Verified storm · closed
1.4–2.2" hail crossed Sweet Grass County, MT — July 29, 2025
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | Sweet Grass County, MT |
|---|---|
| Max hail (MESH) | 2.2" |
| Mean hail (MESH) | 1.4" |
| Swath area | 37 mi² (95 km²) |
| Radar cells (~1 km grid) | 178 |
| First radar detection | 2025-07-29 23:00 UTC |
| Last radar detection | 2025-07-30 00:00 UTC |
| Verified | 2025-07-29 23:00 UTC |
| Swath centroid | 45.9411, -109.7755 |
| Storm ID | sw_0d1c660a |
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