10-Day Weather Forecast - Johnston City, IL

Sunny. Highs in the lower 90s. Northeast winds 5 to 10 mph.

Mostly clear. Lows in the mid 60s. Northeast winds 5 to 10 mph.

Mostly clear. Highs in the lower 90s.

Mostly clear. Lows in the mid 60s.

Mostly clear. Highs in the lower 90s.

Mostly clear. Hot. Lows in the lower 70s.

Mostly clear. Hot. Highs in the upper 90s.

Mostly clear. Hot. Lows in the lower 70s.

Mostly sunny with a chance of showers. Highs in the lower 90s. Chance of rain 40 percent.

Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s.

Mostly sunny. Highs in the upper 80s.

Partly cloudy. Low temperature around 67F. Dew point will be around 64F with an average humidity of 72%. Winds will be 4 mph from the SE.

Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 89F. Dew point will be around 63F with an average humidity of 56%. Winds will be 3 mph from the SE.

Clear. Low temperature around 69F. Dew point will be around 62F with an average humidity of 67%. Winds will be 4 mph from the SE.

Sunny. High temperature around 91F. Dew point will be around 65F with an average humidity of 55%. Winds will be 5 mph from the S.

Clear. Low temperature around 70F. Dew point will be around 64F with an average humidity of 68%. Winds will be 4 mph from the S.

Sunny. High temperature around 93F. Dew point will be around 65F with an average humidity of 53%. Winds will be 6 mph from the S.

Clear. Low temperature around 72F. Dew point will be around 65F with an average humidity of 66%. Winds will be 5 mph from the S.