Tornado 4 mi ESE of Riverdale
A brief stovepipe tornado was observed southwest of Riverdale. No known damage to evaluate and no other information available. By National Weather Service policy the tornado is rated EF-U (Unknown).
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Most roof repairs are small jobs: a few lifted shingles, cracked flashing around a chimney or vent, or a worn pipe boot. Caught early they cost a fraction of a replacement; left alone, water gets into the decking and insulation.
For McLean County, NOAA lists 17 hail reports (largest 2.5 in), 32 damaging-wind reports (up to 87 mph) and 5 tornado reports from January 2024 to June 2026. These count reports, not damaged roofs.
A brief stovepipe tornado was observed southwest of Riverdale. No known damage to evaluate and no other information available. By National Weather Service policy the tornado is rated EF-U (Unknown).
Personal weather station reported wind gusts up to 70 mph.
The tornado touched down about a mile west of Mercer near a farmstead which it then passed through. At this farmstead, the tornado caused extensive tree damage to the property with many branches and trees snapped, and a large tree...
Source: NOAA NCEI Storm Events Database, data through Jun 30, 2026. All storm reports for Mercer
| Job | Typical US range |
|---|---|
| Minor roof repair (leak, flashing, a few shingles) | $350 – $1,500 |
| Larger repair or partial re-roof | $1,500 – $5,000 |
| Emergency tarp / temporary cover | $300 – $1,500 |
National planning ranges for an average ~2,000 sq ft home, not quotes. Local labor, roof pitch, layers to remove, materials and permits change the price.
Typical repairs are done in a few hours to a day. Larger repairs or ones that wait for dry weather can take longer.
If damage is limited and the rest of the roof is in good shape, repair is usually the cheaper choice. If the roof is near the end of its life or damage is widespread, a replacement often costs less over time.
Many cities and counties require a building permit for roof work; the roofing company normally pulls it. Ask who is responsible and request a copy. Check with the McLean County building department for local rules.
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