Verified storm · active
65 mph wind verified in Custer County, SD — July 29, 2026
Verified against measured NWS storm reports — ground-truth wind measurements, not radar hail estimates, and never forecasts.
Storm stats
| County | Custer County, SD |
|---|---|
| Max wind (NWS reports) | 65 mph |
| Swath area | 90 mi² (233 km²) |
| First radar detection | 2026-07-29 01:18 UTC |
| Last radar detection | 2026-07-29 02:18 UTC |
| Verified | 2026-07-29 01:34 UTC |
| Swath centroid | 43.7337, -103.3606 |
| Storm ID | sw_d1838ceb |
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Custer County, SD — verified storm record
Swath has 40 radar-verified hail storms on record for Custer County, SD going back to July 2025, the largest measuring 4.59″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.