Expect sub-zero temperatures and negative numbers for wind chills along with the potential for more snow. But the end of the week should warm up.

Indianapolis' extreme cold snap began overnight on Sunday, prompting the National Weather Service to issue a cold weather advisory lasting from about Monday morning through 10 a.m. Wednesday. Monday's high temperature is projected to hit about 13 degrees.

NWS Indianapolis warns of hazardous weather, including freezing fog, sub-zero temps, and precipitation in Central Indiana.

Aaron Updike, a meteorologist with the National Weather Service in Indianapolis, said so far this year, Indianapolis has gotten 15.7 inches of snow, which is unusual. He said the last time Indianapolis saw this much snow this early in the year was 2014.

An extreme cold watch has been issued from NWS for all of central Indiana for Sunday night through Monday afternoon.

Indianapolis finally hit freezing after staying below that for nearly a week. For the six days below freezing, Indy’s average temperature was only 11.5°! Our highs

If the rain falls at a steady, lighter rate, Southern California could be in good shape. That could mean enough rain to help ease the firefighting strain, but not enough to trigger another potential disaster. Heavier rain could mean the chance for flash flooding or mudslides over fresh burn scars.

Black ice is especially dangerous because you often don't know you're on it until you start slipping. Here's what to do if that happens.

Warming temperatures and abundant sunlight — ice and snow’s biggest enemies — should soon melt most of the frozen precipitation that fell on Tallahassee.

Indianapolis received 15.5 inches by storm's end. According to the National Weather Service, the Blizzard of '78 set other records, including the most snow in one month in Indianapolis (30.6 inches) and the most snow on the ground in Indianapolis (20 inches, which included 5 inches already on the ground from a snowstorm the previous weekend).

Nearly 3 million people in the South were under extreme cold warnings on Wednesday and millions more were under cold weather advisories as an outbreak of arctic air grips much of the country. The notices blanketed parts of eastern Texas, Louisiana and even Florida. Freeze warnings also covered parts of Florida and Georgia.

While it's stopped snowing, deadly winter weather conditions aren't gone. The National Weather Service is warning of icy roads persisting in Georgia.