Stock up on your French toast supplies because this weekend is going to be a good one for hunkering down at home.

Both Missouri and Illinois officials are warning drivers to avoid travel if possible, starting Thursday night and continuing through Sunday.

WATCH: Ice Storm Warning until Sunday

MoDOT says crews will be out before the winter storm, pre-treating roads with chemicals and salt.

Both MoDOT and Illinois State Police are warning drivers to be prepared with a full tank of gas, a charged cell phone, blankets and gloves if they do head out on the roads.

IDOT pretreated the roads Thursday, ahead of a predicted weekend ice storm.

In District 8, Operations Engineer Joseph Monroe said crew put liquid salt brine on most major roadways. By the end of the day, Monroe said salt had been delivered and the trucks were fueled.

He planned to have his team rest Thursday night, because they have a long weekend ahead.

Crews report at 7am Friday morning. Monroe said salt trucks will hit the road before freezing rain starts falling.

“If we can keep our trucks out and moving all throughout the event and keep chemical down, hopefully we’ll keep it from icing up and we’ll get people moving to and from where they absolutely have to go,” he said.

Monroe encouraged people to stay off the roads Friday, but for those who have no choice – he asked for caution and patience.

“The men and women behind the plows are going to be on for long hours and in difficult conditions,” he said.

“If you get behind a plow, give them plenty of room and just thank your stars that you're behind that plow putting that treatment down, letting them take you wherever you need to go.”

MoDOT held a press conference Thursday morning to update their plans and road conditions. You can watch the update below, or on our Facebook page here

As always, you can track the latest weather and traffic conditions from anywhere with the KSDK app for Android and IOS