10-Day Weather Forecast - Lewistown, IL

Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph. Heat index values up to 107.

Mostly clear. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.

Sunny with highs in the mid 90s. Northwest winds around 5 mph. Heat index values up to 105.

Mostly clear. Humid with lows in the upper 60s. Northeast winds around 5 mph.

Mostly clear. Highs in the upper 80s.

Mostly clear. Lows in the mid 60s.

Mostly clear. Highs in the upper 80s.

Partly cloudy. Lows in the mid 60s.

Partly cloudy. Highs in the mid 90s.

Mostly clear. Lows in the lower 70s.

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

Partly cloudy. A chance of showers after midnight. Lows in the lower 70s. Chance of rain 30 percent.

Mostly sunny. Highs in the upper 80s.

Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 68F. Dew point will be around 66F with an average humidity of 72%. Winds will be 1 mph from the NE.

Mostly sunny. High temperature around 85F. Dew point will be around 65F with an average humidity of 66%. Winds will be 1 mph from the E.

Clear. Low temperature around 66F. Dew point will be around 65F with an average humidity of 76%. Winds will be 2 mph from the SE.

Sunny. High temperature around 87F. Dew point will be around 66F with an average humidity of 65%. Winds will be 3 mph from the S.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 67F. Dew point will be around 65F with an average humidity of 73%. Winds will be 2 mph from the S.