I don't know why it is, but it seems like the GFS has had a problem with overmixing on hot days since the upgrade a while back... thus leading to unrealistically warm temps. At least that's what I've noticed in our region of the country. Not sure if it's true in the Plains.
Must be nice, thanks for taking all the moisture LOL and it looks like you will score more this upcoming weekend… meanwhile things here are still dry and crusty. That whopping 0.09” of rain that fell yesterday pretty much evaporated as it fell.