Verified storm · closed
1.1–1.2" hail crossed Custer County, MT — July 30, 2025
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) | 1.2" |
| Mean hail (MESH) | 1.1" |
| Swath area | 1.4 mi² (4 km²) |
| Radar cells (~1 km grid) | 4 |
| First radar detection | 2025-07-30 01:00 UTC |
| Last radar detection | 2025-07-30 01:00 UTC |
| Verified | 2025-07-30 01:00 UTC |
| Swath centroid | 45.8725, -105.8525 |
| Storm ID | sw_5136a56e |
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