Today: Mainly sunny. Highs around 96 to 100, but near 88 along the Coast and in the 100 to 105 range from Weslaco and areas west. Heat index: 102 to 110 in the afternoon. South to southeast winds 10-20 mph.
Tonight: Clear start with clouds moving in late. Lows in the upper 70's. Southeast winds 6-12 mph.
Thursday: Mainly sunny. Highs will range from the low 100's from Weslaco to areas west. Areas east of Weslaco will stay in the upper 90's and then the lower 90's along the coast. Heat index: 102 to 113 in the afternoon. East to southeast winds 7-18 mph.