Verified storm · closed
1.4–2.8" hail crossed Custer County, MT — July 3, 2026
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | Custer County, MT |
|---|---|
| Max hail (MESH) | 2.8" |
| Mean hail (MESH) | 1.4" |
| Swath area | 193 mi² (500 km²) |
| Radar cells (~1 km grid) | 726 |
| First radar detection | 2026-07-03 03:00 UTC |
| Last radar detection | 2026-07-03 05:00 UTC |
| Verified | 2026-07-03 03:00 UTC |
| Swath centroid | 46.8240, -106.1097 |
| Storm ID | sw_2c703a8c |
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