10-Day Weather Forecast - Decatur, IL

Partly sunny. A chance of showers in the afternoon. Breezy warmer with highs around 80. South winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 30 percent.

Showers likely in the evening then showers with a chance of thunderstorms after midnight. Breezy with lows in the lower 60s. Southwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 80 percent.

Mostly cloudy in the morning then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph.

Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.

Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening then showers likely after midnight. Lows in the mid 60s. Chance of rain 60 percent.

Showers likely with a chance of thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 70 percent.

Showers likely with a chance of thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 70 percent.

Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 50 percent.

Mostly clear. Lows in the upper 50s.

Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.

Showers likely. Lows in the lower 50s. Chance of rain 70 percent.

Mostly cloudy in the morning then becoming partly sunny. A chance of showers. Much cooler with highs in the upper 60s. Chance of rain 50 percent.

Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 47F. Dew point will be around 38F with an average humidity of 56%. Winds will be 4 mph from the E.

Sunny. High temperature around 64F. Dew point will be around 39F with an average humidity of 50%. Winds will be 4 mph from the SE.

Clear. Low temperature around 49F. Dew point will be around 40F with an average humidity of 58%. Winds will be 6 mph from the SE.

Partly cloudy. High temperature around 66F. Dew point will be around 45F with an average humidity of 57%. Winds will be 9 mph from the SE.

Partly cloudy. Low temperature around 55F. Dew point will be around 48F with an average humidity of 66%. Winds will be 10 mph from the S.