Jewel Cave is a National Monument in South Dakota. Established in 1908. It is known for its cool stable underground temperatures with surface weather typical of the surrounding region. It lies in Custer County, SD. It sits at approximately 43.730°N, 103.829°W. BloomWX surfaces the signals that matter for visitors: hourly weather tied to the local NWS gridpoint, fire-weather outlooks, air quality (often degraded by wildfire smoke in summer), sunrise and sunset times, and any active alerts. Data refreshes every 60 seconds from weather.gov, USGS, NOAA SWPC, and EPA AirNow.
Browse more national monuments, memorials & recreation areas, or the full BloomWX learn library. See more South Dakota weather.