Live National Weather Service alerts, NEXRAD weather radar, hourly forecast, fire-weather outlook, air quality, and 5-day forecast for Gateway Arch National Park, Missouri. Established in 2018 and covering 0.14 square miles. Located in St. Louis County, MO. The park is known for its temperate-forest climate with four distinct seasons, moderate precipitation, and variable severe-weather risk. Free, no login, no ads.
Gateway Arch National Park sits at approximately 38.625°N, 90.185°W. BloomWX surfaces signals that matter for park visitors: hourly weather tied to the park's NWS gridpoint, fire-weather outlooks where relevant, air quality (often degraded by wildfire smoke in summer), sunrise and sunset times for dark-sky observing, and any active alerts for the area. Data refreshes every 60 seconds from weather.gov, USGS, NOAA SWPC, and EPA AirNow. See all Missouri weather dashboards on BloomWX.
BloomWX is a free, ad-free weather operations dashboard. Re-presents official government weather data verbatim — no proprietary forecasts, no consumer-app cruft. Read the BloomWX learn library for beginner-friendly explainers on every surface, including fire weather outlooks, air quality, and NEXRAD radar.