Temperatures tumbling into the weekend. Watching a potential Gulf coastal storm by Monday.
Highs will stay in the 60s Friday through Monday, with a stretch of cold nights ahead. Saturday morning is expected to be the coldest. Friday morning lows will fall into the lower 40s. By Saturday morning, temperatures are expected to range from 33 to 39 degrees, with the coolest readings in far northern Tangipahoa and Washington parishes and other rural areas. Lows will reach the upper 30s again Sunday morning.