Decatur Illinois 10 Day Weather Forecast

Want to see the weather for Decatur Illinois 10 days in advance? WeatherYou™ is now offering extended 10-day weather forecast report for Decatur Illinois and virtually any other city around the globe. What's more, our free widgets enable you to add current weather conditions or extended forecast to your website or blog in seconds, and are available in a variety of colors and sizes.

Extended 10-Day Forecast Report

Decatur Illinois

  • Friday
    Aug 29
    Day 1
    Chance Tstorm
    30°
    21°
    Variably cloudy with scattered thunderstorms. Low around 70F. Winds S at 5 to 10 mph. Chance of rain 40%.
  • Saturday
    Aug 30
    Day 2
    Thunderstorm
    28°
    20°
    Scattered thunderstorms in the morning becoming more widespread in the afternoon. High 83F. Winds SSW at 10 to 20 mph. Chance of rain 80%.
  • Sunday
    Aug 31
    Day 3
    Chance Tstorm
    30°
    22°
    Scattered thunderstorms, especially in the evening. Low 68F. Winds SSW at 5 to 10 mph. Chance of rain 40%.
  • Monday
    Sep 1
    Day 4
    Thunderstorm
    28°
    21°
    Isolated thunderstorms in the morning, then skies turning partly cloudy late. High 86F. Winds SSW at 5 to 10 mph. Chance of rain 30%.
  • Tuesday
    Sep 2
    Day 5
    Chance Tstorm
    29°
    20°
    Mostly clear skies. Low 71F. Winds S at 10 to 15 mph.
  • Wednesday
    Sep 3
    Day 6
    Partly Cloudy
    30°
    21°
    Scattered thunderstorms in the morning, then mainly cloudy during the afternoon with thunderstorms likely. Potential for severe thunderstorms. High 83F. Winds SSW at 10 to 20 mph. Chance of rain 80%.
  • Thursday
    Sep 4
    Day 7
    Chance Tstorm
    32°
    21°
    Thunderstorms. Low around 70F. Winds SW at 5 to 10 mph. Chance of rain 100%.
  • Friday
    Sep 5
    Day 8
    Clear
    32°
    22°
    Scattered thunderstorms in the morning, then partly cloudy late. High around 85F. Winds WSW at 10 to 15 mph. Chance of rain 40%.
  • Saturday
    Sep 6
    Day 9
    Clear
    31°
    21°
    Variable clouds with scattered thunderstorms. Low 68F. Winds S at 5 to 10 mph. Chance of rain 60%.
  • Sunday
    Sep 7
    Day 10
    Clear
    29°
    18°
    Cloudy skies early, followed by partial clearing. High 86F. Winds SSW at 5 to 10 mph.

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Note that 7-day forecast is normally much more accurate than extended forecast for days 8,9 and 10. Since weather forecasting is based on complex calculations the accuracy of such forecast cannot be assured and you should check back closer to such dates. We make our best effort to provide accurate information in our Decatur Illinois weather report but do not guarantee accuracy of information.



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