10-Day Weather Forecast - Lake Saint Louis, MO

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  • |24°F
    30% Chance Rain Showers
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    Tonight

    24°F

    Mostly cloudy. Scattered rain showers and flurries this evening. Breezy and much cooler with lows in the mid 20s. Northwest winds 15 to 25 mph with gusts up to 45 mph. Chance of precipitation 30 percent.

    Hourly details
  • Day

    38°F

    Sunny. Much cooler with highs in the upper 30s. Northwest winds 15 to 20 mph with gusts up to 35 mph becoming southwest 5 to 10 mph in the afternoon.

    Night

    37°F

    Mostly clear in the evening then becoming partly cloudy. Near steady temperature in the lower 30s. South winds 10 to 15 mph with gusts up to 25 mph.

    Hourly details
  • Weekend Weather

  • Day

    55°F

    Mostly sunny. Not as cool with highs in the mid 50s. South winds 10 to 15 mph becoming west in the afternoon.

    Night

    33°F

    Partly cloudy. Lows in the upper 20s. Northwest winds 5 to 10 mph.

    Hourly details
  • Day

    45°F

    Partly cloudy. Highs in the lower 40s. Lows in the upper 20s.

    Night

    34°F

    Partly cloudy. Highs in the lower 40s. Lows in the upper 20s.

    Hourly details
  • Day

    48°F

    Mostly cloudy. Highs in the upper 40s. Lows around 40.

    Night

    45°F

    Mostly cloudy. Highs in the upper 40s. Lows around 40.

    Hourly details
  • Day

    59°F

    Mostly sunny. Not as cool with highs in the lower 60s.

    Night

    50°F

    Mostly cloudy. Lows in the upper 40s. Highs in the upper 60s.

    Hourly details
  • Day

    66°F

    Mostly cloudy. Lows in the upper 40s. Highs in the upper 60s.

    Night

    60°F

    Mostly cloudy. Lows in the mid 50s.

    Hourly details
  • Day

    70°F

    Mostly sunny. Highs in the upper 60s.

    Night

    52°F

    Mostly clear. Low temperature around 52F. Dew point will be around 53F with an average humidity of 84%. Winds will be 6 mph from the W.

  • Day

    62°F

    Mostly sunny. High temperature around 62F. Dew point will be around 51F with an average humidity of 76%. Winds will be 4 mph from the SW.

    Night

    49°F

    Partly cloudy. Low temperature around 49F. Dew point will be around 49F with an average humidity of 84%. Winds will be 2 mph from the S.

  • Weekend Weather

  • Day

    58°F

    Mostly cloudy. High temperature around 58F. Dew point will be around 49F with an average humidity of 80%. Winds will be 2 mph from the NE.

    Night

    46°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 46F. Dew point will be around 46F with an average humidity of 84%. Winds will be 4 mph from the NE.