Houston County Fair – Caledonia, MN – Thursday – August 15th – 7:00pm. Semi’s you will pit in by the track. Trucks & trailers instead of turning right into the pits you will take a left and park in the corn field and also on the shoulder of the road that is marked with no parking signs. (be courteous to leave room that semis can swing wide to get in the pits) There will also be semi parking 50 feet past the entrance on the right at the hog loading yard.