10-Day Weather Forecast - Collinsville, OK

Mostly sunny. Highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 114.

Partly cloudy in the evening then becoming mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.

Sunny hot with highs around 102. South winds 5 to 10 mph. Heat index values up to 113.

Mostly clear. Lows around 80. South winds 5 to 10 mph.

Sunny hot with highs 100 to 105. Heat index values up to 110.

Mostly clear. Lows in the lower 80s.

Sunny hot with highs 105 to 110. Heat index values up to 115.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 80s.

Partly sunny in the morning then clearing. Hot with highs 100 to 105. Heat index values up to 110.

Mostly clear in the evening then becoming partly cloudy. Lows around 80.

Mostly sunny. Hot with highs 100 to 105. Heat index values up to 110.

Partly cloudy. Lows around 80.

Mostly sunny. Hot with highs around 100. Heat index values up to 110.

Mostly clear. Low temperature around 78F. Dew point will be around 71F with an average humidity of 60%. Winds will be 4 mph from the E.

Sunny. High temperature around 98F. Dew point will be around 72F with an average humidity of 55%. Winds will be 4 mph from the E.

Clear. Low temperature around 76F. Dew point will be around 70F with an average humidity of 61%. Winds will be 5 mph from the E.

Sunny. High temperature around 97F. Dew point will be around 71F with an average humidity of 56%. Winds will be 4 mph from the SE.

Clear. Low temperature around 77F. Dew point will be around 70F with an average humidity of 61%. Winds will be 5 mph from the SE.