I'd think it will make for better hunting. Cloudy/rainy days should lead to more daytime movement. With all the rain we had this spring, and probably more rain than normal this fall, there should be lots of native browse which may make hunting over a corn feeder less effective, but if you find the native vegetation they are feeding on it should make for good hunting.
Walk the night, travel light, cross the Rio Grande
Someone strums a mandolin, soft gulf breezes blow
My new life is waiting in old Mexico
-Robert Earl Keen