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.
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Extended 10-Day Forecast Report
Friday Sep 19
Generally clear. Low 59F. Winds S at 5 to 10 mph.
Saturday Sep 20
Partial cloudiness early, with scattered showers and thunderstorms in the afternoon. High around 85F. Winds SW at 10 to 20 mph. Chance of rain 40%.
Sunday Sep 21
Variably cloudy with scattered thunderstorms. A few storms may be severe. Low 63F. Winds W at 5 to 10 mph. Chance of rain 50%.
Monday Sep 22
A mainly sunny sky. High 73F. Winds NW at 10 to 20 mph.
Tuesday Sep 23
Mainly clear. Low 49F. Winds N at 5 to 10 mph.
Wednesday Sep 24
Sunshine. High 72F. Winds NNE at 5 to 10 mph.
Thursday Sep 25
Clear. Low 47F. Winds light and variable.
Friday Sep 26
Sunny. High 74F. Winds light and variable.
Saturday Sep 27
Mostly clear. Low 51F. Winds light and variable.
Sunday Sep 28
Sunny along with a few clouds. High 76F. Winds SE at 5 to 10 mph.
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.