Late Sunday arctic air brings coldest weather of the season
A FREEZE WATCH will be in effect from 6pm Sunday through noon Tuesday for southeast Louisiana and coastal Mississippi, including New Orleans metro area.
A HARD FREEZE WATCH will be in effect from Sunday night through 9am Monday for Tangipahoa and Washington parishes, along with Pearl River County.
Sunday temperatures will climb to near 70 before the Arctic front arrives in the latter part of the day. There's a 30% rain chance Sunday afternoon and evening as the front moves through from about 3pm to 7pm. Temperatures begin to plummet after that.
Lows Monday morning will be in the upper 20s north and south of the lake, but the wind chill will be in the upper teens to low 20s. The rest of Monday will be partly cloudy and cold with highs near 40... but with the wind, it'll feel more like around 30 through the day.
Monday night will be the coldest of the season with lows in the upper teens north of the lake and middle to upper 20s south of the lake. That means many areas will get a hard freeze, so pipes need to be protected on both sides of the lake. Plants and pets should also be protected Sunday night through Tuesday night.