Tuesday’s high in Waco was 102°F. It’s September. Burn bans are back up across 207 Texas counties, and the rain from Edouard’s remnants last week didn’t come close to breaking the drought. So it’s a strange week to be talking about winter. Do it anyway, because of what forecasters are seeing in the Pacific. Prepare roof for winter, Central Texas.

NOAA’s Climate Prediction Center now puts the odds of a very strong El Niño this fall and winter above 90%. More striking: there’s roughly a 69% probability that the October-through-December peak exceeds any El Niño in the record going back to 1950, and a 97% chance the pattern holds through early spring 2027.

El Niño reliably does one thing to Texas: it strengthens the southern jet stream. That typically means an active storm track and wetter-than-normal conditions across the southern tier — and NOAA’s seasonal outlook currently favors exactly that for our part of the state.

A drought-damaged roof meets a wet winter

Your roof just spent three months in an oven. Central Texas ran triple digits deep into September, under flash drought conditions severe enough to keep most of the state under burn bans.

Heat does specific, predictable damage:

  • Pipe boots crack. The rubber collars around plumbing vents are the most common leak source on any residential roof, and UV is what kills them.
  • Sealant shrinks and pulls away from chimney flashing, wall transitions, and vents.
  • Shingles get brittle. Granule loss, oxidation, and months of daily thermal cycling fatigue the mat.
  • Fasteners back out as metal expands and contracts.

In a drought, none of that leaks. There’s no water to find it. The roof looks fine from the driveway because nothing has tested it.

Now put an active southern storm track over it for four months.

That’s the whole argument. Damage that was invisible all summer becomes expensive in a wet winter — not because the winter is unusually violent, but because rain is finally present to exploit it.

What forecasters actually agree and disagree on

Worth being straight about the limits here, because you’ll see confident headlines.

Broad agreement: El Niño is strong and strengthening, and it favors a wetter-than-normal winter across the southern U.S. That’s NOAA’s outlook, and it’s the part with real backing.

Disagreement: the two almanacs currently in the news contradict each other. The Farmers’ Almanac calls for a wet, stormy Texas winter. The Old Farmer’s Almanac calls for warmer and drier. They can’t both be right, and neither is a scientific forecast — treat them as entertainment.

Genuinely uncertain: temperature. NOAA’s signal for Texas is mixed, favoring near-normal, with recent warming trends offsetting El Niño’s usual cooling tilt. Nobody is predicting a freeze event. Anyone who tells you they know whether we’ll get another February 2021 is guessing.

Seasonal outlooks describe odds across months, not individual storms. The useful takeaway isn’t “a specific disaster is coming.” It’s that the probability of sustained wet weather is elevated, and your roof has unrepaired heat damage. Those two facts together are enough to act on.

The timing is unusually good, and it’s closing

Here’s the part that makes this worth reading in September rather than November.

Asphalt shingles seal properly between about 40°F and 85°F. Waco averages 91–96°F from June through September — above the range. Which means the good installation window is late October through November, and November is the single best month of the year here.

That window is roughly six to ten weeks out. Two things eat it:

Booking lead time. Good crews fill their fall calendars in September and early October. Waiting until you see rain in the forecast means taking whatever’s left.

The storm track itself. An active El Niño pattern means more rain days, and roofing work stops for rain. A wetter-than-normal fall compresses the number of workable days, which pushes schedules further.

If your roof needs work, the cheapest version of that decision is the one you make this month. Prepare roof for winter Central Texas.

What to check right now

Free ways to prepare roof for winter Central Texas, no contractor required:

  • Clear the gutters. Three months of dry debris has packed in tight. Full gutters send water behind the fascia rather than away from the house — and under a burn ban, this is one of the few yard tasks you can still do.
  • Inspect the attic with a flashlight. Old water stains on decking, daylight through the roof deck, or a musty smell all mean something.
  • Look at the ceilings inside. Faint stains near vents, chimneys, or exterior walls.
  • Check the seals around vents and flashing for gaps or shrinkage, if you can see them safely.

If you’d rather not deal with it, we’ll come look for free and tell you honestly whether anything needs doing.

Frequently Asked Questions

What is the Texas winter forecast for 2026-2027? NOAA’s Climate Prediction Center gives greater than 90% odds of a very strong El Niño through fall and winter, with roughly a 69% chance the October-through-December peak exceeds any El Niño since 1950. El Niño typically strengthens the southern jet stream, favoring an active storm track and wet conditions across Texas.

How do I prepare my roof for winter in Texas? Clear gutters of accumulated debris, check rubber pipe boots for heat cracking, inspect the attic with a flashlight for water stains or daylight, look for ceiling stains near vents and chimneys, and address any known leaks before sustained rain arrives. Summer heat damage is the main thing to look for in Central Texas, not cold damage.

Why does summer heat cause winter roof leaks? Sustained UV and heat degrade rubber pipe boots, shrink sealant at flashing, and make asphalt shingles brittle. During a drought there is no water to reveal those failures, so the roof appears fine. When rain returns, water finds every weakness the summer left.

When should I replace my roof before winter in Central Texas? Late October through November is the ideal window, with November the best month. Asphalt shingles seal properly between roughly 40°F and 85°F, and Waco averages 91 to 96°F from June through September. Book in September or early October.

Will Texas get another freeze like February 2021? No one knows. Seasonal outlooks describe probabilities across months, not individual storms, and NOAA’s temperature signal for Texas this winter is mixed rather than pointing clearly cold. Preparing a roof for rain is worthwhile regardless of whether a freeze event occurs.

Do the Farmers’ Almanac winter predictions matter? The two publications currently disagree — the Farmers’ Almanac forecasts a wet and stormy Texas winter while the Old Farmer’s Almanac forecasts warmer and drier. Neither is a scientific forecast. NOAA’s seasonal outlook, which favors wetter-than-normal conditions across the southern United States, is the more reliable guide.

Get ahead of it

Montgomery Roofing has worked Central Texas roofs from Lorena since 1995. We’ll look at what this summer did to yours, tell you whether it needs repair, replacement, or nothing at all, and give you a written estimate at no cost.

If it needs work, booking now gets you the November window.

Call 254-655-1024 or schedule a free inspection.

Serving Waco, Lorena, Woodway, Hewitt, Robinson, Temple, Belton, Killeen, Gatesville, Hillsboro, China Spring, and surrounding communities across McLennan, Bell, Coryell, Falls, Hill, Bosque, Limestone, Travis, Williamson, and Hays counties.