The short answer
Signs of a Direct Strike
A direct lightning strike often leaves obvious marks. Check your roof for scorched shingles, cracked tiles, or displaced flashing. Look at your chimney for bricks that are chipped or knocked loose. On the exterior walls, you might see long, thin cracks or burn trails where the current traveled down to the ground.
Inside, inspect your attic for any darkening or burn marks along rafters or wiring. A strike can also blow out small pieces of siding or trim. If you see any of these, treat it as a serious event. Even a near miss can cause hidden damage that you cannot see from the ground.
Electrical and Electronic Clues
Power surges from lightning are common even without a direct hit. Your surge protectors may have tripped, or your circuit breakers might be off. Check for appliances that stopped working, like your refrigerator, washing machine, or microwave. Computers, TVs, and smart home devices are especially vulnerable.
A blown transformer or a flickering power grid can also mimic surge damage, so do not assume lightning is the only cause. Still, if you notice multiple electronics failing at the same time, that points to a surge. Unplug sensitive devices until you can have a professional check your electrical system.
- Tripped circuit breakers or blown fuses
- Dead outlets or lights that flicker
- Burned smell near outlets or panels
- Surge protectors that no longer reset
- Electronics that turn on but act erratically
- Your internet router or modem is unresponsive
Structural and Water Damage Links
Lightning can crack your roof or chimney, letting water seep in during the next rain. A strike can also vaporize moisture inside walls, creating pressure that splits drywall or pops nails. If you notice new water stains on your ceiling or a musty smell in your attic, that could be a sign of a strike-related leak.
Water damage from a strike may not show up for days or weeks. The water can travel along rafters and soak into insulation, causing rot or mold over time. If you suspect a strike, keep an eye on your ceilings and walls for discoloration or soft spots. Early detection saves you from bigger repairs later.
When to Call the Pros
If you see any signs of a strike, or if you are unsure, contact local water damage pros. They can do a water damage inspection to look for hidden moisture and structural issues. They use moisture meters and thermal cameras to find wet spots that are not visible to the naked eye.
The pros can also help with structural drying and dehumidification if water got into your walls or subfloor. For an active leak from a cracked roof, they can perform emergency water extraction to stop further damage. Acting quickly after a suspected strike reduces the chance of mold and rot taking hold.
Safety Steps You Can Take
Right after a suspected strike, stay away from any downed power lines or sparks. If you smell gas or see smoke, leave the house and call 911 from a safe spot. Do not touch wet electronics or stand in water near electrical outlets. See a doctor if you feel unwell, as lightning can cause delayed symptoms.
Document everything with photos and notes. This helps you remember what you saw and can be useful if you file an insurance claim. Check your policy to see what is covered; policies vary, and your insurer decides what is covered. Keep your shutoff valve location written down in case you need to stop water flow quickly.
Talk to someone now
Water keeps spreading into floors and walls, so it is worth acting early. Calls are answered 24/7.
Call Now (614) 412-4391Frequently asked questions
Can lightning strike my house without me hearing a boom?
Yes, you might not hear thunder if the strike is far away or if you are asleep. Check for physical damage and power surges. A neighbor might have seen a flash. If in doubt, have a professional inspect your roof and electrical system.
What if I see a small crack in my wall after a storm?
That crack could be from lightning, but it could also be from settling or moisture. Look for other signs like scorch marks or a burnt smell. If the crack is near a window or door, water may enter. A water damage inspection can tell you if there is hidden moisture.
Should I worry about my electronics after a lightning storm?
Yes, surges can damage electronics even if you do not see a strike. Check your surge protectors and test your devices. If you notice multiple failures, unplug everything and have an electrician check your wiring. Do not assume your home is safe just because you did not see a flash.
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