10-Day Weather Forecast - Onarga, IL

Mostly sunny. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 103.

Clear, humid with lows in the mid 70s. Southwest winds 5 to 10 mph.

Sunny, hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 104.

Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph.

Mostly sunny. Highs in the lower 90s.

Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 20 percent.

Partly cloudy. A chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of precipitation 30 percent.

Mostly clear in the evening, then becoming partly cloudy. Lows around 70.

Partly cloudy. Highs in the upper 80s.

Partly cloudy. Lows in the mid 60s.

Partly cloudy. Highs in the mid 80s.

Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

Partly cloudy. Highs in the mid 80s.

Mostly clear. Low temperature around 61F. Dew point will be around 60F with an average humidity of 81%. Winds will be 4 mph from the E.

Partly cloudy. High temperature around 80F. Dew point will be around 60F with an average humidity of 65%. Winds will be 3 mph from the SE.

Mostly clear. Low temperature around 65F. Dew point will be around 62F with an average humidity of 78%. Winds will be 4 mph from the SE.

Sunny. High temperature around 82F. Dew point will be around 63F with an average humidity of 65%. Winds will be 4 mph from the S.

Clear. Low temperature around 66F. Dew point will be around 63F with an average humidity of 76%. Winds will be 2 mph from the S.