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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.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near Lake Saint Louis — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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🌿 Air Quality
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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Lake Saint Louis and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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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.

LocationLake Saint Louis, St. Charles County, Missouri
Coordinates38.797552°N, 90.785685°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)63367
Area Code314
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service