10-Day Weather Forecast - Thebes, IL

Sunny, hot with highs in the upper 90s. Calm winds, becoming southwest around 5 mph in the afternoon. Highest heat index readings heat index readings up to 108 in the afternoon.

Mostly clear. Lows in the mid 70s. Calm winds.

Sunny, hot with highs in the upper 90s. Calm winds. Highest heat index readings heat index readings up to 107 in the afternoon.

Mostly clear. Lows in the lower 70s. Calm winds.

Mostly clear. Highs in the mid 90s.

Mostly clear. Lows in the lower 70s.

Mostly clear. Highs in the mid 90s.

Mostly clear. Lows in the lower 70s.

Mostly clear. Highs in the mid 90s.

Mostly clear. Lows in the lower 70s.

Mostly clear. Highs in the mid 90s.

Mostly clear. Lows in the lower 70s.

Mostly sunny. Highs in the mid 90s.

Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 69F with an average humidity of 72%. Winds will be 4 mph from the SW.

Sunny. High temperature around 91F. Dew point will be around 71F with an average humidity of 62%. Winds will be 4 mph from the SW.

Clear. Low temperature around 73F. Dew point will be around 69F with an average humidity of 74%. Winds will be 2 mph from the SW.

Mostly sunny. High temperature around 90F. Dew point will be around 70F with an average humidity of 65%. Winds will be 3 mph from the SW.

Clear. Low temperature around 72F. Dew point will be around 67F with an average humidity of 73%. Winds will be 2 mph from the S.