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 1
A stray shower or thunderstorm is possible early. Partly cloudy skies. Low 59F. Winds light and variable.
Saturday Aug 2
Morning sunshine followed by isolated thunderstorms during the afternoon. High 82F. Winds NE at 5 to 10 mph. Chance of rain 30%.
Sunday Aug 3
Clear. Low 61F. Winds light and variable.
Monday Aug 4
A mainly sunny sky. High 84F. Winds light and variable.
Tuesday Aug 5
Clear skies. Low around 60F. Winds light and variable.
Wednesday Aug 6
Generally sunny. High 86F. Winds light and variable.
Thursday Aug 7
Generally fair. Low around 65F. Winds light and variable.
Friday Aug 8
Sunshine and clouds mixed. High 87F. Winds WSW at 5 to 10 mph.
Saturday Aug 9
Partly cloudy skies early giving way to a few showers after midnight. Low 67F. Winds light and variable. Chance of rain 30%.
Sunday Aug 10
Thunderstorms. High 83F. Winds SW at 5 to 10 mph. Chance of rain 80%.
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.