10-Day Weather Forecast - Lancaster, IL

Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs around 100. West winds around 5 mph. Chance of rain 40 percent.

Mostly clear. Lows in the lower 70s. North winds around 5 mph.

Sunny. Highs in the upper 80s. Northeast winds 5 to 10 mph.

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

Sunny. Highs around 90.

Mostly clear. Lows in the mid 60s.

Mostly clear. Highs in the mid 90s.

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

Mostly clear. Hot. Highs around 100.

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

Mostly sunny with a 40 percent chance of showers. Highs around 90.

Partly cloudy in the evening, then clearing. Lows in the mid 60s.

Sunny. Highs in the upper 80s.

Clear. Low temperature around 63F. Dew point will be around 60F with an average humidity of 69%. Winds will be 2 mph from the E.

Sunny. High temperature around 87F. Dew point will be around 59F with an average humidity of 54%. Winds will be 2 mph from the S.

Clear. Low temperature around 66F. Dew point will be around 59F with an average humidity of 63%. Winds will be 3 mph from the SE.

Sunny. High temperature around 90F. Dew point will be around 61F with an average humidity of 53%. Winds will be 4 mph from the S.

Clear. Low temperature around 67F. Dew point will be around 62F with an average humidity of 65%. Winds will be 3 mph from the S.