Daylight through the yearLongest day (Jun 21): 15 h 32 min5:04 am – 8:36 pmShortest day (Dec 21): 8 h 51 min7:21 am – 4:12 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 87°F, lows 58°FColdest month January: highs 31°F, lows 7°F17 in of rain a year, on about 41 dayswettest month May43 in of snow a year, on about 17 days37 days above 90°F, 181 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Plainview 6 Ssw station, 15 mi away
Nearby landmarksHammann Lakelake · 3.7 miStony Buttespeak · 3.8 miKirk Cordes Number 30 Reservoirreservoir · 4.3 miPierce Lakelake · 5.6 miKirk Cordes Number 10 Reservoirreservoir · 6.1 miMarvin Buttepeak · 7.2 miSource: USGS Geographic Names Information System
Parks and public landsBadlands National Parknational park · 28.0 mi · 111,331 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes1 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.1 on 7 Feb 200729 mi away, near Wasta, South DakotaMost recent: magnitude 3.1 on 7 Feb 200729 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowPennington County, SD, compared with all US countiesHigher-risk hazardsHail Relatively HighWinter weather Relatively HighLightning Relatively HighIce storm Relatively HighSource: FEMA National Risk Index (county level)
Air quality77% of days had good air in 2025282 of 364 days measured81 moderate, 1 unhealthy for sensitive groups daysMedian index 32, worst day 107main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Pennington County monitors, SD
Drinking waterRapid Cityserves 72,009 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation2,485 ft757 m above sea levelSource: USGS 3D Elevation Program
Getting aroundAirportRapid City Regional Airport RAP49 miInterstateI-9020 miUS highwayUS 1420 miCoachWallJefferson Lines23 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 57729 ZIP area.