Hail on July 31, 2026 — where it hit

9 National Weather Service hail reports were logged on July 31, 2026, the largest a reported 1.75″ stone, with 2 reports at damaging size (1.5″ or larger). Hardest-reported states: South Dakota (9). Every number below is the public record — reported sizes from spotters and radar-estimated swaths from NOAA MRMS, labeled as what they are.

9
NWS reports
1.75″
largest reported
2
reports ≥1.5″
✓
radar-estimated max
Open the radar swath map for July 31, 2026 →

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Questions about the July 31, 2026 hail

How big was the hail on July 31, 2026?

The largest reported stone on July 31, 2026 was 1.75 inches, among 9 reports nationwide. Radar (NOAA MRMS MESH) also estimated the swath footprint — an estimate, not a measurement.

Did the July 31, 2026 hail hit my address?

Use the hail map's address search: it lists every dated report within 25 miles of any US address and, for days in the radar archive, tests your exact point against the estimated swath — then prints a sourced report you can keep.

Sources: NWS Local Storm Reports via the Iowa Environmental Mesonet (reported sizes); NOAA MRMS MESH via Iowa State (radar-estimated swaths). Reported and estimated are different things and are labeled throughout. Compiled by Sigurd Lindquist · AGSIST · no charge, no login.