Douglas County, Nebraska · Omaha
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Douglas County averages 51 nights a year at 20°F or colder, mostly November to March, and 28% of its homes predate 1960.
May brings the most downpours to Douglas County, part of 7 heavy-rain days a year. Check the sump first.
28% of homes here predate 1960, when clay and cast iron sewer laterals were standard. Roots and cracks in those lines are a common cause of backups.
In Douglas County, 3.26 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
2% of occupied homes in Douglas County heat mainly with wood or propane, below the Nebraska county median of 19.4%.
Muggy summer nights, lows of 65°F or more, come about 50 times a year in Douglas County. Mold after a leak spreads fastest from June through August.
Local risk profile
Douglas County covers 327 square miles of eastern Nebraska, with about 590,736 residents and 251,553 homes. Besides Omaha, the county seat, the biggest communities are Ralston, Valley and Bennington. The county's median home was built in 1977.
42/100 Water Damage Risk Index: Moderate Douglas County ranks 76 of 93 Nebraska counties. See the statewide ranking and method.The three factors where Douglas County ranks highest compared with other Nebraska counties.
Douglas County is milder than most of Nebraska, but not mild enough to skip winterizing. It averaged 126 freezing nights a year over 2015–2024, 51 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 93 Nebraska counties that's 81st.
The longest cold spell was straight 16 days without the temperature rising above freezing, ending in January 2018. The coldest night reached about -25°F on February 16, 2021. Burst pipes usually show up when a spell like that breaks and the ice thaws.
Expect the hardest freezes in January, inside a season that runs November to March. 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 20 and the last spring freeze around Apr 17.
Heavy rain is a bigger factor here than in most of Nebraska. About 7 days a year bring an inch or more (7th of 93), most often in May, out of 32.4 inches of total precipitation. On August 31, 2021, 3.26 inches fell in a single day. Multi-day storms matter most for basements; the wettest three days on record here totaled 4.05 inches (through August 31, 2021).
About 90 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
54% of homes in Douglas County predate 1980, below the Nebraska county median of 73.1%, which ranks 89th of Nebraska's 93 counties.
Since 2000 the county has added enough housing that 25% of homes are that new. Modern PEX and copper rarely fail on their own; the leaks come from connections, appliances and storms.
Renters occupy 39% of homes. If you rent, the building is usually the landlord's to repair, but your belongings are only covered by renters insurance.
Beyond water
Douglas County averages 50 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 expectMain heating fuel in Douglas County's occupied homes: 72% utility gas, 25% electric, 2% propane and under 1% wood. Fires here are likelier to start in the kitchen or the wiring than in the furnace. After any fire, keep the HVAC off until ducts are checked, or soot will travel through the house.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Douglas County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Dodge, Saunders and Washington get more pipe-freeze nights than Douglas. Dodge County has the oldest housing nearby, with 68% of homes built before 1980.
By the numbers
| Factor | Douglas | Nebraska median | Rank |
|---|---|---|---|
| Homes built before 1960 | 28% | 49% | 90 of 93 |
| Homes built before 1980 | 54% | 73% | 89 of 93 |
| Homes built 2000 or later | 25% | 12% | 5 of 93 |
| Manufactured or mobile homes | 0.9% | 5% | 92 of 93 |
| Vacant homes | 5.2% | 14% | 87 of 93 |
| Wood or propane heat | 1.6% | 19% | 93 of 93 |
| Nights at 20°F or colder | 51/yr | 64/yr | 81 of 93 |
| Days with 1 inch+ of rain | 7/yr | 5.1/yr | 7 of 93 |
| Freeze-thaw days | 90/yr | 112/yr | 93 of 93 |
| Muggy nights (65°F+) | 50/yr | 27/yr | 2 of 93 |
Rank 1 is the highest value. Bars run from the lowest to the highest Nebraska county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Douglas County: freezing from November to March, heavy rain in May, June 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