10-Day Weather Forecast - Saint Clair, MO

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  • |43°F
    70% Chance of Rain
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    Tonight

    43°F

    Cloudy with rain likely. Lows in the upper 30s. Northwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent.

    Hourly details
  • Day

    42°F

    Partly sunny with a chance of sprinkles and flurries in the morning then sunny in the afternoon. Much cooler with highs around 40. Temperature falling into the lower 30s in the afternoon. North winds 15 to 20 mph with gusts up to 30 mph.

    Night

    18°F

    Clear. Much cooler with lows around 16. Northwest winds 5 to 10 mph with gusts up to 25 mph.

    Hourly details
  • Day

    34°F

    Sunny. Highs in the mid 30s. Northwest winds around 5 mph becoming southwest in the afternoon.

    Night

    29°F

    Mostly cloudy with a slight chance of snow in the evening then partly cloudy after midnight. Not as cool. Near steady temperature in the lower 30s. Temperature rising into the lower 30s after midnight. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of snow 20 percent.

    Hourly details
  • Day

    42°F

    Mostly cloudy. Highs in the mid 40s. Lows around 20.

    Night

    21°F

    Mostly cloudy. Highs in the mid 40s. Lows around 20.

    Hourly details
  • Weekend Weather

  • Day

    26°F

    Partly sunny. Much cooler with highs in the upper 20s.

    Night

    10°F

    Mostly clear. Lows around 10 above. Highs in the mid 30s. Wind chill values as low as zero.

    Hourly details
  • Day

    29°F

    Mostly clear. Lows around 10 above. Highs in the mid 30s. Wind chill values as low as zero.

    Night

    18°F

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

    Hourly details
  • Day

    30°F

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

    Night

    17°F

    Mostly clear. Lows 10 to 15. Highs in the upper 30s.

    Hourly details
  • Day

    37°F

    Mostly clear. Lows 10 to 15. Highs in the upper 30s.

    Night

    26°F

    Clear. Low temperature around 26F. Dew point will be around 16F with an average humidity of 61%. Winds will be 4 mph from the S.

  • Day

    42°F

    Partly cloudy. High temperature around 42F. Dew point will be around 27F with an average humidity of 64%. Winds will be 5 mph from the S.

    Night

    34°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 34F. Dew point will be around 30F with an average humidity of 78%. Winds will be 2 mph from the SE.

  • Day

    41°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 41F. Dew point will be around 32F with an average humidity of 77%. Winds will be 4 mph from the E.

    Night

    38°F

    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 38F. Dew point will be around 35F with an average humidity of 85%. Winds will be 2 mph from the SE.