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13 WTHR Indianapolis | Indianapolis Local News & Weather

Live Doppler 13 Weather Blog: Bitter night of subzero temps could break record lows Wednesday morning

Indianapolis' record low tonight is -7 set in 1903, and that may be rivaled, if not broken.

INDIANAPOLIS — The deepest snowpack in three years could deliver the coldest night in central Indiana in two years. 

A fresh, deep snowpack of 7"-11" sets the stage for bitterly cold temperatures.

Credit: WTHR

Fresh snow has a high albedo, meaning it reflects nearly all incoming radiation from the sun. So despite a mainly sunny sky Tuesday, temperatures stayed in the teens. 

Visible satellite shows mainly clear conditions over central Indiana which allows the minimal heating of the day to quickly radiate into the atmosphere near/after sunset.

Credit: WTHR

The end result is a rapid drop to near/below zero tonight with lows ranging from -10 to -5 degrees, if not colder. 

Drip water if you have faucets/pipes on exterior walls and expect bitter conditions if you're out tonight or early Wednesday morning.  

Credit: WTHR

Indianapolis' record low tonight is -7, which was set in 1903 and that may be rivaled, if not broken. We're forecasting -5 which would be Indy's coldest night in two years.