10-Day Weather Forecast - Saint Louis, MO

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  • 43|21°F
    Mostly Sunny
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    Today

    43°F

    Mostly sunny. Scattered sprinkles and flurries this morning. Much cooler with highs in the upper 30s. Temperature falling into the lower 30s this afternoon. Northwest winds 15 to 20 mph with gusts up to 35 mph.

    Tonight

    21°F

    Clear. Much cooler with lows around 18. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.

    Hourly details
  • Day

    36°F

    Sunny. Highs in the mid 30s. Northwest winds 5 to 10 mph becoming west in the afternoon.

    Night

    32°F

    Mostly cloudy. A chance of snow mainly in the evening. Lows in the upper 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 30 percent.

    Hourly details
  • Day

    46°F

    Mostly sunny in the morning then becoming mostly cloudy. Not as cool with highs in the mid 40s. West winds 15 to 20 mph with gusts up to 30 mph.

    Night

    26°F

    Mostly cloudy. A slight chance of snow in the evening. Lows around 20. Chance of snow 20 percent.

    Hourly details
  • Weekend Weather

  • Day

    29°F

    Partly sunny. Much cooler with highs in the upper 20s. Wind chill values as low as 5 above.

    Night

    14°F

    Partly cloudy. Lows around 10 above. Highs in the mid 20s. Wind chill values as low as 5 below.

    Hourly details
  • Day

    32°F

    Partly cloudy. Lows around 10 above. Highs in the mid 20s. Wind chill values as low as 5 below.

    Night

    20°F

    Partly cloudy. Lows around 15. Highs in the lower 30s. Wind chill values as low as zero.

    Hourly details
  • Day

    22°F

    Partly cloudy. Lows around 15. Highs in the lower 30s. Wind chill values as low as zero.

    Night

    10°F

    Mostly clear. Lows 10 to 15. Wind chill values as low as zero.

    Hourly details
  • Day

    35°F

    Mostly sunny. Highs in the mid 30s. Wind chill values as low as 5 above in the morning.

    Night

    25°F

    Mostly clear. Low temperature around 25F. Dew point will be around 15F with an average humidity of 49%. Winds will be 4 mph from the SW.

  • Day

    42°F

    Partly cloudy. High temperature around 42F. Dew point will be around 17F with an average humidity of 48%. Winds will be 3 mph from the S.

    Night

    27°F

    Mostly clear. Low temperature around 27F. Dew point will be around 19F with an average humidity of 62%. Winds will be 3 mph from the SE.

  • Day

    39°F

    Mostly sunny. High temperature around 39F. Dew point will be around 22F with an average humidity of 58%. Winds will be 5 mph from the SE.

    Night

    34°F

    Mostly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 34F. Dew point will be around 28F with an average humidity of 71%. Winds will be 4 mph from the SE.

  • Day

    42°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 42F. Dew point will be around 29F with an average humidity of 68%. Winds will be 3 mph from the SE.

    Night

    29°F

    Cloudy with a chance of rain-snow mix. Chance of precipitation 45%. Low temperature around 29F. Dew point will be around 28F with an average humidity of 77%. Winds will be 3 mph from the NE.