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 Aug 29
Variably cloudy with scattered thunderstorms. Low around 70F. Winds S at 5 to 10 mph. Chance of rain 40%.
Saturday Aug 30
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
Scattered thunderstorms, especially in the evening. Low 68F. Winds SSW at 5 to 10 mph. Chance of rain 40%.
Monday Sep 1
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
Mostly clear skies. Low 71F. Winds S at 10 to 15 mph.
Wednesday Sep 3
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
Thunderstorms. Low around 70F. Winds SW at 5 to 10 mph. Chance of rain 100%.
Friday Sep 5
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
Variable clouds with scattered thunderstorms. Low 68F. Winds S at 5 to 10 mph. Chance of rain 60%.
Sunday Sep 7
Cloudy skies early, followed by partial clearing. High 86F. Winds SSW 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.