What to Do When Heavy Rain Causes a Roof Leak

Jason Hicks • October 1, 2026

Rain update, October 1, 2026: The National Weather Service in Fort Worth has a Flood Watch in effect through 7 a.m. Friday, October 2, for much of North and Central Texas, including Hunt, Collin, Dallas, Rockwall, Kaufman, Grayson, and Fannin counties. Forecasters expect widespread 2 to 4 inches of rain, with up to 6 inches in spots. No hail or damaging wind was reported in our area this past week, but long, soaking rains are when small roof problems show up. And please don't drive through flooded roads: Turn around, don't drown.

A quick shower rarely tells you much about your roof. A long, soaking North Texas rain does. When water falls for hours, it finds every weak spot, and a problem that's been building for months can turn into a drip in your living room overnight.

Roof leaking after heavy rain? Here's what's usually going on, what to do right away, and when to call for roof leak repair.

Why heavy rain exposes small roof problems

Most leaks start small, and steady rain pushes water into openings that stay dry in a quick storm. Common culprits:

Worn or loose flashing. The metal around chimneys, walls, and vents seals the joints in your roof. When it loosens or the sealant dries out, water gets underneath.
Lifted or missing shingles. A shingle that wind loosened months ago may look fine from the yard but let water run under it.
Cracked pipe boots. The rubber collars around plumbing vents dry out and crack in the Texas sun, leaving a gap right where a pipe goes through your roof.
Exposed nail heads and failed sealant. Small gaps add up.
Clogged gutters and valleys. When water can't drain, it backs up under the shingle edges.

Found a leak? Do these four things

1. Move valuables and catch the drip. Get furniture, electronics, and rugs out of the way, and put down a bucket or towels. If a ceiling is sagging or bulging with water, keep people and pets out from under it. If water is near a light fixture or outlet, turn off that circuit at the breaker if you can do it safely.

2. Photograph ceiling stains and water spots. Take pictures of every stain, drip, and wet spot, including in the attic if you can get there safely. Photos help us trace where the water is coming from. If you think the leak may be tied to storm damage, you'll also want them when you talk to your insurance company.

3. Stay off the roof. Wet shingles are slick, and a roof in the rain is no place for anyone without the right equipment. Don't climb up to look or to tarp it yourself; let a roofing crew handle it once the weather clears.

4. Call Right On Roofing. If you have an emergency roof leak, call us at (214) 585-7391 or request a free roof inspection. Active leaks get priority. Once it's safe to get on the roof, we'll find where the water is actually getting in, which often isn't directly above the stain, and show you photos of what we find. You'll get a clear, written estimate before any work begins, and most repairs are done in one day. Learn more about our roof repair and roof leak repair service.

Leak right now? Active leaks get priority. Call (214) 585-7391 or request a free inspection.

Leak or condensation?

Not every wet spot is a roof leak. A few clues:

Likely a leak: the spot shows up during or right after rain, grows with each storm, or sits near a chimney, vent, skylight, or valley.
Possibly condensation: moisture appears on cool mornings without rain, or attic nails and the underside of the decking look damp or rusty. That often points to attic ventilation or insulation, not a hole in the roof.
Something else: a dripping AC drain line or a plumbing leak can look a lot like a roof leak.

If you're not sure, have it checked.

When a leak means repair vs. replacement

If the rest of the roof is in good shape, most rain leaks can be fixed with a targeted roof leak repair: new or resealed flashing, a new pipe boot, or a few replacement shingles.

Replacement may make more sense when:

The roof is roughly 15 to 25+ years old, depending on the material
Leaks keep showing up in different areas
Shingles are curling, cracking, or missing across the roof
There's significant hail or wind damage

We'll give you a straight answer either way. If a repair will do the job, we'll tell you.

Local roof leak repair across North and East Texas

Right On Roofing is a small, locally owned and operated roofer, proudly serving Dallas and East Texas. Whether you're in Greenville, Rockwall, McKinney, Wylie, or Sherman, we can find the source of your leak and fix it right. Questions? Contact us or call (214) 585-7391.

Frequently asked questions

Should I put a tarp on my roof myself?

We don't recommend it. Wet roofs are dangerous. Catch the water inside, take photos, and call a roofer to handle it once it's safe.

Will my homeowners insurance cover a roof leak?

It depends on your policy and what caused the leak. Storm damage is often treated differently from wear and age. Your insurance company or agent can tell you what your policy covers. If you do file a claim, we can provide photos and documentation of what we find and meet your adjuster on-site.