Why Are Lightning Strikes Often Missed Initially?
Last updated October 31, 2026
The short answer
Signs You Might Notice Later
Some signs of lightning-related water damage appear gradually. You might see a new stain on a wall or ceiling, hear a dripping sound inside a wall, or notice a musty odor in a room. Warped floorboards or bubbling paint are other clues that water has been sitting behind surfaces for a while.
Electrical issues can also point to a strike. If outlets stop working, breakers trip for no reason, or a burning smell comes from an outlet, a surge may have damaged wiring. That damage can also affect nearby plumbing, so a slow leak may follow. Pay attention to any change in your home's normal sights, sounds, or smells after a storm.
- New stains on walls, ceilings, or floors
- Musty or smoky odors in any room
- Dripping sounds inside walls or ceilings
- Warped or buckled flooring
- Bubbling or peeling paint
- Outlets or switches that stop working
Why You Should Act Quickly
The longer water sits inside your walls or under your floors, the more damage it can cause. Drywall soaks up moisture and can sag or crumble, while wood studs and joists may begin to rot. Mold can start growing within a day or two, which can affect your indoor air quality and make cleanup more involved.
Acting quickly means you can dry things out and limit the spread of moisture. If you see or smell something off after a storm, investigate right away. Check attics, crawl spaces, and behind large appliances where leaks often hide. The sooner you find the source, the easier the cleanup can be.
What to Do Right After a Storm
After a lightning strike, walk through your home and look for any signs of water or electrical trouble. Check the attic for wet insulation or dark stains on the underside of the roof. Feel walls for dampness and look under sinks and around water heaters for puddles. If you find anything, turn off the water supply to that area if you can.
If you live in Mesa, keep your shutoff valve location written down so you can stop the flow quickly. Also, take photos of any damage you find before you start cleaning. Those pictures can help your insurance company understand what happened. Do not touch wet electrical panels or appliances; call an electrician if you suspect wiring damage.
- Inspect the attic and crawl spaces for dampness
- Look for stains on ceilings and walls
- Check under sinks and around water heaters
- Feel walls and floors for moisture
- Turn off the water supply if you find a leak
- Take photos of any damage for your records
When to Call Local Pros
If you find water damage that has soaked into drywall, insulation, or flooring, you may need help from local water damage pros. They have equipment to dry out structures and can remove damaged materials safely. They can also check for hidden moisture in places you cannot easily see, like inside wall cavities or under carpets.
For a lightning strike, water damage might be just one part of the problem. An electrician should inspect your wiring, and a mold professional can assess any mold growth. Your insurance company will decide what is covered, so check your policy and file a claim if needed. Policies vary, and your insurer decides what is covered.
- Drywall that is wet or sagging
- Insulation that is soaked or smells musty
- Flooring that is warped or lifting
- Mold growth that covers a large area
- Electrical issues that you cannot fix safely
Water damage does not wait
Water keeps spreading into floors and walls, so it is worth acting early. Calls are answered 24/7.
Call Now (480) 898-4279Frequently asked questions
Can lightning cause water damage without hitting my house directly?
Yes. A nearby strike can send surges through underground pipes and wires, heating them and causing leaks or bursts. The damage might not appear for days, so check your home after any thunderstorm, even if the strike did not hit your property directly.
How long does it take for mold to grow after water damage?
Mold can begin growing within 24 to 48 hours if the area stays damp. That is why it is important to dry out wet materials quickly. If you see mold, avoid touching it and call a mold professional to assess the situation.
What should I do if I find wet drywall after a strike?
Do not tear it out yourself if you are unsure about the extent of the damage. Wet drywall can hide structural issues or electrical hazards. Contact a local water damage pro to inspect and dry the area. They can also remove and replace damaged sections safely.