Verified storm · closed
60 mph wind verified in Union County, IL — August 20, 2026
Verified against measured NWS storm reports — ground-truth wind measurements, not radar hail estimates, and never forecasts.
Storm stats
| County | Union County, IL |
|---|---|
| Max wind (NWS reports) | 60 mph |
| Swath area | 30 mi² (78 km²) |
| First radar detection | 2026-08-20 04:17 UTC |
| Last radar detection | 2026-08-20 04:17 UTC |
| Verified | 2026-08-20 04:26 UTC |
| Swath centroid | 37.4700, -89.2600 |
| Storm ID | sw_e2707c8a |
Address lookup — $8
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Union County, IL — verified storm record
Swath has 4 radar-verified hail storms on record for Union County, IL going back to August 2025, the largest measuring 1.69″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.