10-Day Weather Forecast - Illiopolis, IL

As of

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  • |75°F
    50% Chance of Storms

    Tonight

    75°F

    Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the mid 70s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

    Hourly details
  • 87|77°F
    Thunderstorms

    Day

    87°F

    Showers with a chance of thunderstorms in the morning, then partly sunny in the afternoon. Humid with highs in the upper 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph, becoming southwest in the afternoon. Chance of rain near 100 percent. Heat index values up to 102 in the afternoon.

    Night

    77°F

    Partly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.

    Hourly details
  • 85|70°F
    30% Chance of Storms

    Day

    85°F

    Partly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 100.

    Night

    70°F

    Partly cloudy. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph.

    Hourly details
  • 82|66°F
    Mostly Sunny

    Day

    82°F

    Mostly sunny. Highs in the mid 80s.

    Night

    66°F

    Mostly clear. Lows in the mid 60s.

    Hourly details
  • 83|71°F
    Mostly Sunny

    Day

    83°F

    Mostly clear. Highs in the mid 80s.

    Night

    71°F

    Mostly clear in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 50 percent.

    Hourly details
  • 84|67°F
    50% Chance of Storms

    Day

    84°F

    Partly sunny. A chance of showers and thunderstorms in the morning. Highs in the mid 80s. Chance of rain 50 percent.

    Night

    67°F

    Partly cloudy. Lows in the lower 60s.

    Hourly details
  • 78|62°F
    Partly Cloudy

    Day

    78°F

    Partly cloudy. Highs in the upper 70s.

    Night

    62°F

    Partly cloudy. Lows in the lower 60s.

    Hourly details
  • 78|63°F
    Partly Cloudy

    Day

    78°F

    Partly cloudy. Highs in the upper 70s.

    Night

    63°F

    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 63F. Dew point will be around 63F with an average humidity of 84%. Winds will be 2 mph from the E.

  • 78|62°F
    Sunny

    Day

    78°F

    Sunny. High temperature around 78F. Dew point will be around 64F with an average humidity of 74%. Winds will be 1 mph from the N.

    Night

    62°F

    Clear. Low temperature around 62F. Dew point will be around 63F with an average humidity of 84%. Winds will be 3 mph from the E.

  • 80|65°F
    Sunny

    Day

    80°F

    Sunny. High temperature around 80F. Dew point will be around 63F with an average humidity of 73%. Winds will be 1 mph from the E.

    Night

    65°F

    Clear. Low temperature around 65F. Dew point will be around 64F with an average humidity of 81%. Winds will be 2 mph from the SE.