Daylight through the yearLongest day (Jun 21): 15 h 38 min4:56 am – 8:34 pmShortest day (Dec 21): 8 h 45 min7:18 am – 4:04 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 86°F, lows 59°FColdest month January: highs 27°F, lows 7°F19 in of rain a year, on about 44 dayswettest month June41 in of snow a year, on about 26 days24 days above 90°F, 173 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Timber Lake station, 25 mi away
Nearby landmarksGoose Creek Damreservoir · 7.4 miSource: USGS Geographic Names Information System
Parks and public landsOaha Recreation Arearecreation area · 5.0 mi · 314,305 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes3 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.7 on 30 May 202433 mi away, near Pierre, South DakotaMost recent: magnitude 3.7 on 30 May 202433 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowDewey County, SD, compared with all US countiesHigher-risk hazardsCold wave Very HighWinter weather Relatively HighSource: FEMA National Risk Index (county level)
Air quality93% of days had good air in 2025333 of 358 days measured24 moderate, 1 unhealthy for sensitive groups daysMedian index 18, worst day 112main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Hughes County, SD, 66 mi away
Drinking waterEagle Butteserves 4,000 people from surface water purchased1 health-based violation since 2021latest Nov 2024: coliform bacteria, treatment technique3 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation2,283 ft696 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalEagle Butte Hospital19.7 miPost officeRidgeview Post Office3.5 miSource: USGS National Structures Dataset
Getting aroundAirportPierre Regional Airport PIR57 miUS highwayUS 2122.8 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 57647 ZIP area.
