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Lake Saint Louis, MO · St. Charles County
Right Now
Mostly Clear
Water
71°
Wind
2 mph
ENE
Gusts
5 mph
Pressure
29.93
steady
Forecast - Thu, May 28
High / Low
85° / 64°
Wind
6 mph
gusts 19 mph
Precip
0%
UV
5
Sunrise
10:41 AM
Sunset
1:19 AM
Today Read
Lake Saint LouisWind read
Calm
6 mph avg
Water read
71°
Warm-water bite
Air range
64° / 85°
today
Precip
0%
low concern
Today's forecast for Lake Saint Louis has calm wind, 64F to 85F air temperatures, 0% chance of precipitation, and 71F water.
The planner reads this page's water temp, forecast, fish species, solunar timing, reports, and imagery context so you can decide what to throw, when to go, and when to move.
Today's AI read
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. Wind is not the main constraint, so timing and presentation can drive the plan. With a weak solunar score, favor stable weather windows.
Uses this lake data
Trip read from the AI planner
FishableFishing Forecast
waxing gibbous
Major
5:00 AM - 5:00 AM
Minor
10:44 PM - 12:14 AM
Detailed temperature readings across your lake.
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Water Temperature History
Current
78°
Jun 7
Low
33°
Dec 9
Average
58°
Last 12 Months
Warmest avg: July (85°F)
Coolest avg: December (37°F)
Rapid warming: February → March (+13°F)
Sharpest cooling: September → October (-17°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
12am - 11pm
Peak Wind
11 mph
2pm
Peak Gust
19 mph
highest gust
Pressure
29.98 inHg
rising
Visibility
14 mi
40% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
2/5waxing gibbous
Water at 71°F -- warm-water species active.
Nearby Lakes
FAQ
Lake Saint Louis covers 444.60 acres (0.69 square miles) with a maximum depth of 12.71 meters (~42 feet).
Lake Saint Louis is located in Lake Saint Louis, St. Charles County, MO. It is accessible to the public for outdoor activities.