″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.