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EF1 tornado in Warren County, Illinois

Tornado June 3, 2025 · Warren County, Illinois

EF1
Rating
7.8 mi
Path length
50 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

An EF1 tornado with maximum wind speeds of 100 mph touched down on the south side of Monmouth, and move northeast through town, damaging trees, sheds, and a garage. A roof was torn off a mobile home, and roof damaged on a house. It continued northeast where it tore the roof off a shop building and damaged trees southeast of Gerlaw.

The wider storm

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.

Began near Monmouth (40.8900, -90.6400).

Other tornadoes from the same storm system

5 more tornadoes the National Weather Service filed under this storm episode.

EF1 Mercer CountyEF1 Mercer CountyEF1 Rock Island CountyEF1 Rock Island CountyEF1 Rock Island County

Source: NOAA Storm Events Database, event 1261652. Narratives are written by the National Weather Service forecast office that issued the report.

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