Verified storm · closed
100 mph wind verified in Harding County, SD — August 30, 2026
Verified against measured NWS storm reports — ground-truth wind measurements, not radar hail estimates, and never forecasts.
Storm stats
| County | Harding County, SD |
|---|---|
| Max wind (NWS reports) | 100 mph |
| Swath area | 85 mi² (221 km²) |
| First radar detection | 2026-08-30 21:19 UTC |
| Last radar detection | 2026-08-30 21:31 UTC |
| Verified | 2026-08-30 21:35 UTC |
| Swath centroid | 45.5812, -103.6762 |
| Storm ID | sw_d6f3913c |
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Harding County, SD — verified storm record
Swath has 61 radar-verified hail storms on record for Harding County, SD going back to July 2025, the largest measuring 5.11″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.
