Verified storm · closed
73 mph wind verified in Lewis and Clark County, MT — September 2, 2026
Verified against measured NWS storm reports — ground-truth wind measurements, not radar hail estimates, and never forecasts.
Storm stats
| County | Lewis and Clark County, MT |
|---|---|
| Max wind (NWS reports) | 73 mph |
| Swath area | 69 mi² (180 km²) |
| First radar detection | 2026-09-02 20:53 UTC |
| Last radar detection | 2026-09-02 21:15 UTC |
| Verified | 2026-09-02 21:01 UTC |
| Swath centroid | 46.5825, -111.9111 |
| Storm ID | sw_11ec8cfc |
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Lewis and Clark County, MT — verified storm record
Swath has 15 radar-verified hail storms on record for Lewis and Clark County, MT going back to July 2025, the largest measuring 3.04″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.
