10-Day Weather Forecast - McAllen, TX

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. East winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 20 percent. Heat index values up to 108.

Mostly clear. Lows in the upper 70s. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the evening.

Sunny. Highs in the upper 90s. East winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Heat index values up to 107.

Partly cloudy in the evening, then clearing. Lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight.

Sunny. Highs in the upper 90s. Heat index values up to 110.

Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening.

Mostly sunny. Highs in the upper 90s. Heat index values up to 110.

Partly cloudy. Lows around 80. Heat index values up to 105 early in the evening.

Mostly sunny. Highs in the upper 90s. Heat index values up to 115.

Partly cloudy. A chance of showers after midnight. Lows in the upper 70s. Chance of rain 30 percent. Heat index values up to 110 early in the evening.

Partly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 105.

Mostly cloudy with a chance of showers. Lows in the upper 70s. Chance of rain 50 percent.

Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent.

Clear with a 40% chance for rain and thunderstorms. Low temperature around 80F. Dew point will be around 73F with an average humidity of 72%. Winds will be 4 mph from the E.

Mostly sunny with a 45% chance for rain and thunderstorms. High temperature around 97F. Dew point will be around 72F with an average humidity of 57%. Winds will be 3 mph from the E.

Partly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 79F. Dew point will be around 74F with an average humidity of 72%. Winds will be 5 mph from the E.

Mostly sunny with a 45% chance for rain and thunderstorms. High temperature around 96F. Dew point will be around 74F with an average humidity of 60%. Winds will be 4 mph from the E.

Partly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 79F. Dew point will be around 73F with an average humidity of 73%. Winds will be 6 mph from the E.