Roger Mills County, Oklahoma · Cheyenne
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Roger Mills County averages 19 nights a year at 20°F or colder, mostly December to February, and 34% of its homes predate 1960.
Heavy rain days of an inch or more come about 5.3 times a year here, most often in April. A sump pump that hasn't run since last season is a common weak point.
Backups often follow heavy rain, which Roger Mills County gets about 5.3 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 80 freeze-thaw days a year, from winter ice dams. Most show up as ceiling stains in the room below.
29% of occupied homes in Roger Mills County heat mainly with wood or propane, above the Oklahoma county median of 12.5%.
Muggy summer nights, lows of 65°F or more, come about 80 times a year in Roger Mills County. Mold after a leak spreads fastest from June through August.
Local risk profile
About 3,359 people live in Roger Mills County, 1,141 square miles in central Oklahoma, in roughly 1,847 homes. The county seat is Cheyenne, and Hammon, Reydon and Sweetwater round out the largest towns. The county's median home was built in 1974.
51/100 Water Damage Risk Index: Elevated Roger Mills County ranks 37 of 77 Oklahoma counties. See the statewide ranking and method.The three factors where Roger Mills County ranks highest compared with other Oklahoma counties.
Roger Mills is on the colder side of Oklahoma for pipes. It averaged 86 freezing nights a year over 2015–2024, 19 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 77 Oklahoma counties that's 13th.
On February 16, 2021 the low fell to about -7°F, and in the stretch ending February 2021 the county went 11 days in a row below freezing. Leaks from split pipes typically appear the day the thaw arrives.
Most freezing nights fall from December to February, peaking in January. Disconnect garden hoses and shut off outdoor spigots before the first hard frost, and keep the heat at 55°F or higher if you'll be away.
On average the first fall freeze arrives around Oct 31 and the last spring freeze around Apr 4.
Roger Mills gets fewer downpours than most Oklahoma counties, but they still fill basements. Of roughly 25.5 inches of yearly precipitation, the damage comes from the 5.3 days a year with an inch or more, ranked 73rd of 77. April, May and July see the most. The single wettest day in the record: 3.45 inches, October 8, 2018. Multi-day storms matter most for basements; the wettest three days on record here totaled 6.19 inches (through October 9, 2018).
Freeze-thaw days, below freezing overnight and above it by afternoon, come about 80 times a year here. They're the main driver of ice dams and of water working its way through foundation cracks in late winter.
Housing
Oklahoma's 77 counties range widely in housing age; Roger Mills ranks 27th, with 60% of its homes built before 1980.
34% were built before 1960. Homes from that era often still have galvanized steel supply pipe, which rusts from the inside until it pinholes, and cast iron drains that crack with age. Slow leaks behind walls are a common start to water damage in these houses.
Manufactured and mobile homes make up 15% 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.
23% of homes were vacant at survey time. A leak in an empty rental or seasonal house can run for days before anyone notices, which is why those losses tend to be larger.
Beyond water
About 80 nights a year in Roger Mills County stay at 65°F or warmer, a sign of muggy summer air (70th of 77 counties). May is the wettest month. 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 expectBy main heating fuel, Roger Mills County homes break down as 25% utility gas, 46% electric, 24% propane and 5% wood. Wood and propane heat are above the Oklahoma norm. Annual chimney and vent inspection, which the NFPA recommends, is one of the most effective fire-prevention habits for these homes.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Roger Mills County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Dewey and Ellis get more pipe-freeze nights than Roger Mills. All of its neighbors see more heavy-rain days. Ellis County has the oldest housing nearby, with 68% of homes built before 1980.
By the numbers
| Factor | Roger Mills | Oklahoma median | Rank |
|---|---|---|---|
| Homes built before 1960 | 34% | 24% | 18 of 77 |
| Homes built before 1980 | 60% | 55% | 27 of 77 |
| Homes built 2000 or later | 19% | 22% | 49 of 77 |
| Manufactured or mobile homes | 15% | 12% | 29 of 77 |
| Vacant homes | 23% | 17% | 17 of 77 |
| Wood or propane heat | 29% | 13% | 2 of 77 |
| Nights at 20°F or colder | 19/yr | 13/yr | 13 of 77 |
| Days with 1 inch+ of rain | 5.3/yr | 11/yr | 73 of 77 |
| Freeze-thaw days | 80/yr | 65/yr | 11 of 77 |
| Muggy nights (65°F+) | 80/yr | 98/yr | 70 of 77 |
Rank 1 is the highest value. Bars run from the lowest to the highest Oklahoma county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Roger Mills County: freezing from December to February, heavy rain in April, May and July.
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