1.25-inch hail reported 2 mi NNE of Rochester
Broadcast Media reported half dollar sized hail 2 miles north-northeast of Rochester.
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TPO is a heat-welded single-ply membrane common on commercial and low-slope roofs. It is white and reflective, and seam quality is what mostly decides its lifespan.
For Olmsted County, NOAA lists 15 hail reports (largest 1.75 in), 15 damaging-wind reports (up to 70 mph) and 4 tornado reports from January 2024 to June 2026. These count reports, not damaged roofs.
Broadcast Media reported half dollar sized hail 2 miles north-northeast of Rochester.
This EF-1 tornado began in northeast portions of Rochester resulting in minor roof damage to a couple of homes before moving northeast through rural portions of Olmsted County, damaging trees and a few electrical poles before moving...
This strong EF-2 tornado began on the northeast side of Stewartville resulting in damage to several homes. The tornado then moved northeast through rural areas of Olmsted County while being highly visible on MNDOT cameras and from...
Source: NOAA NCEI Storm Events Database, data through Jun 30, 2026. All storm reports for Oronoco
| Job | Typical US range |
|---|---|
| Flat roof (TPO / EPDM), average home | $5,000 – $12,000 |
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.
A thermoplastic polyolefin single-ply membrane whose seams are heat-welded; common on flat commercial roofs.
Both work. TPO is heat-welded and reflective; EPDM is a rubber membrane with glued or taped seams. Installer experience matters more than the name.
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 Olmsted County building department for local rules.
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