10-Day Weather Forecast - Mattoon, IL

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.

Partly cloudy in the evening, then clearing. Lows in the mid 60s. West winds around 5 mph.

Sunny. Highs in the mid 80s. Northwest winds 5 to 10 mph.

Mostly clear. Lows around 60.

Mostly clear. Highs in the mid 80s.

Mostly clear. Lows around 60.

Mostly clear. Highs in the mid 80s.

Partly cloudy. Lows in the mid 60s.

Partly cloudy. Highs in the upper 80s.

Partly cloudy in the evening, then becoming mostly clear. Lows around 70.

Mostly sunny. Highs in the lower 90s.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 73F. Dew point will be around 68F with an average humidity of 73%. Winds will be 5 mph from the SW.

Partly cloudy with a 35% chance for rain and thunderstorms. High temperature around 88F. Dew point will be around 66F with an average humidity of 60%. Winds will be 2 mph from the SW.

Mostly clear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 70F. Dew point will be around 66F with an average humidity of 71%. Winds will be 1 mph from the SE.

Sunny with a 30% chance for rain and thunderstorms. High temperature around 87F. Dew point will be around 64F with an average humidity of 59%. Winds will be 1 mph from the E.

Mostly clear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 68F. Dew point will be around 65F with an average humidity of 73%. Winds will be 2 mph from the SE.

Mostly sunny with a 25% chance for rain and thunderstorms. High temperature around 86F. Dew point will be around 63F with an average humidity of 60%. Winds will be 2 mph from the E.

Mostly clear with a 30% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 64F with an average humidity of 75%. Winds will be 3 mph from the E.