10-Day Weather Forecast - Lake Saint Louis, MO

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  • 19|13°F
    Sunny
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    Today

    19°F

    Sunny cooler. Near steady temperature around 20. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 5 above.

    Tonight

    13°F

    Mostly clear in the evening then becoming partly cloudy. Lows around 13. Southwest winds around 5 mph.

    Hourly details
  • Day

    38°F

    Mostly sunny. Not as cool with highs in the upper 30s. South winds 5 to 10 mph. Wind chill values as low as 5 above in the morning.

    Night

    32°F

    Partly cloudy in the evening then becoming mostly cloudy. Not as cool. Near steady temperature in the lower 30s. South winds 10 to 15 mph with gusts up to 30 mph.

    Hourly details
  • Day

    42°F

    Sunny. Highs in the mid 40s. West winds 10 to 15 mph with gusts up to 25 mph.

    Night

    25°F

    Mostly clear. Lows in the lower 20s. Highs in the mid 30s.

    Hourly details
  • Day

    36°F

    Mostly clear. Lows in the lower 20s. Highs in the mid 30s.

    Night

    21°F

    Mostly cloudy. Lows around 20. Highs in the mid 20s. Wind chill values as low as 5 above.

    Hourly details
  • Day

    19°F

    Mostly cloudy. Lows around 20. Highs in the mid 20s. Wind chill values as low as 5 above.

    Night

    3°F

    Mostly cloudy. A 20 percent chance of snow. Lows around zero. Highs around 15. Wind chill values as low as 15 below.

    Hourly details
  • Weekend Weather

  • Day

    13°F

    Mostly cloudy. A 20 percent chance of snow. Lows around zero. Highs around 15. Wind chill values as low as 15 below.

    Night

    4°F

    Mostly cloudy. A chance of snow mainly in the evening. Lows 5 to 10 above. Chance of snow 30 percent. Wind chill values as low as 5 below.

    Hourly details
  • Day

    20°F

    Mostly sunny. Not as cool with highs in the mid 20s. Wind chill values as low as 5 below in the morning.

    Night

    12°F

    Clear. Low temperature around 12F. Dew point will be around 4F with an average humidity of 62%. Winds will be 2 mph from the SW.

  • Day

    29°F

    Mostly sunny. High temperature around 29F. Dew point will be around 10F with an average humidity of 60%. Winds will be 3 mph from the SW.

    Night

    18°F

    Mostly clear. Low temperature around 18F. Dew point will be around 13F with an average humidity of 70%. Winds will be 2 mph from the SW.

  • Day

    29°F

    Mostly cloudy. High temperature around 29F. Dew point will be around 17F with an average humidity of 68%. Winds will be 2 mph from the SE.

    Night

    18°F

    Cloudy. Low temperature around 18F. Dew point will be around 14F with an average humidity of 68%. Winds will be 2 mph from the N.

  • Day

    28°F

    Mostly cloudy. High temperature around 28F. Dew point will be around 14F with an average humidity of 65%. Winds will be 3 mph from the NW.

    Night

    17°F

    Clear. Low temperature around 17F. Dew point will be around 11F with an average humidity of 68%. Winds will be 3 mph from the NW.