10-Day Weather Forecast - Mascoutah, IL

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  • Weekend Weather

  • 92|74°F
    Sunny
    Arrow up

    Today

    92°F

    Sunny. Highs in the lower 90s. South winds 10 to 15 mph. Heat index values up to 102.

    Tonight

    74°F

    Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph.

    Hourly details
  • Day

    92°F

    Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 20 percent.

    Night

    74°F

    Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 20 percent.

    Hourly details
  • Day

    91°F

    Mostly sunny. A slight chance of showers in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. South winds around 5 mph. Chance of rain 40 percent. Heat index values up to 100.

    Night

    74°F

    Partly cloudy. A chance of showers and thunderstorms mainly in the evening. Lows in the lower 70s. Chance of rain 40 percent.

    Hourly details
  • Day

    89°F

    Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 50 percent.

    Night

    73°F

    Mostly cloudy with a slight chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the lower 70s. Chance of rain 20 percent.

    Hourly details
  • Day

    87°F

    Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.

    Night

    72°F

    Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.

    Hourly details
  • Day

    89°F

    Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 40 percent.

    Night

    73°F

    Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100.

    Hourly details
  • Day

    89°F

    Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100.

    Night

    76°F

    Mostly clear with a 45% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 74F with an average humidity of 85%. Winds will be 6 mph from the S.

  • Weekend Weather

  • Day

    93°F

    Mostly sunny with a 30% chance for rain and thunderstorms. High temperature around 93F. Dew point will be around 74F with an average humidity of 68%. Winds will be 5 mph from the S.

    Night

    75°F

    Clear with a 35% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 74F with an average humidity of 81%. Winds will be 4 mph from the S.

  • Day

    90°F

    Sunny with a 25% chance for rain and thunderstorms. High temperature around 90F. Dew point will be around 74F with an average humidity of 71%. Winds will be 2 mph from the SW.

    Night

    74°F

    Mostly clear with a 30% chance for rain and thunderstorms. Low temperature around 74F. Dew point will be around 74F with an average humidity of 84%. Winds will be 2 mph from the E.

  • Day

    89°F

    Mostly sunny with a 25% chance for rain and thunderstorms. High temperature around 89F. Dew point will be around 73F with an average humidity of 71%. Winds will be 1 mph from the SW.

    Night

    73°F

    Clear with a 30% chance for rain and thunderstorms. Low temperature around 73F. Dew point will be around 74F with an average humidity of 86%. Winds will be 2 mph from the E.