Before the most active summer thunderstorm periods, check drainage, gutters and scuppers; inspect flashing and penetrations; repair loose or damaged shingles and metal; trim risky branches where appropriate; document the roof’s baseline condition; and know who you will call if a storm causes damage.
In New Mexico, “monsoon” does not mean one giant storm that arrives on a predictable afternoon. The National Weather Service describes the North American Monsoon as a seasonal shift in atmospheric circulation that increases moisture and thunderstorm activity across the Southwest. New Mexico’s official monsoon-awareness season is generally June 15 through September 30, with wet bursts and dry breaks rather than constant rain.
For Clovis property owners, the roofing lesson is simple: summer can swing from hot, dry conditions to thunderstorms with heavy rain, hail, lightning, downburst winds and blowing dust. A roof that has been baking in sun and wind can suddenly be asked to drain intense rain while handling gusty outflow winds. Preparation should focus on the complete system—not a single “monsoon-proof” product.
What monsoon weather can mean for a Clovis roof
The NWS Albuquerque office notes that monsoon thunderstorms can bring hazards including downburst winds, dust storms, lightning and flash flooding. Downbursts are particularly relevant to roofing because they can produce strong straight-line winds that push and pull at roof edges, shingles, metal panels and rooftop equipment.
Heavy rainfall tests drainage and flashing. Hail tests roof-cover impact resistance. Repeated sun and heat between storms affect sealants and materials. Dust and wind-blown debris can clog drainage paths or strike roof surfaces. The best preparation addresses each of those stress points before active weather arrives.
Start with a calm-day roof baseline
One of the most useful things you can do before storm season is know what the roof looks like when nothing is wrong. From the ground, take dated photos of each roof side, gutters, downspouts, visible flashing, roof edges and any areas that have been repaired previously. If you have service invoices, keep them together.
This baseline prevents a common post-storm problem: trying to decide whether a dent, stain or patch is new when no one remembers what was there last month.
1. Make sure water can leave the roof
Monsoon preparation starts with drainage. A steep-slope roof needs clear gutters and downspouts where those are part of the design. Low-slope roofs need open drains, scuppers and flow paths. Water that cannot leave efficiently spends more time testing seams, flashings and transitions.
- Remove leaves, roofing granules, twigs and wind-blown debris from gutters where it can be done safely.
- Confirm downspouts discharge and are not obviously crushed or disconnected.
- On low-slope roofs, make sure drains and scuppers are not blocked by debris.
- Look for staining or debris lines that suggest water routinely ponds in one area.
- Check that drainage does not dump water against vulnerable walls or foundations.
A small amount of temporary water after a heavy storm may not mean a low-slope roof is failing, but persistent ponding deserves attention because it can increase stress on materials and reveal drainage design or maintenance issues.
2. Clean up roof-edge vulnerabilities
Wind pressures are often severe at roof edges and corners. A loose shingle at the rake, lifted drip edge, detached fascia, poorly secured ridge cap or loose metal trim gives wind something to work with.
Walk the perimeter from the ground and look for uneven lines, bent metal, lifted corners or missing pieces. If previous wind damage was patched temporarily, monsoon season is a good time to make sure the repair is still sound rather than waiting for another outflow boundary to test it.
3. Check asphalt shingles for wind-ready condition
On asphalt roofs, look for missing shingles, loose-looking tabs, cracked or curled pieces, damaged ridge cap and exposed fasteners that are visible from safe viewpoints. A contractor can check adhesive seals, fastening, flashing and areas that cannot be assessed from the ground.
Do not apply random roof cement across shingle edges as a preventive measure. Roofing products are designed to move and shed water in specific ways; blanket sealant can trap water, create maintenance problems or void product expectations. Repairs should follow the roof system and manufacturer instructions.
4. Check metal roofs for loose trim, fasteners and seams
Metal roofs deserve a different checklist. On exposed-fastener systems, aged washers, backed-out fasteners and loose closures can become leak points. On standing-seam systems, panel seams, perimeter trim, clips and penetrations are important. On both, wind-damaged edge metal can become a larger problem during the next storm.
Thermal movement is normal for metal roofing, so “tightening every screw as hard as possible” is not a maintenance strategy. The correct fix depends on the system and condition.
5. Inspect flashing and roof penetrations
Many roof leaks happen at transitions rather than in the middle of an intact field of roofing. Before storm season, pay attention to chimneys, plumbing vents, roof-to-wall intersections, skylights, valleys, satellite mounts, solar attachments and HVAC penetrations.
If your home has had a recurring leak in one of these areas, fix the cause before the seasonal thunderstorm pattern gives it repeated opportunities to reopen.
6. Remove debris and manage nearby branches
Branches rubbing on shingles can wear surfaces even without a storm. Dead or weak limbs can become impact hazards during strong wind. Vegetation can also contribute leaves and debris to gutters and low-slope drainage areas.
Tree work near a roof can be dangerous, especially around power lines. Use a qualified tree professional when limbs are large, high or close to utilities. The objective is not to strip every tree away from the house; it is to reduce obvious impact and drainage hazards.
7. Check the attic before the first big rain
A dry-day attic check creates another useful baseline. From a safe walkway, look for existing stains, damp insulation, daylight at unexpected openings, rust on fasteners or signs of old leakage. Take photos of suspicious areas.
After a heavy storm, compare the same locations. New moisture is easier to recognize when you already know which stains were old and dry.
Do not step between framing members onto ceiling drywall, and do not enter an attic with electrical, structural or standing-water hazards.
8. Secure or inspect rooftop equipment
Commercial and some residential roofs may have HVAC equipment, vents, ducts, satellite equipment or solar components. Loose service panels, unsecured accessories and deteriorated curbs can become wind or water-entry problems. A roofing inspection should look at the interfaces between those systems and the roof membrane or flashing.
If another trade works on the roof, inspect the roofing afterward. Foot traffic, dropped tools and new penetrations can create problems that only become obvious during the next storm.
9. Know the condition of flat and low-slope sections
Garages, additions and commercial buildings in Eastern New Mexico often include low-slope roofing. Before monsoon thunderstorms, check drainage and have open seams, punctures, loose flashings or failing penetrations addressed. Low-slope systems depend heavily on continuous membranes and watertight details because water moves more slowly than on steep roofs.
See our Flat & Low-Slope Roofing in Clovis page for service information.
10. Build a simple storm-response plan
Preparation is not only physical roof work. Know where you will store photos and invoices, how to reach your roofing contractor, and what you will do if water enters the home. Keep buckets, plastic sheeting for protecting belongings, flashlights and basic cleanup supplies accessible indoors.
If a storm causes damage, avoid going onto the roof. Move belongings from active drips if safe, document the condition, and call for help. Temporary roof protection should be handled by someone who can work at height safely.
What to document before monsoon season
- Dated exterior photos from each side of the property.
- Close-ups of existing dents, repairs or cosmetic marks you already know about.
- Previous roof invoices and warranty documents.
- Interior photos of old ceiling stains so new changes can be distinguished.
- Roof product information if available.
- Your insurance policy contact information and deductible—not assumptions about what is covered.
This records the pre-storm baseline without turning storm preparation into an insurance exercise.
What not to do before monsoon season
Do not power-wash asphalt shingles. Do not walk a roof casually to “check everything.” Do not coat a roof with an unknown product because a social-media video says it rejuvenates every roof. Do not seal over drainage openings. And do not wait until lightning and wind arrive to decide you need someone on the roof.
The best maintenance work happens on a calm, dry day with enough time to do it correctly.
How often should a roof be inspected?
There is no one schedule that fits every roof. A newer simple roof with no storm exposure may need less attention than an older roof with multiple penetrations, previous repairs or commercial rooftop traffic. A practical approach is to inspect periodically and after significant weather events, with more frequent professional review when the roof has known vulnerabilities.
Our Clovis roof-inspection guide explains what a useful inspection should include.
Monsoon roof-prep FAQs
When is monsoon season in New Mexico?
The National Weather Service uses June 15 through September 30 for New Mexico monsoon awareness and statistics, although the actual pattern varies from year to year and within the season.
Does Clovis get monsoon weather even though it is on the eastern side of the state?
Yes. The moisture and thunderstorm patterns associated with the North American Monsoon can affect New Mexico broadly, while local rainfall and storm frequency vary substantially. Clovis also experiences Great Plains-style severe thunderstorms, so summer roof planning should account for wind, hail and rain together.
Should I clean my gutters before summer storms?
If your roof uses gutters, keeping them clear helps water move away from the roof edge. Use safe access methods or hire someone when ladders or roof access are required.
Can I tarp my roof before a storm as prevention?
A tarp is generally a temporary damage-mitigation tool, not a preventive roofing system. A sound roof should be repaired using compatible roofing materials and details.
What is the most important monsoon-prep task?
Fix known defects before the weather arrives. A clear drain and intact flashing are more valuable than a long checklist performed around an existing leak.
If summer weather has already damaged your roof, visit Storm & Hail Damage Roofing in Clovis. For ongoing upkeep, see our Clovis roof-maintenance guide.
Request a pre-storm roof evaluation →
Sources & further reading
We use manufacturer, roofing-industry and weather-service guidance as reference points, then apply it to the conditions Clovis-area property owners actually deal with.