It's probably going to be cold outside this Christmas.
High temperatures are expected to begin dropping through the weekend and could reach only the teens by Monday, according to the National Weather Service.
Rain and snow is possible Friday night and could turn to snow overnight and into Saturday morning, forecasters said.
According to a special weather statement for LaPorte County, it's likely a significant outbreak of arctic air will occur over the Midwest and Great Lakes early next week.
Wind chills could drop below zero at times.
The coldest temperatures are expected Monday to Wednesday. It's possible low temperatures could be in the single digits, especially in areas where snow is on the ground, forecasters said.
The weather service urged those traveling for the holidays to monitor weather forecasts and prepare a survival kit with blankets, food and water in case of a breakdown.
Indiana American Water recommended winterizing homes to prevent cracked or burst pipes. More information is at https://amwater.com/inaw/water-information/wise-water-use.