Any tips for an Alaskan mom travelling to Oklahoma with a 4 month old?

Ma

Girls,

So we are going to Oklahoma City here in a couple of days and I am wondering what kind of stuff I need to pack! Shorts for my babe cause it will be hot or long pants so she doesn't get sunburned? I got the sunscreen and the sun hat. Anything else that you will recommend ? We are going for 3 weeks!

I am super worried about this trip but we have to go!