Lake Saint Louis, Missouri | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    70% Chance of Storms
    59°
    Sunday 5/5
    Forecast night icon
    59°
    70% Chance of Storms
    Hourly
    Night Details
    Cloudy with showers likely with a slight chance of thunderstorms. Near steady temperature in the lower 60s. East winds around 5 mph. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    40% Chance of Storms
    77°
    Forecast night icon
    Night
    Thunderstorms
    63°
    Monday 5/6
    Day
    77°
    40% Chance of Storms
    Forecast day icon
    Night
    63°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a slight chance of thunderstorms. A chance of showers mainly in the morning. Highs in the upper 70s. Southeast winds around 5 mph. Chance of rain 40 percent.
    Night Details
    Showers with a chance of thunderstorms after midnight. Lows in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain near 100 percent.
  • Forecast day icon
    Tuesday
    Thunderstorms
    80°
    Forecast night icon
    Night
    Mostly Clear
    58°
    Tuesday 5/7
    Day
    80°
    Thunderstorms
    Forecast day icon
    Night
    58°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then clearing. A chance of thunderstorms. Showers mainly in the morning. Highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
    Night Details
    Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. West winds 5 to 10 mph becoming south after midnight. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    Thunderstorms
    76°
    Forecast night icon
    Night
    50% Chance of Storms
    55°
    Wednesday 5/8
    Day
    76°
    Thunderstorms
    Forecast day icon
    Night
    55°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning then showers with thunderstorms likely in the afternoon. Highs in the lower 80s. Chance of rain 90 percent.
    Night Details
    Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    Mostly Sunny
    76°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Thursday 5/9
    Day
    76°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the mid 70s. Lows in the lower 50s.
    Night Details
    Mostly clear. Highs in the mid 70s. Lows in the lower 50s.
  • Forecast day icon
    Friday
    30% Chance of Storms
    66°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Friday 5/10
    Day
    66°
    30% Chance of Storms
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A slight chance of showers in the morning then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 30 percent.
    Night Details
    Mostly clear. Lows around 50.
  • Forecast day icon
    Saturday
    Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Saturday 5/11
    Day
    72°
    Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent.
    Night Details
    Mostly clear. Lows in the lower 50s. Highs in the mid 70s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Clear
    50°
    Sunday 5/12
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the lower 50s. Highs in the mid 70s.
    Night Details
    Clear. Low temperature around 50F. Dew point will be around 49F with an average humidity of 78%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Monday
    30% Chance of Rain
    73°
    Forecast night icon
    Night
    30% Chance of Rain
    54°
    Monday 5/13
    Day
    73°
    30% Chance of Rain
    Forecast day icon
    Night
    54°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 73F. Dew point will be around 52F with an average humidity of 64%. Winds will be 2 mph from the SW.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 54F. Dew point will be around 54F with an average humidity of 80%. Winds will be 2 mph from the S.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    76°
    Forecast night icon
    Night
    30% Chance of Rain
    58°
    Tuesday 5/14
    Day
    76°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 76F. Dew point will be around 56F with an average humidity of 67%. Winds will be 4 mph from the S.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 58F. Dew point will be around 58F with an average humidity of 82%. Winds will be 4 mph from the S.