The University of Louisiana at Lafayette announced the campus will remain closed through the week because of snow, ice and extreme cold. The university will continue remote instructions but in-person classes won't resume until Monday, a spokesperson said in a release.

The cold temperatures are coming from a not uncommon expansion in the Polar Vortex, which are counter-clockwise rotating air currents that typically hang over the Arctic.

According to DOTD, de-icing efforts are starting in the Lafayette and Lake Charles area. Crews will then work east as progress is made on the roads.

Landry said snow and ice will create treacherous travel conditions in regions where there are accumulations and plunging temperatures could create water pressure and delivery problems throughout the state.

What this means for P.O. Box Customers in Louisiana is this. In order to receive a shipment from UPS you will have to provide a specific shipping address. It must be a physical location as shipping to a PO Box is no longer allowed.

Here's a look at snowfall totals from Tuesday's winter storm that blanketed Houston and parts Louisiana in multiple inches of the white stuff.

Most government agencies were closed Monday for the holiday and Tuesday for the weather, but some are extending their closures.

Heavy snow, sleet and ice are making travel conditions treacherous across the region, stretching from Houston into the Florida panhandle.

Areas of Southwest Louisiana broke all-time record lows overnight Tuesday that dated back to the late 1800s. “It was quite the historic event for us,” said National Weather Service Lake Charles Storm Warning Meteorologist Doug Cramer.

Unprecedented snowfall hits the U.S. South. Discover how this winter storm is setting new records and causing rare blizzard conditions.