Loading lake details...
Loading lake details...

Lake Saint Louis, MO · St. Charles County
Right Now
Clear
Water
83°
Wind
1 mph
NE
Gusts
3 mph
Pressure
29.95
falling
Forecast - Sat, Jun 13
High / Low
82° / 66°
Wind
4 mph
gusts 12 mph
Precip
76%
UV
5
Sunrise
10:37 AM
Sunset
1:29 AM
Today Read
Lake Saint LouisWind read
Calm
4 mph avg
Water read
83°
Warm-water bite
Air range
66° / 82°
today
Precip
76%
watch timing
Today's forecast for Lake Saint Louis has calm wind, 66F to 82F air temperatures, 76% chance of precipitation, and 83F water.
Turn Lake Saint Louis's live water temp, forecast, solunar timing, and fish data into a plan for today — what to throw, when to go, and when to move.
Fishing Forecast
waning crescent
Major
4:01 PM - 6:31 PM
Minor
8:16 AM - 9:46 AM
Detailed temperature readings across your lake.
No credit card required for preview
Water Temperature History
Current
84°
Jun 21
Low
33°
Dec 9
Average
60°
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
5am - 4am
Peak Wind
8 mph
11pm
Peak Gust
12 mph
highest gust
Pressure
29.97 inHg
steady
Visibility
15 mi
7% 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
3/5waning crescent
Water at 83°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.