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.

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

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Expect temperatures to drop throughout the day Sunday. It will be freezing cold all the way through Wednesday,

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).

Light snow flurries in Indianapolis early Sunday signaled an approaching arctic air mass that could bring dangerous wind chills as low as -20 degrees across Indiana in the coming days. Bitterly cold temperatures are forecast across Indiana from 7 p.

Indianapolis extended the availability of an overnight warming center citing dangerous winter conditions. An extreme wind chill is forecasted to barrel toward Central Indiana Sunday night, with the temperature expected to reach zero degrees Fahrenheit by Monday morning.

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

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