10-Day Weather Forecast - Johnston City, IL

Showers. Highs in the upper 50s. Temperature falling into the upper 40s in the afternoon. South winds 15 to 20 mph becoming southwest in the afternoon. Gusts up to 40 mph. Chance of rain near 100 percent.

Mostly clear. Much cooler with lows in the mid 20s. West winds 10 to 15 mph with gusts up to 25 mph.

Sunny cooler with highs around 40. West winds 5 to 10 mph.

Mostly clear. Near steady temperature in the lower 30s. South winds 10 to 15 mph.

Partly cloudy. Highs in the mid 50s. Lows in the upper 20s.

Partly cloudy. Highs in the mid 50s. Lows in the upper 20s.

Mostly sunny. Highs in the mid 40s.

Mostly cloudy. Lows in the upper 20s. Highs in the upper 40s.

Mostly cloudy. Lows in the upper 20s. Highs in the upper 40s.

Mostly cloudy. Lows in the mid 40s. Highs in the upper 50s.

Mostly cloudy. Lows in the mid 40s. Highs in the upper 50s.

Mostly cloudy. Lows in the mid 40s. Highs in the upper 50s.

Mostly cloudy. Lows in the mid 40s. Highs in the upper 50s.

Cloudy. Low temperature around 56F. Dew point will be around 57F with an average humidity of 100%. Winds will be 9 mph from the SW.

Cloudy. High temperature around 64F. Dew point will be around 60F with an average humidity of 95%. Winds will be 9 mph from the SW.

Cloudy. Low temperature around 59F. Dew point will be around 61F with an average humidity of 100%. Winds will be 9 mph from the SW.

Cloudy. High temperature around 65F. Dew point will be around 61F with an average humidity of 92%. Winds will be 9 mph from the SW.

Cloudy. Low temperature around 53F. Dew point will be around 56F with an average humidity of 94%. Winds will be 4 mph from the SW.