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
Thursday Jul 30
Clear skies. Low around 65F. Winds WNW at 5 to 10 mph.
Friday Jul 31
Except for a few afternoon clouds, mainly sunny. A stray shower or thunderstorm is possible. High 89F. Winds WNW at 10 to 15 mph.
Saturday Aug 1
A few clouds. A stray shower or thunderstorm is possible. Low 61F. Winds NW at 5 to 10 mph.
Sunday Aug 2
Sunny. High 86F. Winds W at 5 to 10 mph.
Monday Aug 3
Partial cloudiness early, with scattered showers and thunderstorms later during the night. Low around 65F. Winds SW at 5 to 10 mph. Chance of rain 40%.
Tuesday Aug 4
Variable clouds with thunderstorms, especially in the afternoon. High 86F. Winds SW at 10 to 15 mph. Chance of rain 60%.
Wednesday Aug 5
Mostly clear skies early. Scattered showers and thunderstorms developing later during the night. Low 66F. Winds SW at 5 to 10 mph. Chance of rain 50%.
Thursday Aug 6
Chance Of Rain
Except for a few afternoon clouds, mainly sunny. High 88F. Winds WSW at 10 to 15 mph.
Friday Aug 7
Partly to mostly cloudy skies with scattered thunderstorms before midnight. Low around 65F. Winds NNW at 5 to 10 mph. Chance of rain 40%.
Saturday Aug 8
Scattered thunderstorms. High 84F. Winds NNE at 5 to 10 mph. Chance of rain 60%.
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.