I am off to the twin swap meet/flea markets in Sparks and White Cloud, Kansas, this weekend.
The rain is passing through, and the temps should be perfect.
https://www.google.com/maps/place/Sparks+Flea+Market/@39.8706507,-95.2148304,14z/data=!4m5!3m4!1s0x0:0xa71b7544d92001d1!8m2!3d39.8581663!4d-95.1900253
Let us know how it goes.