Summer Storm Damage: Essential Roof Inspection Tips for St. Louis Homeowners

June 4, 2026

Summer in St. Louis means severe weather. From violent thunderstorms rolling across the Mississippi Valley to sudden hail events and damaging straight-line winds, the months of June through August consistently produce some of the region's most destructive storms.

For homeowners throughout St. Louis, St. Charles, Jefferson County, and the Metro East, knowing how to properly inspect your roof after summer storms is essential. Many property owners don't realize their roof has sustained damage until leaks develop months later—often after the window to file an insurance claim has closed.

This guide walks you through professional roof inspection techniques that help you identify storm damage quickly, document it properly, and protect your insurance claim rights.

Why Summer Storms Are Particularly Damaging in St. Louis

The St. Louis metropolitan area sits in a unique weather corridor that makes it especially vulnerable to summer storm damage:

• Hail frequency: St. Louis averages 4-6 significant hail events per summer season
• Straight-line winds: Derechos and severe thunderstorm winds regularly exceed 60-70 mph
• Tornado risk: The region falls within Tornado Alley's eastern edge
• Flash flooding: Heavy summer downpours can cause roof drainage failures
• Temperature extremes: 100°+ heat waves stress already-damaged roofing materials

These combined factors mean St. Louis roofs endure more punishment during summer months than in most other regions. Even "minor" storms can cause significant damage that shortens roof lifespan and leads to interior water damage.

Ground-Level Inspection: What to Look For

Always start your post-storm inspection from the ground. Never climb on a wet or potentially damaged roof without professional assessment. Here's what to examine:

Visible Roof Damage

• Missing shingles: Visible gaps or exposed underlayment
• Lifted shingles: Edges curled up or flapping in wind
• Debris accumulation: Branches, leaves, or other materials on roof surface
• Sagging areas: Depressions or uneven roof lines
• Flashing damage: Metal pieces around chimney, vents, or valleys displaced or missing

Gutter and Downspout Signs

• Granule accumulation: Excessive shingle granules in gutters (more than normal)
• Gutter damage: Dents, bends, or separations from hail impact
• Downspout clogs: Debris blocking drainage
• Gutter overflow stains: Water marks indicating drainage problems

Siding and Exterior Indicators

• Dented siding: Hail impacts on aluminum or vinyl siding
• Window screen damage: Tears or holes from hail
• AC unit damage: Dented fins on outdoor units
• Fence and deck damage: Impact marks on horizontal surfaces

Attic Inspection: Finding Hidden Damage

Some of the most important post-storm damage evidence is found in your attic. After a severe storm, carefully inspect:

Signs of Water Intrusion

• Water stains: Brown or yellow marks on rafters, sheathing, or insulation
• Wet insulation: Damp or compressed areas indicating water entry
• Daylight penetration: Visible light through roof boards indicates holes or gaps
• Mold or mildew: Musty odors or visible growth patterns
• Drip trails: Water marks running down rafters or sheathing

Structural Concerns

• Sagging decking: Plywood or OSB that appears warped or bowed
• Cracked rafters: Visible breaks or splits in structural members
• Displaced vents: Roof vents knocked out of position
• Ridge cap separation: Gaps at the roof peak visible from inside

Types of Summer Storm Roof Damage

Different storm types cause distinct damage patterns. Understanding these helps you identify what to look for:

Hail Damage

Hail damage on asphalt shingles appears as:

• Random-pattern dents or bruises on shingle surface
• Exposed black asphalt where granules have been knocked off
• Soft spots that feel spongy when pressed
• Cracked or fractured shingles (with larger hail)
• Circular impact marks with granule loss

Wind Damage

Wind damage typically shows as:

• Missing shingles, especially along edges and ridges
• Lifted or curled shingle edges
• Exposed nails where shingles have torn away
• Creased or folded shingles
• Damage concentrated on one side of roof (windward face)

Combined Hail and Wind Damage

St. Louis severe thunderstorms often produce both hail and damaging winds simultaneously. This combination is particularly destructive because:

• Wind lifts shingle edges, allowing hail to impact at angles
• Hail-weakened shingles are more susceptible to wind damage
• Both damage types can occur across entire roof surface
• Insurance adjusters may undercount damage by focusing on only one type

Documenting Storm Damage Properly

Proper documentation is essential for successful insurance claims. Follow these steps:

Immediate Documentation (Within 24-48 Hours)

• Photograph everything: Take wide-angle and close-up photos of all damage
• Video walkthrough: Record a narrated video of damage from multiple angles
• Weather reports: Save local weather service reports confirming storm events
• Date/time stamps: Ensure all photos include metadata or write dates on prints
• Neighbor damage: Note if surrounding properties show similar damage

Professional Inspection Documentation

• Contractor estimates: Get written estimates from licensed roofers
• Inspection reports: Request detailed written reports with photos
• Damage maps: Professional inspectors create roof diagrams marking damage locations
• Material specifications: Document existing roofing materials for accurate replacement estimates

When to File an Insurance Claim

Not every storm requires a claim, but knowing when to file is important:

File a Claim When:

• Damage clearly exceeds your deductible
• Multiple roof components are affected
• Professional inspection confirms significant damage
• Neighboring properties have filed successful claims
• You observe active leaks or interior damage

Consider Waiting If:

• Damage appears minor and below deductible
• Only cosmetic damage with no functional impact
• Recent claims history could affect insurability
• You're unsure and want professional assessment first

Common Insurance Company Tactics to Watch For

Insurance adjusters may use various tactics to minimize storm damage claims:

• Pre-existing damage claims: Attributing damage to age or wear rather than storm
• Partial repairs: Approving spot repairs instead of full roof replacement
• Depreciation overcharges: Excessive depreciation on replacement cost policies
• Missed damage: Conducting quick inspections that don't identify all damage
• Delay tactics: Slow processing hoping you'll accept lower offers

A public adjuster can identify these tactics and advocate for your full policy benefits.

St. Louis-Specific Considerations

St. Louis area homeowners should be aware of regional factors affecting storm damage claims:

• Historic homes: Many St. Louis properties have original slate or specialty roofing requiring specialized repairs
• Building codes: St. Louis City and County have different code requirements affecting repair specifications
• Contractor availability: Major storms create contractor backlogs; document damage before demand peaks
• HOA requirements: Many St. Louis subdivisions have architectural requirements for roofing materials

Key Takeaways

• Inspect promptly: Check your property within 24-48 hours after severe storms
• Start from ground level: Look for collateral damage on gutters, siding, and soft metals
• Check the attic: Water stains and daylight penetration reveal hidden damage
• Document thoroughly: Photos, videos, and professional reports strengthen claims
• Know the damage types: Hail and wind create distinct patterns—look for both
• File timely: Missouri requires prompt notice; don't delay reporting

Summer storms in St. Louis are inevitable. Property damage doesn't have to mean financial loss. By inspecting your roof properly after storms, documenting damage thoroughly, and understanding your insurance rights, you can ensure your home is protected and your claim receives fair treatment.

If you've experienced summer storm damage in St. Louis, St. Charles, Jefferson County, or the Metro East, contact STL Public Adjusting today for a free roof damage assessment. We'll help you understand your options and ensure you receive the full compensation you deserve.