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City of Mattoon, IllinoisMattoon, IL 7-Day Night Weather Forecast
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Mattoon, IL Weather Forecast
Mattoon, IL Weather Forecast Date: 737 AM CDT Sun Sep 06 2026
The area/counties/county of: Coles, including the cities of: Charleston and Mattoon.or toggle through each period.
Rest of Today... Sunny. Not as warm with highs in the mid 80s. Northeast winds 10 to 15 mph.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows around 60. Northeast winds 5 to 10 mph.
Labor Day... Sunny. Highs in the lower 80s. East winds 5 to 10 mph.
Monday Night... Mostly clear. Lows in the lower 60s. East winds around 5 mph.
Tuesday... Sunny. Highs in the lower 90s. South winds 5 to 10 mph.
Tuesday Night... Mostly clear. Lows in the lower 70s.
Wednesday... Mostly sunny. Hot with highs in the mid 90s.
Wednesday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 60%.
Thursday... Partly sunny. A chance of showers in the morning. Not as warm with highs in the lower 80s. Chance of rain 50%.
Thursday Night... Mostly clear. Lows around 60. Highs in the mid 80s.
Friday... Mostly clear. Lows around 60. Highs in the mid 80s.
POP = Probability of Precipitation
Mattoon Radar Loop
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