Spring storm season isn't coming—it's already doing damage.
In mid-April, a fast-moving system triggered a major tornado outbreak across the Midwest and Plains, producing more than 80 confirmed tornadoes along with large hail, damaging winds, and flooding. Homes were damaged across multiple states, and in some areas, the biggest issue wasn't wind—it was water where it shouldn't be.
That's the part homeowners tend to underestimate.
"The damage we see most often isn't from catastrophic failure, it's from small vulnerabilities that were already there," says Mark Jensen, a Colorado-based residential contractor with nearly two decades of storm repair experience. "A seal that's starting to go, a drainage issue that's been ignored. Storms just expose it."
And this year, there's more reason to pay attention. A pre-season hurricane forecast from the University of Arizona calls for an active 2026 storm cycle, with 20 named storms, 9 hurricanes, and 4 major hurricanes.
Most people handle the obvious tasks—cleaning gutters, checking the roofline—but those aren't usually what lead to expensive repairs.
It's the smaller, overlooked issues that tend to fail first. And by May, there's very little margin for error.
Where water actually gets into your home during storms
Gutters are the obvious place to start, but they're rarely where problems begin.
Water intrusion typically happens at transitions: where materials meet, shift, and age differently over time. Flashing—thin metal installed around chimneys, vents, and skylights—is one of the most common weak points.
From the ground, a roof can look completely intact. But if flashing lifts even slightly, wind-driven rain can slip beneath and enter the structure without immediate signs.
Caulking is another failure point. Around windows and doors, it naturally shrinks and cracks. During heavy rain, even a small gap can allow water to seep behind the trim and into the walls.
"People underestimate how little space water needs," says Lisa Carter, a licensed home inspector based in Texas. "Once it gets behind the surface, it doesn't stay contained."
Garage doors are often overlooked entirely. The rubber seal along the bottom hardens over time, losing flexibility. If light is visible beneath, water can enter through the same path.
Why gutters aren't enough to prevent water damage
Extending downspouts is standard advice—but it only works if the water is actually going somewhere useful.
Discharge lines can clog underground with sediment or shift over time. When that happens, water backs up near the foundation instead of draining away.
Running a hose through the system and watching where water exits is one of the simplest ways to test it.
Beyond that, your yard itself may be working against you.
After heavy rain, note erosion patterns or areas where water collects. Mulch beds that slope toward the home can quietly direct moisture inward. Keeping mulch a few inches away from siding helps prevent moisture from becoming trapped and causing rot.
Driveways can also create issues. If yours slopes toward the garage, trench drains or thresholds become critical—and they clog faster than most people expect.
"I've seen garages flood in under 10 minutes because a drain was blocked," Jensen says. "It doesn't take a major storm."
Sump pump failures are one of the most expensive home disasters
Sump pumps are often treated as a backup system—but in many homes, they're the last line of defense against serious damage.
And when they fail, the impact can be significant.
According to the Federal Emergency Management Agency, just one inch of water can cause roughly $25,000 in property damage.
Nearly 98% of basements in the U.S. will experience some level of water damage over time, often because groundwater enters through a sump system. Failures are widespread, and most aren't caused by the pump itself.
In many cases, poor maintenance is the primary issue, accounting for most failures. Power outages during storms are another major factor, particularly when pumps lack battery backup. Other problems include clogged discharge pipes, stuck float switches, or disconnected lines that prevent water from exiting the home properly.
"The pump itself isn't usually the problem," says David Morales, a licensed plumber who specializes in basement waterproofing. "It's everything around it, especially the discharge line. If that's blocked, the system can't do its job."
The financial impact adds up quickly. The average insurance payout for water damage is around $13,954, and roughly one in 60 insured homes files a claim each year.
And many homeowners are surprised to learn that standard policies often don't cover sump pump failures. Coverage typically requires a separate water backup rider, and claims can be denied if maintenance is found to be a factor.
FEMA recommends installing a battery backup system and testing sump pumps regularly—especially as peak spring and summer storm activity approaches.
How wind and storms damage your roof (even without a tornado)
You don't need a direct hit from a tornado to see roof damage.
Repeated gusts can loosen shingles that are already slightly worn. Once that seal breaks, water can get underneath and begin working into the structure.
From the ground, look for shingles that appear lifted or uneven. Inside, check the attic after storms for damp insulation or faint staining.
Outdoor items can also become hazards. Patio furniture, grills, and planters can shift or lift during strong winds—even in storms that don't seem severe.
Trees deserve a closer look this time of year as well. New leaves can hide dead limbs or structural cracks.
How to protect your home from power surges during storms
Lightning doesn't need to strike your home directly to cause damage.
Power surges can travel through electrical systems and affect appliances, HVAC units, and electronics. Power strips offer limited protection, but they're not designed for larger spikes.
Whole-house surge protectors installed at the electrical panel provide broader coverage.
If you rely on a generator, testing it now is critical. Old fuel or mechanical issues often go unnoticed until you actually need backup power.
And every year, improper generator use leads to carbon monoxide incidents—something emergency officials continue to warn about after major storms.
What to have ready before a major storm hits
Preparation isn't just about your home—it's about what happens if you need to leave it, or stay put without power.
The American Red Cross recommends having both a portable "go kit" with at least three days' worth of essentials and a stay-at-home supply that can last up to two weeks.
That includes water, nonperishable food, medications, and backup power sources for essential devices.
Most people don't need it—until they do.
And when severe weather hits, there's rarely time to pull it together at the last minute.
What your home insurance may not cover during storm season
Storm preparation also means understanding what's actually covered.
Many policies have separate deductibles for wind and hail. Flooding usually requires separate insurance entirely.
Documentation matters more than most homeowners realize. Updated photos of your home and valuables can make a significant difference during a claim.
Without it, the process becomes harder—and sometimes more expensive.
The 10-minute storm prep check most homeowners skip
Right before a storm hits, a quick walk around your home can catch issues that routine maintenance misses.
Look for anything that could move, clog, or let water in quickly—loose furniture, blocked drains, gaps under doors, or downspouts that aren't directing water away.
It's not a full inspection. But it's often enough to prevent the kind of last-minute damage that turns a storm into a major repair.
Severe weather in spring isn't unusual.
But recent outbreaks are a reminder of how quickly conditions can escalate—and how much damage can happen in a short window.
And in many cases, it's the smallest, easiest-to-miss issues that end up costing the most.
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