68 mph measured gust 3 mi N of (Mws)Mt Wilson
Strong thunderstorm winds, gusting to 78 MPH, were reported at the Barley Flats Road sensor.
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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 Los Angeles County, NOAA lists 5 hail reports (largest 1 in), 41 damaging-wind reports (up to 70 mph) and 1 tornado report from January 2024 to June 2026. These count reports, not damaged roofs.
Strong thunderstorm winds, gusting to 78 MPH, were reported at the Barley Flats Road sensor.
Strong thunderstorm winds, gusting to 67 MPH, were reported at the Clear Creek RAWS.
Strong thunderstorm winds, gusting to 70 MPH, were reported at the Magic Mountain Truck Trail sensor.
Source: NOAA NCEI Storm Events Database, data through Jun 30, 2026. All storm reports for Commerce
| 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 Los Angeles County building department for local rules.
Yes. RoofersNearMeHub is free for homeowners. Roofing companies that receive your request may pay us for the introduction; you are never obliged to hire anyone.
