CASPER, Wyo. — A passing low-pressure weather system will bring breezy conditions and a chance of weekend precipitation to central Wyoming before giving way to a significant warming trend early next week, according to the National Weather Service in Riverton. For Casper and the rest of Natrona County, the daytime hours on Saturday will remain mostly dry and sunny with a high near 70 degrees. Southwest winds between 15 and 17 mph could gust up to…