Verified storm · closed

1.2–3.8" hail crossed Fergus County, MT — July 15, 2026

Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.

Storm stats

CountyFergus County, MT
Max hail (MESH)3.8"
Mean hail (MESH)1.2"
Swath area78 mi² (203 km²)
Radar cells (~1 km grid)251
First radar detection2026-07-15 01:00 UTC
Last radar detection2026-07-15 02:00 UTC
Verified2026-07-15 01:00 UTC
Swath centroid47.0395, -109.6711
Storm IDsw_507cc54d

Free address check

Was your address under this swath?

Enter any US address — we check it against every storm we've verified, this one included. Free, no login, storm history only.

US ADDRESSES · GEOCODED VIA US CENSUS · FULL HISTORY TOOL →

Every roof under this swath, one API call.

Get the property list for this storm — every affected parcel with roof age, owner-occupancy, and measured hail exposure. Free API key, 100 credits, no card.

curl "https://swathapi.com/v1/swaths/sw_507cc54d/properties?roof_age_min=10" \
  -H "Authorization: Bearer sk_..."
Get a free API key Read the docs

ASK CLAUDE OR CHATGPT ABOUT THIS STORM — SWATH WORKS INSIDE YOUR AI. CONNECT THE MCP SERVER

Want this every morning?

The Daily Swath — every verified storm, mapped, in your inbox at 9am ET.