10-Day Weather Forecast - Waterloo, IL

Mostly sunny. Highs in the mid 80s. Southeast winds around 5 mph.

Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. East winds around 5 mph in the evening, becoming light and variable.

Mostly sunny. Highs around 90. South winds around 5 mph, becoming west in the afternoon. Heat index values up to 100 in the afternoon.

Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 60s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.

Sunny. Highs in the mid 80s. North winds around 5 mph.

Mostly clear. Lows in the mid 60s.

Mostly clear. Highs in the upper 80s.

Mostly clear. Lows in the mid 60s.

Mostly clear. Highs in the upper 80s.

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

Mostly clear. Highs in the lower 90s.

Mostly clear. Lows in the lower 70s.

Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 105 in the afternoon.

Mostly clear. Low temperature around 76F. Dew point will be around 71F with an average humidity of 68%. Winds will be 6 mph from the SW.

Partly cloudy. High temperature around 91F. Dew point will be around 72F with an average humidity of 68%. Winds will be 4 mph from the SW.

Mostly clear. Low temperature around 73F. Dew point will be around 70F with an average humidity of 71%. Winds will be 2 mph from the SW.

Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 90F. Dew point will be around 71F with an average humidity of 65%. Winds will be 2 mph from the SW.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 72F. Dew point will be around 69F with an average humidity of 74%. Winds will be 1 mph from the S.