Verified storm · closed
1.1–1.6" hail crossed Chouteau County, MT — September 7, 2026
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | Chouteau County, MT |
|---|---|
| Max hail (MESH) | 1.6" |
| Mean hail (MESH) | 1.1" |
| Swath area | 25 mi² (64 km²) |
| Radar cells (~1 km grid) | 76 |
| First radar detection | 2026-09-07 02:00 UTC |
| Last radar detection | 2026-09-07 03:26 UTC |
| Verified | 2026-09-07 02:02 UTC |
| Swath centroid | 47.5179, -110.0762 |
| Storm ID | sw_3cc94108 |
Address lookup — $8
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Chouteau County, MT — verified storm record
Swath has 19 radar-verified hail storms on record for Chouteau County, MT going back to July 2025, the largest measuring 2.66″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.
