EF1 Tornado — Mercer, Illinois

2025-06-03 · near Mannon, Mercer, Illinois

10.8 mi

Path length

250 yds

Path width

Event narrative

This long-lived EF1 tornado began west of the town of Joy and tracked through Millersburg and ended about a mile and a half west of Illinois 94. Significant damage to numerous trees as well as utility poles, along with minor outbuilding damage.

Wider weather episode

In the late afternoon of June 3rd, a line of thunderstorms developed in northeast Missouri, and spread into far southeast Iowa and Illinois. These storms rapidly became severe. The thunderstorms quickly moved northeast across southeast Iowa, west central, and northwest Illinois between 530 PM and 8 PM CDT. This line of storms produced 8 tornadoes, along with isolated pockets of higher end wind damage from estimated winds of 80 to 100 mph. A cluster of several tornadoes moved into the the southern portions of the Quad Cities IA/IL metro area, producing EF1 damage into Moline Illinois.

View location on OpenStreetMap → (41.2000, -90.9300)

Source: NOAA Storm Events Database, event_id 1261650. Narrative written by the NWS forecast office that issued the report.