10-Day Weather Forecast - Saint Clair, MO

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  • |43°F
    Mostly Cloudy
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    Tonight

    43°F

    Mostly cloudy. Areas of fog. Cooler. Near steady temperature in the upper 40s. Light and variable winds becoming east around 5 mph.

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  • Weekend Weather

  • Day

    65°F

    Areas of fog in the morning. Mostly cloudy. Highs in the upper 60s. Southeast winds 5 to 10 mph.

    Night

    62°F

    Cloudy. A slight chance of rain after midnight. Not as cool. Near steady temperature in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

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  • Day

    71°F

    Cloudy with a slight chance of thunderstorms. A chance of rain in the morning then rain in the afternoon. Highs in the lower 70s. Temperature falling into the lower 60s in the afternoon. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 80 percent.

    Night

    20°F

    Mostly cloudy with a chance of rain in the evening then partly cloudy after midnight. Much cooler. Less humid with lows around 17. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 50 percent. Wind chill values as low as 2 above after midnight.

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  • Day

    26°F

    Mostly clear. Highs in the upper 20s. Lows 15 to 20. Wind chill values as low as zero.

    Night

    18°F

    Mostly clear. Highs in the upper 20s. Lows 15 to 20. Wind chill values as low as zero.

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  • Day

    36°F

    Sunny. Not as cool with highs in the upper 30s.

    Night

    29°F

    Mostly clear in the evening then becoming partly cloudy. Not as cool with lows in the mid 20s.

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  • Day

    43°F

    Partly sunny. Highs in the mid 40s.

    Night

    23°F

    Partly cloudy. Lows 15 to 20. Highs in the lower 30s.

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  • Day

    28°F

    Partly cloudy. Lows 15 to 20. Highs in the lower 30s.

    Night

    16°F

    Partly cloudy. Lows 15 to 20. Highs in the lower 30s.

    Hourly details
  • Day

    36°F

    Partly cloudy. Lows 15 to 20. Highs in the lower 30s.

    Night

    30°F

    Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 30F. Dew point will be around 19F with an average humidity of 62%. Winds will be 3 mph from the SE.

  • Weekend Weather

  • Day

    37°F

    Mostly cloudy. High temperature around 37F. Dew point will be around 23F with an average humidity of 62%. Winds will be 2 mph from the E.

    Night

    31°F

    Mostly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 31F. Dew point will be around 25F with an average humidity of 71%. Winds will be 2 mph from the E.

  • Day

    38°F

    Cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. High temperature around 38F. Dew point will be around 27F with an average humidity of 69%. Winds will be 2 mph from the E.

    Night

    35°F

    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 35F. Dew point will be around 29F with an average humidity of 77%. Winds will be 2 mph from the SE.