10-Day Weather Forecast - Rock Island, TX

Partly sunny. A slight chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. South winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 105.

Partly cloudy in the evening then becoming mostly cloudy. Humid with lows in the upper 70s. South winds 10 to 15 mph.

Partly sunny in the morning then clearing. Humid with highs in the lower 90s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 106.

Mostly clear in the evening then becoming partly cloudy. Humid with lows in the upper 70s. South winds 5 to 10 mph with gusts up to 20 mph.

Mostly sunny. Highs in the lower 90s. Heat index values up to 105.

Mostly clear. Lows in the mid 70s.

Mostly sunny. Highs in the mid 90s.

Mostly clear. Lows in the lower 70s.

Mostly sunny. Highs in the lower 90s.

Mostly clear. Lows in the mid 70s.

Mostly sunny. Highs in the lower 90s.

Mostly clear. Lows in the mid 70s.

Mostly sunny. Highs in the mid 90s. Heat index values up to 105.

Clear. Low temperature around 77F. Dew point will be around 74F with an average humidity of 83%. Winds will be 10 mph from the S.

Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 89F. Dew point will be around 74F with an average humidity of 75%. Winds will be 11 mph from the S.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 77F. Dew point will be around 75F with an average humidity of 82%. Winds will be 11 mph from the S.

Mostly sunny with a 30% chance for rain and thunderstorms. High temperature around 90F. Dew point will be around 74F with an average humidity of 71%. Winds will be 11 mph from the S.

Clear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 75F. Dew point will be around 74F with an average humidity of 82%. Winds will be 9 mph from the SE.