10-Day Weather Forecast - Lewistown, IL

Mostly sunny. Much cooler with highs in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 35 mph becoming southwest 5 to 10 mph in the afternoon. Wind chill values as low as 5 below in the morning.

Mostly clear in the evening then becoming mostly cloudy. Not as cool with lows in the mid 20s. Temperature rising into the lower 30s after midnight. South winds 10 to 15 mph with gusts up to 25 mph.

Partly sunny. Not as cool with highs in the mid 40s. Temperature falling to around 40 in the afternoon. Southwest winds 10 to 15 mph becoming northwest in the afternoon.

Partly cloudy in the evening then becoming mostly clear. Lows around 19. Northwest winds 5 to 10 mph with gusts up to 20 mph.

Sunny cooler with highs in the mid 30s.

Mostly cloudy. Lows in the mid 20s. Highs in the lower 40s.

Mostly cloudy. Lows in the mid 20s. Highs in the lower 40s.

Mostly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Mostly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Mostly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Mostly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Mostly cloudy. Lows in the upper 40s. Highs in the lower 60s.

Mostly cloudy. Lows in the upper 40s. Highs in the lower 60s.

Mostly clear. Low temperature around 46F. Dew point will be around 49F with an average humidity of 86%. Winds will be 6 mph from the W.

Mostly cloudy. High temperature around 54F. Dew point will be around 46F with an average humidity of 81%. Winds will be 3 mph from the SW.

Partly cloudy. Low temperature around 43F. Dew point will be around 43F with an average humidity of 85%. Winds will be 1 mph from the SE.

Mostly cloudy. High temperature around 52F. Dew point will be around 44F with an average humidity of 82%. Winds will be 1 mph from the NE.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 41F. Dew point will be around 39F with an average humidity of 83%. Winds will be 4 mph from the NE.