10-Day Weather Forecast - Collinsville, IL

Partly sunny. Highs around 60. West winds 15 to 20 mph with gusts up to 30 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s. North winds 5 to 10 mph with gusts up to 20 mph becoming northeast after midnight.

Partly sunny. Highs in the lower 60s. East winds 10 to 15 mph.

Mostly cloudy. A slight chance of rain after midnight. Not as cool with lows in the lower 50s. Chance of rain 20 percent.

A slight chance of thunderstorms. Rain breezy with highs in the upper 60s. Temperature falling to around 60 in the afternoon. Chance of rain 90 percent.

Rain likely a slight chance of thunderstorms and snow in the evening then a chance of snow after midnight. Light snow accumulation possible. Windy and much cooler with lows in the lower 20s. Chance of precipitation 60 percent.

Partly sunny in the morning then clearing. Breezy and much cooler with highs in the lower 30s.

Mostly clear. Lows around 15.

Partly sunny. Highs around 40.

Mostly cloudy. A slight chance of rain and snow after midnight. Not as cool with lows around 30. Chance of precipitation 20 percent.

Mostly cloudy in the morning then becoming partly sunny. Not as cool with highs in the upper 50s.

Partly cloudy. Low temperature around 37F. Dew point will be around 38F with an average humidity of 79%. Winds will be 3 mph from the SE.

Mostly sunny. High temperature around 62F. Dew point will be around 42F with an average humidity of 72%. Winds will be 4 mph from the S.

Partly cloudy. Low temperature around 46F. Dew point will be around 44F with an average humidity of 78%. Winds will be 5 mph from the S.

Mostly sunny. High temperature around 66F. Dew point will be around 48F with an average humidity of 69%. Winds will be 3 mph from the SW.

Mostly clear. Low temperature around 48F. Dew point will be around 47F with an average humidity of 75%. Winds will be 1 mph from the SE.

Sunny. High temperature around 69F. Dew point will be around 50F with an average humidity of 68%. Winds will be 3 mph from the S.

Clear. Low temperature around 52F. Dew point will be around 49F with an average humidity of 70%. Winds will be 5 mph from the S.