10-Day Weather Forecast - Arlington, IL

Mostly cloudy with a chance of showers with a slight chance of thunderstorms early then mostly cloudy with a slight chance of showers and thunderstorms this morning. Mostly sunny this afternoon. Hot with highs around 90. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 104.

Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 103 early in the evening.

Mostly sunny. A chance of showers in the morning. Hot with highs in the lower 90s. Southwest winds 10 to 15 mph. Chance of rain 50 percent. Heat index values up to 108.

Mostly clear. Humid with lows in the lower 70s. West winds 10 to 15 mph becoming northwest 5 to 10 mph after midnight. Heat index values up to 107 early in the evening.

Mostly sunny. Humid with highs in the mid 80s. North winds 5 to 10 mph.

Mostly clear. Lows in the lower 60s.

Sunny. Highs in the mid 80s.

Mostly clear. Lows in the lower 60s.

Partly cloudy. Highs in the mid 80s. Lows in the mid 60s.

Partly cloudy. Highs in the mid 80s. Lows in the mid 60s.

Partly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.

Partly cloudy. Lows in the mid 60s. Highs in the mid 80s.

Partly cloudy. Lows in the mid 60s. Highs in the mid 80s.

Clear with scattered thunderstorms. Chance of storms 40%. Low temperature around 64F. Dew point will be around 63F with an average humidity of 75%. Winds will be 3 mph from the NE.

Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 83F. Dew point will be around 63F with an average humidity of 66%. Winds will be 2 mph from the NE.

Clear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 64F. Dew point will be around 63F with an average humidity of 76%. Winds will be 3 mph from the E.

Sunny. High temperature around 83F. Dew point will be around 63F with an average humidity of 66%. Winds will be 3 mph from the S.

Mostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 67F. Dew point will be around 64F with an average humidity of 74%. Winds will be 3 mph from the SE.