10-Day Weather Forecast - Collinsville, IL

Mostly sunny. Highs in the upper 70s. Southeast winds around 5 mph.

Mostly cloudy. Lows in the lower 50s. Light and variable winds.

Partly sunny. Highs in the upper 70s. Light and variable winds, becoming southwest around 5 mph in the afternoon.

Mostly cloudy. Lows in the lower 50s.

Mostly cloudy. Highs in the mid 70s.

Mostly cloudy. Lows in the lower 50s.

Mostly clear. Highs in the upper 70s.

Mostly clear. Lows in the lower 50s.

Mostly clear. Highs in the upper 70s.

Partly cloudy. Lows in the lower 50s.

Partly cloudy. Highs in the mid 70s.

Cloudy. Low temperature around 57F. Dew point will be around 49F with an average humidity of 72%. Winds will be 7 mph from the SSE.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 75F. Dew point will be around 60F with an average humidity of 68%. Winds will be 8 mph from the SE.

Cloudy with a 27% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 61F with an average humidity of 91%. Winds will be 11 mph from the SSE.

Cloudy with a 25% chance for rain and thunderstorms. High temperature around 73F. Dew point will be around 66F with an average humidity of 84%. Winds will be 10 mph from the S.

Cloudy with a 25% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 65F with an average humidity of 93%. Winds will be 6 mph from the S.

Mostly cloudy with a 30% chance for rain and thunderstorms. High temperature around 73F. Dew point will be around 71F with an average humidity of 96%. Winds will be 13 mph from the S.

Partly cloudy with a 25% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 67F with an average humidity of 86%. Winds will be 12 mph from the SW.