Key Takeaways
What to check on your roof every spring after an Illinois winter: ice dam damage, wind-lifted shingles, clogged gutters, attic moisture, and flashing.
After a Naperville winter of freeze-thaw cycles, ice dams, and high wind, spring is the right time to walk your property and check for damage before summer storm season arrives. Here's exactly what to look for, from the ground and in the attic, and when it's time to call in a professional roof inspection instead of guessing.
Did Ice Dams Cause Damage Along the Roof Edge?
Ice dams form when heat escapes into the attic, melts snow on the upper roof, and refreezes at the colder eaves — backing water up under the shingles. From the ground, look for shingles near the eaves that appear lifted, cracked, or discolored, and check gutters for sagging or pulled-away sections where ice may have built up. Inside, water stains near exterior walls or on ceilings below the eaves are a strong sign an ice dam pushed water past the drip edge and ice-and-water shield this winter.
Are Any Shingles Missing or Out of Place After Winter Wind?
Illinois winter wind events can lift, crease, or fully remove shingles, especially on older 3-tab roofs or roofs nearing the end of their service life. Scan each roof plane from the ground (or with binoculars) for shingles that look darker, curled at the edges, or simply missing — bare patches of decking or underlayment are visible even at a distance. Displaced shingles left unaddressed expose the underlayment to UV and moisture and should move to the top of your repair list.
Are Your Gutters and Downspouts Actually Clear?
Winter debris — leaves that never got cleared in fall, plus anything blown in during storms — combines with ice to clog gutters and downspouts. Standing water in a clogged gutter can back up under the starter shingle and drip edge at the roof's lowest edge, or freeze and pull the gutter away from the fascia. Clear gutters and downspouts fully and confirm water flows freely away from the foundation before summer rain arrives.
Is There Moisture in the Attic You Can't See From Outside?
A flashlight check of the attic is one of the most reliable ways to catch roof problems early, because attic moisture often shows up long before a ceiling stain does. Look for dark staining or mold on the underside of the decking, damp or matted insulation, and any daylight visible through the roof deck. Musty odors or visibly damp rafters near the ridge or valleys point to a leak path that needs tracing before it causes structural damage.
Is Flashing Around Chimneys, Vents, and Valleys Still Intact?
Step flashing, valley flashing, and pipe boots are common failure points because they're where different roof planes and penetrations meet. Winter's freeze-thaw cycles can crack sealant, loosen fasteners, or corrode metal flashing. From the ground, look for flashing that appears bent, rusted, or separated from the roofline around chimneys, skylights, and plumbing vents — these are exactly the spots a professional inspection checks up close.
When Should You Call a Professional Instead of Inspecting Yourself?
A ground-level spring walk-around catches obvious problems, but it can't tell you the condition of fasteners, the state of the decking underneath, or how much useful life is left in your shingles. If you spot any of the issues above — or simply haven't had a professional look at the roof in over a year — a full roof inspection gets eyes on every roof plane, flashing detail, and attic condition an Illinois winter can affect. See our roof maintenance and inspection guides for more seasonal checklists, including how often you actually need an inspection in Illinois and how to track down a leak that isn't showing where you'd expect.