Cromwell Ag Radio Network

	County Forecast for Mattoon , IL

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171900-
Coles-
Including the cities of Charleston and Mattoon
607 AM CDT Fri Jul 17 2026

Today   Patchy fog this morning. Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 50 percent.
Tonight   Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.
Saturday   Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs around 90. West winds 10 to 15 mph. Chance of rain 50 percent. Heat index values up to 101.
Saturday night   Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph with gusts up to 20 mph, becoming north after midnight. Chance of rain 50 percent.
Sunday   Sunny. Highs in the mid 80s. Northeast winds around 5 mph.
Sunday night   Mostly clear. Lows in the mid 60s.
Monday through tuesday   Partly cloudy. Highs in the upper 80s. Lows in the lower 70s.
Tuesday night and wednesday   Mostly clear. Lows in the mid 60s. Highs in the lower 80s.
Wednesday night and thursday   Mostly clear. Lows around 60. Highs around 80.

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Bryce Anderson – DTN Meteorologist

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Continued Smoke, Increasing Showers Across Midwest Friday

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Posted at 5:35AM Fri Jul 17, 2026 CDT

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