Charleston High School, IL 7-Day Night Weather Forecast
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Charleston High School, IL Weather Forecast


Charleston High School, IL Weather Forecast Date: 627 PM CDT Wed Aug 19 2026
The area/counties/county of: Coles, including the cities of: Charleston and Mattoon.or toggle through each period.
Tonight... Mostly cloudy. A chance of showers and thunderstorms, mainly this evening. Patchy fog after midnight. Lows in the mid 60s. South winds around 5 mph, becoming northeast after midnight. Chance of rain 50%.
Thursday... Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. Northeast winds around 5 mph.
Thursday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable.
Friday... Sunny. Highs in the lower 80s. Northeast winds around 5 mph, becoming west in the afternoon.
Friday Night... Mostly clear with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 60s. Southwest winds around 5 mph. Chance of rain 40%.
Saturday... Mostly sunny. Highs in the lower 80s.
Saturday Night... Mostly clear. Lows in the lower 60s.
Sunday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
Monday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
Tuesday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
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