What Happens When Lightning Strikes A Home In Northern Illinois?

We've had ourselves some really severe weather recently here in Northern Illinois, and more of it is on the way.

With forecasters warning of severe thunderstorms, damaging winds, large hail, and frequent lightning across Northern Illinois this week, many homeowners are wondering what happens if lightning actually strikes their house.

The answer is a lot more than a loud boom and a bright flash.

While the odds of your home taking a direct lightning strike are relatively low, it does happen. In fact, a couple of homes in my neighborhood were struck during last week's storms. If your house is hit by lightning, there are several things that can happen.

And, As You Might Imagine, None Of Those Things Are Good

Back in 2003, my house took not one, but two lightning strikes during the same storm. Those strikes destroyed three TVs, one stereo, both the washer and the dryer, and blew out 5 outlets. It also left scorch marks on the siding.

According to weather and electronics experts, here are some of the other things that can happen when your home is struck by lightning:

1. Electronics Can Be Destroyed Instantly

A lightning strike can send a massive power surge through your home's electrical system. Televisions, computers, routers, gaming consoles, and kitchen appliances can all be damaged or destroyed in a matter of seconds.

2. Fires Can Start Inside Walls or Attics

One of the biggest dangers isn't always visible right away. Lightning can ignite wood framing, insulation, or electrical wiring hidden behind walls and in attics. Some fires begin smoldering and may not be noticed immediately.

3. Your Electrical System Can Take a Serious Hit

A direct strike can damage circuit breakers, outlets, wiring, and even the home's main electrical panel. Repairs can be extensive and expensive, requiring a thorough inspection by qualified professionals.

And There's More...

4. Roofs, Siding, and Plumbing Can Be Damaged

Lightning often follows conductive materials. It can crack roofing materials, damage gutters, and even travel through metal plumbing pipes. In some cases, water heaters and other connected systems can be affected.

5. Hidden Problems May Show Up Later

Even if everything appears normal after a storm, damage may already be done. HVAC systems, security systems, garage door openers, and smart-home devices sometimes fail days or weeks after a lightning strike due to components weakened by the surge.

What To Do If It Happens To You

If you believe your home has been struck by lightning, experts recommend checking for signs of fire, shutting off damaged electrical equipment, and contacting your insurance company as soon as possible. A professional inspection can help uncover damage that isn't immediately visible.

As Northern Illinois heads into another round of potentially severe weather, it's worth remembering that lightning is far more than a spectacular light show. A single strike can affect nearly every system in your home, and some of the damage may not become apparent until long after the storm clouds have moved on.