Thunderstorm Wind in Warren County, Illinois
Thunderstorm Wind June 17, 2026 · Warren County, Illinois
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
An NWS Storm Survey found widespread thunderstorm damaging winds of 80 to 100 mph occurred across Warren County, starting near Little York and tracking southeast through Ormonde. Through this stretch, widespread tree and utility pole damage was noted.
The wider storm
A strong storm system for mid-June brought two rounds of thunderstorm on Wednesday June 17th. The strongest round of storms occurred during the morning hours that brough damaging winds (some significant), heavy rain, and two EF-1 tornadoes in Illinois which occurred in Monmouth and Warsaw.
Many trees fell and power lines were damaged, along with several reports of flash flooding. There were also 4-5 train cars that were pushed off the railroad just south of Monmouth, IL in Warren County due to significant straight-line winds (estimated near 100 mph). Additional train cars derailed as a result of these cars being blown off.
Began near Nemo (40.8600, -90.6000).
Other tornadoes from the same storm system
2 more tornadoes the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 1337547. Narratives are written by the National Weather Service forecast office that issued the report.
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