Cool Valley, Missouri Weather
Cool Valley, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Cool Valley, St. Louis County.
Flight conditions near Cool Valley. Data source: locating…
About Cool Valley, Missouri
Cool Valley unfolds across rolling terrain, a landscape sculpted by the slow, persistent work of water and time. It lies 4.3 miles south of Florissant, MO (from Florissant, MO: bearing 171°T), and is situated 9.2 miles north-west of St. Louis. The ground here is a study in subtle shifts, rising and falling in soft swells that give way to more defined slopes as one moves through its residential streets and patches of woodland. Mature trees, their branches reaching like weathered hands, offer a dappled shade that shifts with the sun’s arc, creating pockets of cool stillness even on warmer days. The air, especially in the early morning, carries the faint, earthy scent of damp soil and decaying leaves, a testament to the region’s verdant, humid summers and crisp, often snow-dusted winters. The character of Cool Valley is one of quiet persistence, a place where the natural world still holds a significant presence, even as human habitation has shaped its contours. The history of Cool Valley is intertwined with the broader narrative of St. Louis County's development, a story of westward expansion and the search for fertile ground. Early settlers found the undulating topography and access to local waterways conducive to farming, though the region's economic backbone has long since shifted from agriculture to the suburban sprawl that now defines much of the county. The local economy is a mosaic, reflecting the diverse needs of a modern populace, with small businesses and service industries forming the everyday hum of commerce. While there are no grand monuments or widely publicized attractions within Cool Valley itself, its distinctiveness lies in its understated charm and the sense of established community that permeates its neighborhoods. The rhythm of life here is generally unhurried, a steady beat that echoes the enduring, quiet strength of the land itself.
Live animated radar for Cool Valley and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Cool Valley, St. Louis County, Missouri |
| Coordinates | 38.727829°N, 90.310114°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 63121 |
| Area Code | 314 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Cool Valley, Missouri Weather Page
This page provides live weather conditions and forecasts for Cool Valley, Missouri, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Cool Valley includes coordinates 38.727829°N, 90.310114°W, situated in St. Louis County. ZIP code 63121. Telephone area code: 314. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
