Weather officials say to be alert between 12:00 p.m. and 4:00 p.m. and then again between 7:00 p.m. and 11:00 p.m.
Temperatures are expected to be in the 50s on Christmas day.
Copper wire thieves in the central Indiana area briefly disrupted FAA radar operations at the Indianapolis Airport.
The Indiana Department of Homeland Security has issued a travel advisory in Bartholomew, Brown and Knox counties.
A welcome break from storms will arrive tonight as high pressure builds over the area.
The National Weather Service classified the tornado that swept through the Princes Lakes area in southern Johnson County around 3:30 a.m. Sunday as an EF-0.
About half of the state received more than twice the average rainfall for June.
If you're in the warned area, TAKE COVER NOW. Move to an interior room on the lowest floor. If in a mobile home, move to the closest substantial shelter.
A flash flood watch is also in effect until Friday morning for most of south-central Indiana due to the continued threat of heavy rain.
A flash flood watch is also in effect until Thursday evening for most of central Indiana due to the continued threat of heavy rain.