Lake Saint Louis, Missouri Weather
Lake Saint Louis, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Lake Saint Louis, St. Charles County.
Full aviation weather for Lake Saint Louis is published on the Spirit of St Louis Airport (KSUS) page, 19 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Lake Saint Louis have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Lake Saint Louis: Greensfield Airport (KM71) 19 km · Creve Coeur Airport (K1H0) 25 km · Washington Regional Airport (KFYG) 30 km · St Charles County Regional Airport/Smartt Field (KSET) 34 km · St. Louis Lambert International Airport (KSTL) 36 km
Conditions reported at KSUS describe the airfield itself. Weather 19 km away can differ, particularly in terrain or near the coast. For conditions at Lake Saint Louis specifically, see the current conditions and forecast above.
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 | September 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, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. 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. 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.
