County Forecast for Mattoon , IL
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130200-
Coles-
Including the cities of Charleston and Mattoon
127 PM CDT Thu Mar 12 2026

...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
4 PM CDT FRIDAY...

This afternoon   Sunny, cooler. Near steady temperature in the upper 40s. West winds around 10 mph with gusts up to 20 mph.
Tonight   Mostly cloudy and breezy. Not as cool with lows in the lower 40s. South winds 15 to 25 mph. Gusts up to 35 mph, increasing to 45 mph after midnight.
Friday   Partly sunny and windy. Highs in the mid 50s. West winds 20 to 30 mph with gusts up to 50 mph.
Friday night   Mostly cloudy. Lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 30 mph, becoming northeast around 5 mph after midnight.
Saturday   Mostly cloudy. Highs in the mid 50s. East winds 5 to 10 mph.
Saturday night   Mostly cloudy. Not as cool with lows in the mid 40s.
Sunday   Cloudy. A chance of rain in the morning, then rain with a chance of thunderstorms in the afternoon. Windy and not as cool with highs in the mid 60s. Chance of rain 90 percent.
Sunday night   Rain with a chance of thunderstorms in the evening, then rain and snow likely after midnight. Light snow accumulation. Windy and much cooler with lows in the lower 20s. Chance of precipitation 90 percent.
Monday   Mostly cloudy. A chance of snow in the morning. Windy and much cooler. Near steady temperature in the mid 20s. Chance of snow 40 percent.
Monday night and tuesday   Partly cloudy and brisk. Lows around 10 above. Highs in the upper 20s. Wind chill values as low as 5 below.
Tuesday night   Partly cloudy in the evening, then mostly cloudy with a chance of snow after midnight. Lows around 20. Chance of snow 30 percent.
Wednesday   Mostly cloudy with a chance of rain and snow in the morning, then partly sunny in the afternoon. Not as cool with highs in the mid 40s. Chance of precipitation 30 percent.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Strong Storm Continues Through Great Lakes Friday
Posted at 12:07PM Thu Mar 12, 2026 CDT
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