Hail — Warren, Missouri

2025-05-16 · near Marthasville, Warren, Missouri

Event narrative

The Warren County emergency manager reported golf ball sized hail at Marthasville.

Wider weather episode

During the afternoon of May 16th, numerous supercells developed ahead of a cold front and within a favorable environment for high-end severe weather. These produced widespread severe weather including 2 to 2.5 inch hail, wind damage, and two tornadoes. One of these tornadoes ripped through St. Louis County and City, resulting in over $1 billion in damages and taking the lives of 4 individuals. Another lost his life to strong winds outside of the same tornadic supercell.

View location on OpenStreetMap → (38.6300, -91.0600)

Source: NOAA Storm Events Database, event_id 1256917. Narrative written by the NWS forecast office that issued the report.