10-Day Weather Forecast - Lake Saint Louis, MO

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  • 49|27°F
    Mostly Sunny
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    Today

    49°F

    Mostly sunny and breezy. Near steady temperature in the mid 40s. Northwest winds 15 to 25 mph with gusts up to 35 mph.

    Tonight

    27°F

    Partly cloudy in the evening then becoming mostly clear. Lows in the lower 20s. North winds 5 to 10 mph. Gusts up to 30 mph in the evening.

    Hourly details
  • Weekend Weather

  • Day

    37°F

    Sunny cooler with highs in the mid 30s. Northeast winds around 5 mph becoming southeast in the afternoon.

    Night

    31°F

    Mostly cloudy. Lows in the mid 20s. Southeast winds 5 to 10 mph.

    Hourly details
  • Day

    54°F

    Mostly sunny. Not as cool with highs in the lower 50s. South winds 5 to 10 mph.

    Night

    33°F

    Mostly clear. Lows in the lower 30s. Highs around 60.

    Hourly details
  • Day

    61°F

    Mostly clear. Lows in the lower 30s. Highs around 60.

    Night

    47°F

    Mostly clear in the evening then becoming mostly cloudy. Lows in the lower 40s.

    Hourly details
  • Day

    70°F

    Mostly cloudy. A slight chance of rain in the morning then a chance of rain in the afternoon. Highs in the mid 60s. Chance of rain 40 percent.

    Night

    42°F

    Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s.

    Hourly details
  • Day

    47°F

    Mostly cloudy with a 20 percent chance of rain. Cooler with highs around 50.

    Night

    32°F

    Mostly cloudy with a slight chance of rain and snow. Lows in the lower 30s. Highs in the mid 40s. Chance of precipitation 20 percent.

    Hourly details
  • Day

    46°F

    Mostly cloudy with a slight chance of rain and snow. Lows in the lower 30s. Highs in the mid 40s. Chance of precipitation 20 percent.

    Night

    35°F

    Mostly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 35F. Dew point will be around 28F with an average humidity of 70%. Winds will be 2 mph from the E.

  • Day

    47°F

    Cloudy. High temperature around 47F. Dew point will be around 32F with an average humidity of 67%. Winds will be 4 mph from the SE.

    Night

    36°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 36F. Dew point will be around 34F with an average humidity of 79%. Winds will be 3 mph from the E.

  • Weekend Weather

  • Day

    45°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 45F. Dew point will be around 34F with an average humidity of 72%. Winds will be 2 mph from the E.

    Night

    35°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 35F. Dew point will be around 32F with an average humidity of 76%. Winds will be 2 mph from the N.

  • Day

    48°F

    Partly cloudy. High temperature around 48F. Dew point will be around 33F with an average humidity of 65%. Winds will be 2 mph from the W.

    Night

    35°F

    Clear. Low temperature around 35F. Dew point will be around 31F with an average humidity of 71%. Winds will be 2 mph from the SE.