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Here is today's weather outlook for Oct. 15, 2021 in Decatur, IL

Temperatures in the 60s are expected for the Decatur area. It looks like it will be a comfortable 63 degrees. A 43-degree low is forecasted. Scattered showers are in the forecast for the day. How likely is it that it'll rain on your picnic? The weather forecast calls for a 49% chance of rain. The Decatur area should see a light breeze, with forecast showing winds from the North, clocking in at 12 mph. This report is created automatically with weather data provided by Visit for more weather updates.


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