Lake Saint Louis, Missouri | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    70% Chance of Storms
    70°
    Forecast night icon
    Night
    70% Chance of Storms
    65°
    Friday 4/26
    Day
    70°
    70% Chance of Storms
    Forecast day icon
    Night
    65°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Highs in the lower 70s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent.
    Night Details
    Mostly cloudy with a chance of thunderstorms. Showers likely mainly in the evening. Not as cool with lows in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    79°
    Forecast night icon
    Night
    Mostly Cloudy
    66°
    Saturday 4/27
    Day
    79°
    50% Chance of Storms
    Forecast day icon
    Night
    66°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a slight chance of showers and thunderstorms in the morning then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs around 80. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 50 percent.
    Night Details
    Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    79°
    Forecast night icon
    Night
    Thunderstorms
    64°
    Sunday 4/28
    Day
    79°
    50% Chance of Storms
    Forecast day icon
    Night
    64°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a slight chance of showers in the morning then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Breezy with highs around 80. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent.
    Night Details
    Showers with a chance of thunderstorms. Lows in the lower 60s. Chance of rain 90 percent.
  • Forecast day icon
    Monday
    70% Chance of Storms
    74°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Monday 4/29
    Day
    74°
    70% Chance of Storms
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 70 percent.
    Night Details
    Partly cloudy with a slight chance of showers and thunderstorms in the evening then mostly clear after midnight. Lows in the mid 50s. Chance of rain 20 percent.
  • Forecast day icon
    Tuesday
    Sunny
    83°
    Forecast night icon
    Night
    Partly Cloudy
    61°
    Tuesday 4/30
    Day
    83°
    Sunny
    Forecast day icon
    Night
    61°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.
    Night Details
    Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    40% Chance of Storms
    78°
    Forecast night icon
    Night
    50% Chance of Storms
    62°
    Wednesday 5/1
    Day
    78°
    40% Chance of Storms
    Forecast day icon
    Night
    62°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A slight chance of showers and thunderstorms in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    77°
    Forecast night icon
    Night
    40% Chance of Rain
    53°
    Thursday 5/2
    Day
    77°
    50% Chance of Storms
    Forecast day icon
    Night
    53°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly sunny with a chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 53F. Dew point will be around 56F with an average humidity of 82%. Winds will be 5 mph from the N.
  • Forecast day icon
    Friday
    30% Chance of Rain
    73°
    Forecast night icon
    Night
    30% Chance of Rain
    53°
    Friday 5/3
    Day
    73°
    30% Chance of Rain
    Forecast day icon
    Night
    53°
    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 8 mph from the NE.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 53F. Dew point will be around 53F with an average humidity of 78%. Winds will be 6 mph from the NE.
  • Forecast day icon
    Saturday
    Sunny
    74°
    Forecast night icon
    Night
    30% Chance of Rain
    57°
    Saturday 5/4
    Day
    74°
    Sunny
    Forecast day icon
    Night
    57°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 74F. Dew point will be around 55F with an average humidity of 68%. Winds will be 6 mph from the E.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 57F. Dew point will be around 57F with an average humidity of 81%. Winds will be 4 mph from the E.
  • Forecast day icon
    Sunday
    40% Chance of Rain
    77°
    Forecast night icon
    Night
    40% Chance of Rain
    60°
    Sunday 5/5
    Day
    77°
    40% Chance of Rain
    Forecast day icon
    Night
    60°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 77F. Dew point will be around 60F with an average humidity of 71%. Winds will be 3 mph from the SE.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 60F. Dew point will be around 60F with an average humidity of 83%. Winds will be 1 mph from the NW.