10-Day Weather Forecast - Collinsville, OH

Mostly sunny. Hot with highs in the mid 90s. West winds 5 to 10 mph. Heat index values up to 106 in the afternoon.

Mostly clear. A slight chance of showers and thunderstorms after midnight. Muggy and unseasonably warm. Lows in the lower 70s. West winds around 5 mph. Chance of rain 20 percent.

Partly cloudy. A chance of showers and thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Hot with highs around 90. Northwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 102 in the afternoon.

Partly cloudy. Muggy. Lows in the mid 60s. Northeast winds 5 to 10 mph.

Mostly sunny. Highs in the lower 80s.

Mostly clear. Lows around 60.

Mostly sunny. Highs in the mid 80s.

Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

Mostly sunny. Highs in the upper 80s.

Mostly clear in the evening, then becoming partly cloudy. Unseasonably warm with lows in the upper 60s.

Mostly sunny. Hot with highs in the lower 90s.

Partly cloudy. Unseasonably warm with lows in the lower 70s.

Partly cloudy with a chance of showers. Highs in the upper 80s. Chance of rain 30 percent.

Mostly clear with a 40% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 70F with an average humidity of 89%. Winds will be 3 mph from the W.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 83F. Dew point will be around 69F with an average humidity of 77%. Winds will be 3 mph from the W.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 65F. Dew point will be around 67F with an average humidity of 91%. Winds will be 1 mph from the N.

Mostly sunny. High temperature around 82F. Dew point will be around 68F with an average humidity of 78%. Winds will be 1 mph from the SW.

Clear. Low temperature around 65F. Dew point will be around 66F with an average humidity of 88%. Winds will be 1 mph from the S.