10-Day Weather Forecast - Flat Rock, IL

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  • |55°F
    40% Chance of Storms
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    Tonight

    55°F

    Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers late this evening then a chance of showers. Lows in the mid 50s. Temperature rising into the lower 60s. East winds around 10 mph becoming southeast with gusts up to 25 mph. Chance of rain 40 percent.

    Hourly details
  • Day

    77°F

    Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Breezy and not as cool with highs in the upper 70s. South winds 15 to 25 mph with gusts up to 45 mph. Chance of rain 50 percent.

    Night

    66°F

    A chance of thunderstorms in the evening. Showers likely. Breezy with lows in the lower 60s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 70 percent.

    Hourly details
  • Day

    76°F

    A chance of showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

    Night

    67°F

    A chance of thunderstorms. A chance of showers in the evening then showers likely after midnight. Lows in the lower 60s. South winds 10 to 15 mph. Chance of rain 70 percent.

    Hourly details
  • Weekend Weather

  • Day

    66°F

    Showers with a chance of thunderstorms. Cooler with highs in the upper 60s. Temperature falling into the lower 60s in the afternoon. Chance of rain 90 percent.

    Night

    42°F

    Mostly cloudy in the evening then becoming partly cloudy. Much cooler with lows in the upper 30s.

    Hourly details
  • Day

    54°F

    Mostly clear. Highs in the mid 50s. Lows in the mid 30s.

    Night

    39°F

    Mostly clear. Highs in the mid 50s. Lows in the mid 30s.

    Hourly details
  • Day

    62°F

    Sunny. Highs in the lower 60s.

    Night

    41°F

    Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

    Hourly details
  • Day

    54°F

    Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

    Night

    42°F

    Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

    Hourly details
  • Day

    64°F

    Mostly sunny. Highs in the lower 60s.

    Night

    52°F

    Partly cloudy. Low temperature around 52F. Dew point will be around 44F with an average humidity of 66%. Winds will be 8 mph from the S.

  • Day

    64°F

    Mostly sunny. High temperature around 64F. Dew point will be around 48F with an average humidity of 67%. Winds will be 11 mph from the SW.

    Night

    49°F

    Partly cloudy. Low temperature around 49F. Dew point will be around 47F with an average humidity of 72%. Winds will be 4 mph from the SW.

  • Day

    58°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 58F. Dew point will be around 43F with an average humidity of 67%. Winds will be 2 mph from the SW.

    Night

    48°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 48F. Dew point will be around 43F with an average humidity of 68%. Winds will be 1 mph from the S.