60 mph measured gust 1 mi SW of (Gtf)Great Falls Arpt
ASOS station KGTF Great Falls Airport thunderstorm wind gust. Social media relayed a report of wind damage to a home roof and a barn roof in Great Falls due to thunderstorm winds.
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Flat and low-slope roofs hold water longer, so small defects in the membrane, seams or drains turn into leaks quickly. Common membranes are TPO, EPDM, modified bitumen and built-up roofing.
For Cascade County, NOAA lists 14 hail reports (largest 1.5 in), 34 damaging-wind reports (up to 68 mph) and 0 tornado reports from January 2024 to June 2026. These count reports, not damaged roofs.
ASOS station KGTF Great Falls Airport thunderstorm wind gust. Social media relayed a report of wind damage to a home roof and a barn roof in Great Falls due to thunderstorm winds.
Ambient weather station. Sustained winds were 55 mph at the time of observation.
Public reported 1 inch hail. Time of report estimated via radar.
Source: NOAA NCEI Storm Events Database, data through Jun 30, 2026. All storm reports for Black Eagle
| Job | Typical US range |
|---|---|
| Flat roof (TPO / EPDM), average home | $5,000 – $12,000 |
| Minor roof repair (leak, flashing, a few shingles) | $350 – $1,500 |
| Larger repair or partial re-roof | $1,500 – $5,000 |
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.
Ponding water, failed seams, punctures, worn flashing and clogged drains are the usual causes.
Localized damage can be patched. If the membrane is old or wet insulation is widespread, replacement or a recover system may be the better value.
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 Cascade 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.
