temperatures are going to be well above 100. when you add in the humidity, it will be a very muggy day. heat indexes will approach 115 degrees here. that s fahrenheit, of course. but 100 degrees in san antonio. 109 in laredo. muggy air all the way even into dallas. even new orleans may feel 110 to 115. excessive heat warnings posted here across parts of texas. air conditioners will be rolling. this will be a very difficult weekend to be outside, and it doesn t end by the weekend. it doesn t end until thursday. look at your temperatures for houston, for san antonio. dallas a little bit cooler but still the muggies are up there without a doubt. then for houston itself, 103 on the thermometer with the mugginess there feeling like 110 to 115 outside. and that s in the shade. so keep that in mind. austin, you re not going to get below 104 until thursday afternoon. the heat is on. sometimes we can get thunderstorms in this kind of