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
Wednesday Sep 28
A few clouds. Low 53F. Winds NNW at 10 to 15 mph.
Thursday Sep 29
Chance Of Rain
Mostly cloudy with some showers in the afternoon. Thunder possible. High 71F. Winds N at 10 to 20 mph. Chance of rain 50%.
Friday Sep 30
Cloudy skies. Slight chance of a rain shower. Low 58F. Winds N at 10 to 15 mph.
Saturday Oct 1
Chance Of Rain
Thunderstorms likely in the morning. Then the chance of scattered thunderstorms in the afternoon. High 67F. Winds N at 10 to 20 mph. Chance of rain 80%.
Sunday Oct 2
Rain showers in the evening becoming more intermittent overnight. Low 53F. Winds NNW at 5 to 10 mph. Chance of rain 40%.
Monday Oct 3
Cloudy with showers. High 71F. Winds NW at 5 to 10 mph. Chance of rain 60%.
Tuesday Oct 4
A few clouds from time to time. Low 53F. Winds light and variable.
Wednesday Oct 5
Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. Slight chance of an afternoon shower. High 74F. Winds WNW at 5 to 10 mph.
Thursday Oct 6
A few clouds from time to time. Low 54F. Winds light and variable.
Friday Oct 7
Intervals of clouds and sunshine. High 78F. Winds light and variable.
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.