10-Day Weather Forecast - Johnston City, IL

Sunny. Highs in the upper 30s. South winds 5 to 10 mph.

Mostly clear in the evening then becoming partly cloudy. Not as cool with lows in the upper 20s. South winds 10 to 15 mph.

Mostly sunny. Highs in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Partly cloudy. Lows in the mid 20s. Highs in the upper 30s.

Partly cloudy. Lows in the mid 20s. Highs in the upper 30s.

Partly cloudy. Lows in the mid 20s. Highs in the upper 30s.

Mostly cloudy. Highs in the lower 30s.

Mostly cloudy with a 30 percent chance of snow showers. Lows around 10 above. Highs around 20.

Mostly cloudy with a 30 percent chance of snow showers. Lows around 10 above. Highs around 20.

Mostly cloudy with a 30 percent chance of snow showers. Lows around 10 above. Highs around 20.

Mostly sunny. Highs in the mid 20s.

Clear. Low temperature around 13F. Dew point will be around 3F with an average humidity of 57%. Winds will be 4 mph from the NW.

Sunny. High temperature around 30F. Dew point will be around 10F with an average humidity of 57%. Winds will be 3 mph from the SW.

Mostly clear. Low temperature around 20F. Dew point will be around 11F with an average humidity of 65%. Winds will be 2 mph from the SW.

Partly cloudy. High temperature around 31F. Dew point will be around 18F with an average humidity of 65%. Winds will be 0 mph from the S.

Cloudy. Low temperature around 22F. Dew point will be around 16F with an average humidity of 65%. Winds will be 2 mph from the NW.

Mostly cloudy. High temperature around 31F. Dew point will be around 17F with an average humidity of 63%. Winds will be 4 mph from the NW.

Clear. Low temperature around 18F. Dew point will be around 12F with an average humidity of 64%. Winds will be 4 mph from the NW.