Lake Saint Louis, Missouri Weather
Lake Saint Louis, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Lake Saint Louis, St. Charles County.
Flight conditions near Lake Saint Louis. Data source: locating…
About Lake Saint Louis, Missouri
Lake Saint Louis unfolds as a serene expanse of water, its surface often mirroring the vast Missouri sky, a gentle undulation of blue beneath a sun that casts long, warm shadows across the manicured lawns and winding streets. It lies 3.7 miles east-south-east of Wentzville, MO (from Wentzville, MO: bearing 105°T), and is situated 4.7 miles west of O'Fallon. The landscape here is a thoughtful blend of carefully planned residential neighborhoods and the natural grace of rolling terrain, where mature trees stand sentinel along the shoreline and the air carries the faint, sweet scent of blooming ornamental shrubs in the warmer months. Public access points reveal sandy shores, small docks where boats rest like patient dreams, and pathways that invite quiet contemplation amidst the rustling leaves, all contributing to a sense of ordered tranquility. This carefully cultivated community of Lake Saint Louis has its roots in a vision of lakeside living, a development that transformed agricultural land into a distinctive residential and recreational hub. The local economy, while diverse, often draws strength from the services and amenities that cater to its residents, fostering a sense of self-sufficiency and local pride. The presence of the lake itself is the undeniable character of Lake Saint Louis, a constant, shimmering presence that dictates the rhythm of outdoor activities, from early morning fishing excursions to the gentle lapping of water against kayaks at sunset, a quiet testament to the enduring appeal of life by the water.
Live animated radar for Lake Saint Louis 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 | Lake Saint Louis, St. Charles County, Missouri |
| Coordinates | 38.797552°N, 90.785685°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 63367 |
| Area Code | 314 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Lake Saint Louis, Missouri Weather Page
This page provides live weather conditions and forecasts for Lake Saint Louis, 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 Lake Saint Louis includes coordinates 38.797552°N, 90.785685°W, situated in St. Charles County. ZIP code 63367. 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.
