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
Tuesday Apr 28
Mainly clear skies. Low 42F. Winds NE at 5 to 10 mph.
Wednesday Apr 29
Sunshine and clouds mixed. Slight chance of a rain shower. High near 70F. Winds NNW at 10 to 15 mph.
Thursday Apr 30
Rain showers early with clearing later at night. Low 41F. Winds NNE at 5 to 10 mph. Chance of rain 40%.
Friday May 1
Sunshine and clouds mixed. A stray shower or thunderstorm is possible. High 62F. Winds N at 10 to 20 mph.
Saturday May 2
A mostly clear sky. Low 39F. Winds N at 10 to 15 mph.
Sunday May 3
Generally sunny. High 69F. Winds NW at 5 to 10 mph.
Monday May 4
Partly cloudy skies during the evening will give way to cloudy skies overnight. Low 49F. Winds light and variable.
Tuesday May 5
Mostly cloudy skies early will become partly cloudy later in the day. High around 75F. Winds SSW at 10 to 15 mph.
Wednesday May 6
Partly cloudy skies early will give way to cloudy skies and light rain after midnight. Low around 55F. Winds S at 5 to 10 mph. Chance of rain 60%.
Thursday May 7
Chance Of Rain
Scattered thunderstorms in the morning, then partly cloudy late. High 79F. Winds S at 10 to 20 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.