The Baton Rouge area will be under an extreme cold watch late Friday night through Sunday morning, as a second blast of arctic air sweeps into the area, a National Weather Service spokesman said.
The extreme cold watch issued for this weekend was expected to be upgraded to a “warning” as meteorologists became more sure of their forecast, said Phil Grigsby, a meteorologist with the weather agency’s Slidell Office.
Lows late Friday night are expected to be in the mid- to-low 20s, with wind chills in the low teens, he said…