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Here is today's weather outlook for Jul. 21, 2021 in Mattoon, IL


The Mattoon area can expect a sizzling hot day. The forecast calls for it to be a balmy 84 degrees. Today's forecasted low temperature is 67 degrees. Today's conditions are expected to be clear, so there shouldn't been too many clouds in the sky. High UV indexes are expected. Be careful outside, especially during late morning through mid-afternoon. If your shadow is shorter than you, seek shade and wear protective clothing and generously apply sunscreen on exposed skin. The area will see gentle winds today, with winds only reaching 6 miles per hour, coming from Northeast. This report is created automatically with weather data provided by Visit for more weather updates.


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