Arizona’s monsoon season (June 15 - September 30) brings dramatic storms with heavy rain, powerful winds, dust, and lightning to the East Valley. While these storms are spectacular to watch, they can cause serious damage to unprepared homes. Here’s your complete guide to protecting your Gilbert, Mesa, or Chandler home from monsoon damage.

Understanding Monsoon Threats

East Valley homes face unique challenges during monsoon season:

Wind Damage

Sustained winds of 40-50 mph
Gusts exceeding 75 mph
Projectile debris (palm fronds, trash cans, patio furniture)
Damage to roofs, fences, and outdoor structures

Water Intrusion

1-2 inches of rain in under an hour
Poor drainage causes flooding
Roof leaks from wind-driven rain
Window and door seal failures

Dust and Debris

Haboobs (massive dust walls)
Clogged AC filters and outdoor units
Dust infiltration around doors and windows
Pool contamination

Power Outages

Lightning strikes
Downed power lines from falling trees
Extended outages in some areas
AC loss during extreme heat

Your Monsoon Prep Checklist (Do This in May/Early June)

Exterior Home Inspection (2-3 Hours)

Roof Check

Inspect all shingles or tiles for damage or looseness
Check flashing around chimneys, vents, and skylights
Look for any existing leaks or water stains inside
Clear debris from roof valleys and gutters
Verify all roof penetrations are properly sealed

Why it matters: Wind-driven rain finds even small openings. A $50 repair now prevents a $5,000 water damage claim.

Can’t safely inspect your roof? We offer professional roof inspections for $75.

Gutters and Downspouts

Clean all gutters of debris
Ensure downspouts direct water at least 5 feet from foundation
Add splash blocks where needed
Check gutter mounting brackets for security
Consider gutter guards if you have nearby trees

Arizona-specific tip: While we don’t get much rain, monsoon downpours overwhelm clogged gutters quickly, causing water to cascade over edges and damage stucco or flood window wells.

Windows and Doors

Check all window and door weather stripping
Replace any cracked or missing seals
Test windows for proper closing and locking
Apply fresh caulk where needed
Install door sweeps if missing

Signs you need new weather stripping:

Light visible around closed doors
Dust accumulation on windowsills
Rattling windows during wind
Higher AC bills

Stucco and Siding

Walk around home looking for cracks
Seal any cracks larger than hairline width
Pay special attention to corners and around windows
Check weep screed at bottom of walls
Verify proper slope away from foundation

Why Arizona homes crack: Our soil expands and contracts with moisture, our temperatures swing 40+ degrees daily, and houses settle differently on different soil types. Cracks are normal - unsealed cracks are problems.

Outdoor Areas (1-2 Hours)

Landscaping

Trim all tree branches within 10 feet of house
Remove dead branches that could become projectiles
Cut back bushes touching house walls
Secure or remove dead trees/stumps
Clean out drainage channels

East Valley specific: Palo verde and mesquite trees drop branches even when healthy. Eucalyptus trees are notorious for falling in wind.

Patio and Yard

Store or secure all lightweight patio furniture
Take down temporary gazebos or canopies
Secure trash cans and recycling bins
Bring in garden decorations, potted plants
Anchor or store pool equipment
Coil and secure garden hoses

Real story: A Mesa homeowner’s patio umbrella became a projectile that broke their neighbor’s window during a 2024 monsoon. Unsecured items become dangerous in 70 mph winds.

Fences and Gates

Check all fence posts for stability
Tighten loose boards or panels
Ensure gates latch securely
Replace damaged sections
Consider removing panels if fence is questionable

Arizona fencing note: Block walls generally do fine in monsoons (unless already damaged). Wood and vinyl fencing takes a beating. Older fences often blow down.

Systems and Equipment (1 Hour)

HVAC System

Replace indoor air filter
Clean outdoor unit (remove debris, rinse coils)
Verify outdoor unit is level and secure
Ensure drain line is clear
Schedule professional tune-up if not done this spring

During monsoons: Check filter weekly - dust storms clog them rapidly. A clogged filter during extreme heat can cause AC failure.

Electrical and Lighting

Test GFCI outlets (especially outdoor and garage)
Check outdoor lighting fixtures for security
Verify outdoor outlets have weatherproof covers
Inspect electrical panel for any issues
Replace batteries in flashlights and smoke detectors

Power outage prep: Have flashlights, batteries, and portable phone chargers ready. Power outages during monsoons can last hours.

Pool/Spa (If Applicable)

Ensure pool equipment is properly grounded
Secure pool covers and equipment
Check pool fence gates latch properly
Verify drains and skimmers are clear
Have extra chlorine/shock (storms contaminate pools)

Interior Preparation (30 Minutes)

Emergency Supplies

Stock flashlights and batteries
Keep portable phone chargers charged
Have drinking water (1 gallon per person per day for 3 days)
Stock non-perishable food
Keep first aid kit accessible
Have battery-powered radio or NOAA weather radio

Important Documents

Know where your insurance policy is
Have emergency contacts list
Keep photos of home’s current condition (for insurance if needed)
Store important documents in waterproof container

Window Treatments

Close blinds during storms (reduces glass break injury risk)
Know which rooms to avoid during severe weather
Identify interior safe space (usually interior bathroom or closet)

During the Monsoon Season (June-September)

Weekly Checks

Check and replace AC filters (every 2 weeks minimum during active monsoon)
Walk around home after storms looking for new damage
Clear any accumulated debris from gutters and drains
Monitor weather forecasts (especially afternoons)

Before Each Storm

Bring in outdoor furniture and decorations
Close all windows and doors
Unplug sensitive electronics
Move cars into garage if possible (hail protection)
Charge phones and devices

During Storms

Stay indoors and away from windows
Avoid using plumbing or wired electronics (lightning risk)
Don’t go outside to “watch the storm” (dangerous!)
Monitor weather alerts
Have emergency supplies accessible

After Storms

Check for roof damage, leaks, or water intrusion
Look for fence or tree damage
Check outdoor AC unit for debris
Clean pool if needed
Document any damage with photos (for insurance)
Clear standing water near foundation

Common Monsoon Damage in East Valley Homes

Roof Leaks

Symptoms: Water stains on ceilings, dripping, wet insulation Immediate action: Place buckets, move valuables, call for emergency repair Prevention: Pre-monsoon roof inspection and repairs

Window Failures

Symptoms: Water around windows, broken seals, cracked glass Immediate action: Towels to soak water, plastic sheeting temporary seal Prevention: Check seals before monsoon, replace old windows

Flooding

Symptoms: Water entering through doors, vents, or foundation Immediate action: Sandbags, redirect water, dry belongings Prevention: Proper grading, working gutters, door seals

AC Failures

Symptoms: Unit not cooling, strange noises, not turning on Immediate action: Check filter, circuit breaker, call HVAC tech Prevention: Pre-monsoon tune-up, regular filter changes

Fence Damage

Symptoms: Leaning panels, blown-down sections, broken posts Immediate action: Temporary bracing, remove hazardous sections Prevention: Pre-monsoon repairs, remove questionable sections

Insurance Considerations

Before Monsoon

Review your homeowner’s insurance policy
Understand your deductible and coverage limits
Know what is/isn’t covered (flood insurance is separate)
Take photos of your home’s current condition
Make a home inventory of valuables

Filing Claims

Document damage immediately with photos/video
Prevent further damage (but save evidence)
Contact insurance company within 24-48 hours
Get repair estimates from licensed contractors
Don’t make permanent repairs until adjuster sees damage

Common covered: Wind damage, hail damage, rain infiltration from roof damage Often not covered: Flooding (requires separate flood policy), damage from lack of maintenance, preventable damage

Professional Help for Monsoon Prep

When to Call a Handyman

You can DIY basic prep, but call Superstition Home Services for:

Roof Issues:

Leaks or suspicious areas
Missing or damaged shingles/tiles
Flashing problems
You can’t safely inspect your own roof (we can!)

Exterior Repairs:

Stucco crack sealing
Window/door weather stripping
Gutter repairs or installation
Fence reinforcement

Interior Waterproofing:

Sealing basement or foundation areas
Installing door thresholds
Caulking and weatherproofing

We offer pre-monsoon inspection packages to identify and fix vulnerabilities before storms hit.

Post-Monsoon Wrap-Up (October)

After monsoon season ends, do a final check:

Inspect roof for any damage
Check all caulking and seals
Assess fence and landscaping damage
Schedule any needed repairs before next year
Document storm-related issues for next season’s prep

Emergency Contacts to Have Ready

Your homeowner’s insurance: ____________
Emergency roof repair: ____________
AC repair service: ____________
Superstition Home Services: (480) 531-1226
City utilities: ____________
Poison control: (800) 222-1222
Non-emergency police: ____________

Bottom Line

Monsoon preparation isn’t optional in the East Valley. A few hours of prep in May/June can prevent thousands in damage and keep your family safe during storm season.

Your May Action Plan:

Week 1: Exterior inspection (roof, gutters, stucco) Week 2: Outdoor area prep (landscaping, patio, fence) Week 3: Systems check (HVAC, pool, electrical) Week 4: Emergency supplies and final review

Can’t Do It All Yourself?

Superstition Home Services offers complete monsoon preparation services:

Professional roof inspections
Weather stripping replacement
Stucco crack sealing
Gutter cleaning and repair
Fence repair and reinforcement
Emergency supplies installation

Book your monsoon prep service now - call or text (480) 531-1226. We serve Gilbert, Mesa, Chandler, Tempe, and Scottsdale.

Don’t wait for the first storm. Protect your home and family today.