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Oswego, Illinois · Kendall County

Oswego’s storms, 2025–2026: a tree damage recap

Two summers, two rounds of downed limbs. Here’s what the Weather Service and local reporters recorded around Oswego, and a few calm lessons for the trees in your yard.

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Some background: 2020

The Aug. 10, 2020 derecho is the storm many Oswego neighbors still compare everything to. NWS storm data logged siding damage and small limbs down about 4.6 miles east-southeast of Oswego, and nickel- to quarter-size hail in town (NWS Storm Data). An EF-1 tornado that day ran from the south side of Yorkville toward south Plainfield, peaking near 105 mph, mostly as tree damage (NWS Chicago).

July 16, 2025: afternoon line of storms

NWS says the most notable wind damage that day ran across the middle of the metro, from northern Kendall County through DuPage and into Cook (NWS Chicago). Its storm reports around Oswego, all from mid-afternoon (same source):

West of town

A 6 to 8 inch hardwood snapped in half about 3 miles west of Oswego, and trees fell on power lines along Meadowview Lane north of Yorkville.

In Oswego

A 15-inch branch snapped, and police reported trees down blocking parts of the roadway.

Boulder Hill

Trees down and blocking Long Beach Drive, and branches down on cars.

Aug. 11, 2026: the derecho and the Oswego tornado

The big one. NWS Chicago describes swaths of 70 to locally 100-plus mph straight-line winds across northeastern Illinois, and 8 confirmed tornadoes in its area (NWS Chicago). The first on its list was ours:

  • The track. An EF-0 tornado began near Bristol Ridge Road northwest of US 34, crossed the Fox River, caused intermittent tree damage through several subdivisions near Grove Road, and lifted near Douglas Road just south of Collins Road (same source).
  • The numbers. Peak winds near 75 mph, peak width 150 yards, path length 5.2 miles (same source).
  • Around it. NWS reports include branches down north-northwest of Oswego, 6 to 8 inch branches down on the north side of Boulder Hill, a 65 mph gust on a private station near town, an 85 mph gust at Aurora Airport in Sugar Grove, and 1 to 2 inches of water at Routes 30 and 34 (same source).

Shaw Local reported flooded streets in the Kingsbrook Crossing subdivision, most closed roads in Oswego reopened by evening, and the Oswego Fire Protection District handling 11 power line-related calls that day. Kendall County residents with damage could self-report it to the county Emergency Management Agency (Shaw Local).

Gentle lessons from the record

These are our own reading of the reports above, not an engineering study:

  1. Limbs, more than whole trees. Nearly every Oswego entry is a branch: 6 inches, 8 inches, 15 inches. One heavy limb over a roof, car or driveway is worth a look before summer.
  2. Wires come down with them. Trees on lines show up in 2025 and 2026 alike. ComEd's trimming options are in our ComEd tree-trimming guide.
  3. Wind and water arrive together. The same morning brought flooding. Riverside yards should read our Fox River floodplain guide.
  4. Book the calm-weather work. After a storm, every crew is busy. Pruning and removals planned in fall or winter usually go smoother.

Who handles what

Parkway trees

The Village's. Call Public Works at 630-554-3242 (Village of Oswego).

Lines

ComEd moves branches off the wires and leaves them on the ground; disposal is yours (ComEd).

Your yard

Private trees are the owner's. Start with our storm cleanup checklist or tree removal in Oswego.

Where this came from

Every page below was opened and read on Nov. 4, 2026. Programs change, so check the Village or Township before you plan around a date.

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Questions

Quick answers

Was there a tornado in Oswego in 2026?
Yes. NWS Chicago confirmed an EF-0 tornado on Aug. 11, 2026 with peak winds near 75 mph and a 5.2-mile path from near Bristol Ridge Road across the Fox River to near Douglas Road.
What did the July 2025 storm do in Oswego?
NWS reports include a 15-inch branch snapped in town, trees blocking roads, and trees down across Long Beach Drive near Boulder Hill.
Who removes a parkway tree that falls in a storm?
The Village of Oswego. Call Public Works at 630-554-3242.
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