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EF1 tornado in McLean County, Illinois

Tornado December 28, 2025 · McLean County, Illinois

EF1
Rating
0.9 mi
Path length
30 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 30 yards (0.02 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

A tornado touched down about 3 miles east-southeast of Saybrook at 3:24 PM CST. The tornado destroyed a large outbuilding, throwing the debris to the east-northeast. It then quickly dissipated before reaching the Ford County line at 3:25 PM CST.

The wider storm

The airmass continued to destabilize across central Illinois during the afternoon of December 28th as high temperatures reached record values in the upper 60s to around 70 degrees and dewpoints hovered in the lower to middle 60s. Thanks to the high degree of instability and shear, a line of thunderstorms rapidly formed along an advancing cold front near the I-55 corridor by early afternoon. The storms then pushed eastward, producing 3 tornadoes and scattered damaging winds eastward to the Indiana border. The most significant tornado was rated EF-2 and caused considerable property damage just south of Decatur in Macon County.

Began near Saybrook (40.4168, -88.4778).

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 1305603. Narratives are written by the National Weather Service forecast office that issued the report.

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