Lake Saint Louis, Missouri | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Sunday
    50% Chance of Storms
    77°
    Forecast night icon
    Night
    Thunderstorms
    62°
    Sunday 4/28
    Day
    77°
    50% Chance of Storms
    Forecast day icon
    Night
    62°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers. A slight chance of thunderstorms this morning then a chance of thunderstorms this afternoon. Highs in the upper 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
    Night Details
    A chance of thunderstorms. Showers. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
  • Forecast day icon
    Monday
    50% Chance of Storms
    72°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Monday 4/29
    Day
    72°
    50% Chance of Storms
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of showers and thunderstorms. Highs in the mid 70s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly clear. Lows in the lower 50s. West winds 5 to 10 mph.
  • Forecast day icon
    Tuesday
    Sunny
    79°
    Forecast night icon
    Night
    Partly Cloudy
    61°
    Tuesday 4/30
    Day
    79°
    Sunny
    Forecast day icon
    Night
    61°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 80s. South winds 5 to 10 mph.
    Night Details
    Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    81°
    Forecast night icon
    Night
    40% Chance of Storms
    63°
    Wednesday 5/1
    Day
    81°
    Partly Cloudy
    Forecast day icon
    Night
    63°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Chance of rain 20 percent.
    Night Details
    Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.
  • Forecast day icon
    Thursday
    70% Chance of Storms
    82°
    Forecast night icon
    Night
    70% Chance of Storms
    62°
    Thursday 5/2
    Day
    82°
    70% Chance of Storms
    Forecast day icon
    Night
    62°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 70 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 70 percent.
  • Forecast day icon
    Friday
    60% Chance of Storms
    71°
    Forecast night icon
    Night
    50% Chance of Storms
    53°
    Friday 5/3
    Day
    71°
    60% Chance of Storms
    Forecast day icon
    Night
    53°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A chance of thunderstorms. A chance of showers in the morning then showers likely in the afternoon. Highs in the mid 70s. Chance of rain 60 percent.
    Night Details
    Partly cloudy. A chance of showers and thunderstorms mainly in the evening. Cooler with lows in the lower 50s. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    Mostly Sunny
    73°
    Forecast night icon
    Night
    Clear
    52°
    Saturday 5/4
    Day
    73°
    Mostly Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny with a 20 percent chance of showers. Highs in the lower 70s.
    Night Details
    Clear. Low temperature around 52F. Dew point will be around 49F with an average humidity of 72%. Winds will be 2 mph from the NW.
  • Forecast day icon
    Sunday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    30% Chance of Rain
    53°
    Sunday 5/5
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 72F. Dew point will be around 51F with an average humidity of 63%. Winds will be 4 mph from the NW.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 53F. Dew point will be around 52F with an average humidity of 77%. Winds will be 3 mph from the N.
  • Forecast day icon
    Monday
    Mostly Sunny
    73°
    Forecast night icon
    Night
    30% Chance of Rain
    57°
    Monday 5/6
    Day
    73°
    Mostly Sunny
    Forecast day icon
    Night
    57°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 73F. Dew point will be around 55F with an average humidity of 68%. Winds will be 1 mph from the N.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 57F. Dew point will be around 57F with an average humidity of 81%. Winds will be 1 mph from the S.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    73°
    Forecast night icon
    Night
    30% Chance of Rain
    54°
    Tuesday 5/7
    Day
    73°
    30% Chance of Rain
    Forecast day icon
    Night
    54°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 25% chance for rain and thunderstorms. High temperature around 73F. Dew point will be around 57F with an average humidity of 71%. Winds will be 3 mph from the NW.
    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 78%. Winds will be 3 mph from the N.