10-Day Weather Forecast - Summit Argo, IL

Partly cloudy. Highs in the mid 80s inland but only in the mid 70s near the lake. East winds 5 to 10 mph increasing to southeast 10 to 15 mph in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Humid with lows in the mid 70s. Southeast winds around 10 mph.

Partly cloudy in the morning then clearing. Hot with highs in the lower 90s. South winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 104.

Mostly clear. Humid with lows in the upper 70s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the evening. Heat index values up to 100 early in the evening.

Mostly sunny. Hot with highs in the mid 90s.

Clear. Lows in the upper 70s.

Mostly sunny. Hot with highs in the mid 90s.

Mostly clear. Lows in the upper 70s.

Mostly sunny. Hot with highs in the mid 90s.

Partly cloudy. Lows in the mid 70s.

Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of precipitation 40 percent.

A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the lower 70s. Chance of precipitation 30 percent.

Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 30 percent.

Mostly clear with a 65% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 66F with an average humidity of 68%. Winds will be 2 mph from the E.

Mostly sunny with a chance of rain. Chance of precipitation 45%. High temperature around 89F. Dew point will be around 68F with an average humidity of 57%. Winds will be 2 mph from the SE.

Clear with a chance of rain. Chance of precipitation 45%. Low temperature around 74F. Dew point will be around 64F with an average humidity of 63%. Winds will be 2 mph from the SE.

Mostly sunny with a chance of rain. Chance of precipitation 40%. High temperature around 89F. Dew point will be around 67F with an average humidity of 55%. Winds will be 2 mph from the S.

Mostly clear with a chance of rain. Chance of precipitation 40%. Low temperature around 74F. Dew point will be around 63F with an average humidity of 60%. Winds will be 1 mph from the SW.