Central Texas Hail Season: What Williamson County Homeowners Need to Know

Williamson County sits on the I-35 corridor stretch that storm researchers politely call an active hail climatology and locals call hail alley. Warm, wet Gulf air runs into dry lines and cold fronts right over Central Texas, and the supercells that result drop damaging hail somewhere in the region nearly every year.

When hail season runs

The core season is March through June, peaking in April and May. Fall brings a smaller second season as the first cold fronts collide with lingering summer heat. Any single neighborhood might go three years without a hit and then take two storms in a month; that is the nature of hail swaths, which are often only a few miles wide.

What hail actually does to a roof

Hail rarely punches visible holes. What it does to asphalt shingles is quieter and slower:

• Granule loss. Impact knocks the protective mineral surface loose, exposing the asphalt mat underneath to UV, which then ages at several times the normal rate.
• Bruising. A soft spot where the mat is fractured under an intact looking surface. Bruises become leaks months or years later.
• Cracked and creased shingles. More common with wind driven hail; these can leak with the next hard rain.

This delay is why a roof that took hail in April can look fine all summer and start staining ceilings when the first October front drives rain sideways. By then, tying the leak back to the storm is harder, and some insurance deadlines may be closing.

Size matters, but not the way people think

Pea sized hail is usually cosmetic. Quarter sized hail, about one inch, is the commonly used threshold where asphalt shingle damage becomes likely, especially on older roofs. Golf ball hail and larger will damage most roofs it lands on, along with gutters, window screens, and AC fins. Wind speed and hail density matter as much as diameter, which is why professional inspection beats guessing from the ground.

The post storm checklist

1. Note the date and time. Your claim, if you file one, is tied to a specific weather event.
2. Photograph hail on the ground next to a coin or tape measure before it melts.
3. Walk the property, not the roof. Check gutters and downspouts for dents, window screens for tears, AC unit fins, fence tops, and anything soft metal. Soft metal damage is a strong indicator the roof took hits too.
4. Look for shingle debris in the yard and granule piles at downspout outlets.
5. Get a professional inspection. Reputable local roofers inspect free and give you the photos either way. Stay off the roof yourself.
6. Decide about a claim with evidence in hand. Our insurance claim guide walks through that decision.

If the damage is real

You will want documentation, a scope of work, and a contractor who has done insurance funded roofs in your neighborhood before. That is exactly what we set up. Tell us about your roof and we connect you with vetted, insured local pros for a free inspection.