10-Day Weather Forecast - Mason City, IL

Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 105.

Mostly clear. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.

Sunny, hot with highs in the mid 90s. Northwest winds around 5 mph. Heat index values up to 104.

Mostly clear. Humid with lows in the upper 60s. Northeast winds around 5 mph.

Mostly clear. Highs in the upper 80s.

Mostly clear. Lows in the mid 60s.

Mostly clear. Highs in the upper 80s.

Mostly clear. Lows in the mid 60s.

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

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

Partly cloudy. Hot. Highs in the mid 90s.

Partly cloudy. Hot. Lows in the lower 70s.

Mostly sunny. Highs around 90.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 71F. Dew point will be around 68F with an average humidity of 76%. Winds will be 2 mph from the SE.

Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 87F. Dew point will be around 68F with an average humidity of 67%. Winds will be 1 mph from the SE.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 67F. Dew point will be around 67F with an average humidity of 81%. Winds will be 3 mph from the SE.

Sunny. High temperature around 87F. Dew point will be around 68F with an average humidity of 70%. Winds will be 4 mph from the S.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 67F. Dew point will be around 67F with an average humidity of 78%. Winds will be 4 mph from the SE.