10-Day Weather Forecast - Johnston City, IL

Mostly sunny. Highs in the upper 60s. East winds 5 to 10 mph becoming southeast in the afternoon.

Mostly clear in the evening then becoming mostly cloudy. Not as cool with lows in the mid 50s. South winds 10 to 15 mph.

Mostly cloudy. Showers likely in the afternoon. Breezy with highs in the lower 70s. South winds 15 to 25 mph with gusts up to 45 mph. Chance of rain 60 percent.

Rain showers with a chance of thunderstorms in the evening then a chance of snow and rain showers after midnight. Light snow accumulation. Breezy and much cooler with lows in the upper 20s. Chance of precipitation near 100 percent.

Mostly cloudy in the morning then becoming partly sunny. Blustery and much cooler with highs in the mid 30s.

Mostly clear. Cold with lows 15 to 20.

Mostly sunny. Highs in the upper 30s.

Mostly cloudy. Lows in the upper 20s. Highs in the upper 50s.

Mostly cloudy. Lows in the upper 20s. Highs in the upper 50s.

Mostly cloudy in the evening then clearing. Lows in the lower 40s.

Sunny. Highs in the upper 60s.

Mostly clear. Low temperature around 51F. Dew point will be around 44F with an average humidity of 63%. Winds will be 5 mph from the S.

Partly cloudy. High temperature around 71F. Dew point will be around 48F with an average humidity of 61%. Winds will be 2 mph from the W.

Mostly clear. Low temperature around 52F. Dew point will be around 46F with an average humidity of 65%. Winds will be 2 mph from the SE.

Mostly sunny. High temperature around 73F. Dew point will be around 49F with an average humidity of 56%. Winds will be 5 mph from the S.

Clear. Low temperature around 57F. Dew point will be around 49F with an average humidity of 59%. Winds will be 5 mph from the S.

Sunny. High temperature around 74F. Dew point will be around 50F with an average humidity of 55%. Winds will be 3 mph from the S.

Clear. Low temperature around 56F. Dew point will be around 46F with an average humidity of 55%. Winds will be 3 mph from the S.