Madison County, Arkansas · Huntsville
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Pipes freeze in Madison County on about 18 nights a year, mostly December to February. Older homes, 16% of the stock here, are most at risk.
Heavy rain days of an inch or more come about 14.7 times a year here, most often in May. A sump pump that hasn't run since last season is a common weak point.
Backups often follow heavy rain, which Madison County gets about 14.7 days a year, when storm water overloads sewer mains and pushes up through the lowest drain in the house.
Roof leaks here come from summer downpours and, with about 67 freeze-thaw days a year, from winter ice dams. Most show up as ceiling stains in the room below.
45% of occupied homes in Madison County heat mainly with wood or propane, above the Arkansas county median of 10.9%.
With 63 muggy nights a year, mold in Madison County can appear within days of a leak. Dry first, then clean.
Local risk profile
About 17,329 people live in Madison County, 834 square miles in northwest Arkansas, in roughly 7,744 homes. Huntsville is the county seat; Wesley, Hindsville and St. Paul are the next largest communities. Much of its housing is recent, with a median build year of 1990.
50/100 Water Damage Risk Index: Elevated Madison County ranks 39 of 75 Arkansas counties. See the statewide ranking and method.The three factors where Madison County ranks highest compared with other Arkansas counties.
Madison is on the colder side of Arkansas for pipes. From 2015–2024 it averaged 18 nights a year at 20°F or colder, the range where pipes in exterior walls, crawl spaces and unheated garages freeze, and 74 nights at or below 32°F. That ranks 1st of 75 counties.
On February 16, 2021 the low fell to about -12°F, and in the stretch ending February 2021 the county went 10 days in a row below freezing. Leaks from split pipes typically appear the day the thaw arrives.
Expect the hardest freezes in January, inside a season that runs December to February. That's when an outdoor spigot left connected to a hose, or a pipe in a crawl space, is most likely to split.
On average the first fall freeze arrives around Oct 31 and the last spring freeze around Apr 1.
Madison gets fewer downpours than most Arkansas counties, but they still fill basements. The county gets about 52.3 inches of rain and melted snow a year, with 14.7 days of an inch or more (64th of 75). Those downpours cluster in March, May and August, when sump pumps and gutters are tested hardest. The wettest day on record brought 4.45 inches on December 28, 2015. Multi-day storms matter most for basements; the wettest three days on record here totaled 8.07 inches (through December 28, 2015).
About 67 days a year swing from below freezing at night to above freezing by day. Those freeze-thaw cycles feed ice dams on roofs, open cracks in foundations and driveways, and stress pipes that are already marginal.
Housing
Arkansas's 75 counties range widely in housing age; Madison ranks 62nd, with 36% of its homes built before 1980.
32% of homes were built in 2000 or later, more than in most of Arkansas. Newer plumbing rarely corrodes, so damage here tends to come from appliance supply lines, water heaters, sump pumps and storms.
About 33% of homes went up between 1980 and 1999. Some houses from the late 1970s to the mid-1990s were plumbed with polybutylene, a gray plastic pipe known for failing at fittings. A plumber can tell you in a few minutes whether you have it.
Manufactured and mobile homes make up 18% of the housing here. Water lines in the underbelly depend on intact skirting and working heat tape, and they're usually the first to freeze in a cold snap.
Beyond water
Madison County averages 63 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in May. Keep indoor humidity under 60%, as the EPA advises, and dry any leak within 24 to 48 hours; in a humid month a wet basement left alone won't dry by itself.
Mold remediation: what to expectHeating fuel matters for fire risk. In Madison County it's 21% utility gas, 33% electric, 27% propane and 18% wood. Wood and propane heat are more common here than in most Arkansas counties. Heating equipment is one of the leading causes of home fires nationally, and the NFPA recommends having chimneys and vents inspected every year.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Madison County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Madison gets more pipe-freeze nights than any of its neighbors. Newton County has the oldest housing nearby, with 47% of homes built before 1980.
By the numbers
| Factor | Madison | Arkansas median | Rank |
|---|---|---|---|
| Homes built before 1960 | 16% | 15% | 34 of 75 |
| Homes built before 1980 | 36% | 46% | 62 of 75 |
| Homes built 2000 or later | 32% | 23% | 12 of 75 |
| Manufactured or mobile homes | 18% | 15% | 29 of 75 |
| Vacant homes | 17% | 18% | 46 of 75 |
| Wood or propane heat | 45% | 11% | 4 of 75 |
| Nights at 20°F or colder | 18/yr | 6/yr | 1 of 75 |
| Days with 1 inch+ of rain | 15/yr | 17/yr | 64 of 75 |
| Freeze-thaw days | 67/yr | 48/yr | 8 of 75 |
| Muggy nights (65°F+) | 63/yr | 105/yr | 75 of 75 |
Rank 1 is the highest value. Bars run from the lowest to the highest Arkansas county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Madison County: freezing from December to February, heavy rain in March, May and August.
Sources: U.S. Census Bureau, ACS 2024 5-year estimates (2020-2024); weather from NOAA nClimGrid-Daily county averages (EpiNOAA), 2015–2024, averaged across the county; county boundaries from Census TIGER. Reviewed 2026-10-21. Methodology