Hail — O'brien, Iowa

2025-09-22 · near Sutherland, O'brien, Iowa

Event narrative

An extended period of hail fell with hail up to 2 inches in diameter from 1740 to 1750 CST. Hail was still falling at dime to nickel size as of 1809 CST.

Wider weather episode

An isolated thunderstorm developed along a slow-moving frontal boundary across northwest Iowa. Seasonally high instability (around 2000 J/kg MLCAPE) and weak shear led to very strong updrafts, producing large hail that caused significant damage to late season crops.

View location on OpenStreetMap → (43.0500, -95.4900)

Source: NOAA Storm Events Database, event_id 1292882. Narrative written by the NWS forecast office that issued the report.