10-Day Weather Forecast - Lewistown, IL

Sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph becoming southwest with gusts up to 20 mph in the afternoon.

Mostly clear. Not as cool with lows in the upper 50s. South winds 5 to 10 mph with gusts up to 25 mph.

Mostly sunny in the morning then becoming mostly cloudy. Highs in the upper 70s. Southwest winds 10 to 15 mph becoming northwest 15 to 20 mph in the afternoon.

Mostly cloudy in the evening then becoming partly cloudy. Much cooler with lows in the mid 30s.

Sunny. Much cooler with highs in the mid 50s.

Mostly cloudy. Lows in the upper 30s. Highs in the lower 60s.

Mostly cloudy. Lows in the upper 30s. Highs in the lower 60s.

Mostly cloudy. Lows in the upper 30s. Highs in the lower 60s.

Mostly cloudy. Lows in the upper 30s. Highs in the lower 60s.

Partly cloudy. Lows in the mid 40s. Highs in the lower 70s.

Partly cloudy. Lows in the mid 40s. Highs in the lower 70s.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 38F. Dew point will be around 34F with an average humidity of 50%. Winds will be 12 mph from the N.

Cloudy. High temperature around 47F. Dew point will be around 25F with an average humidity of 51%. Winds will be 9 mph from the N.

Cloudy. Low temperature around 30F. Dew point will be around 23F with an average humidity of 60%. Winds will be 6 mph from the NE.

Mostly cloudy. High temperature around 48F. Dew point will be around 24F with an average humidity of 51%. Winds will be 4 mph from the E.

Cloudy. Low temperature around 35F. Dew point will be around 29F with an average humidity of 63%. Winds will be 3 mph from the E.

Cloudy. High temperature around 53F. Dew point will be around 33F with an average humidity of 62%. Winds will be 3 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 41F. Dew point will be around 37F with an average humidity of 73%. Winds will be 4 mph from the E.