10-Day Weather Forecast - Collinsville, IL

Sunny. Not as cool with highs in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 3 below in the morning.

Mostly clear. Not as cool with lows in the mid 20s. Southwest winds 5 to 10 mph.

Sunny. Highs around 50. South winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s. Southwest winds 5 to 10 mph.

Mostly sunny. Highs in the mid 50s.

Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 40s. Temperature rising into the lower 50s after midnight. Chance of rain 20 percent.

Mostly cloudy with showers likely in the morning then mostly sunny with a chance of showers in the afternoon. Highs in the upper 50s. Temperature falling into the mid 40s in the afternoon. Chance of rain 70 percent.

Mostly clear. Much cooler with lows around 20.

Partly cloudy. Highs in the upper 30s. Lows around 30.

Partly cloudy. Highs in the upper 30s. Lows around 30.

Partly sunny. Not as cool with highs in the mid 50s.

Mostly cloudy. A slight chance of rain in the evening. Lows in the mid 30s. Chance of rain 20 percent.

Partly sunny. Cooler with highs in the mid 40s.

Partly cloudy. Low temperature around 33F. Dew point will be around 29F with an average humidity of 79%. Winds will be 5 mph from the E.

Mostly cloudy. High temperature around 43F. Dew point will be around 35F with an average humidity of 78%. Winds will be 6 mph from the SE.

Mostly cloudy. Low temperature around 43F. Dew point will be around 41F with an average humidity of 88%. Winds will be 5 mph from the S.

Cloudy. High temperature around 50F. Dew point will be around 44F with an average humidity of 84%. Winds will be 2 mph from the S.

Mostly cloudy. Low temperature around 41F. Dew point will be around 40F with an average humidity of 84%. Winds will be 2 mph from the NW.